Time zones for airports and weather stations are provided by AskGeo.com . Tied Record High. Select a destination to see more weather parameters. Current conditions at Phoenix, Phoenix Sky Harbor International Airport (KPHX) Lat: 33.427799°NLon: 112.003465°WElev: 1115ft. The black line is the percentage chance that a given day is within the growing season. Does it … Within 10 miles is essentially flat (1,722 feet). The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. The average hourly wind speed in Phoenix is gradually increasing during September, increasing from 5.9 miles per hour to 6.6 miles per hour over the course of the month. The wind direction in Phoenix during September is predominantly out of the west from September 1 to September 22 and the east from September 22 to September 30. 55 F Phoenix Sky Harbor International Airport ... You are about to report this weather station for bad data. ... Meet the ABC15 Weather Team. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32Â°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). 4%. For reference, on April 29, the windiest day of the year, the daily average wind speed is 7.5 miles per hour, while on August 15, the calmest day of the year, the daily average wind speed is 5.7 miles per hour. The shortest day of the month is September 30, with 11 hours, 51 minutes of daylight and the longest day is September 1, with 12 hours, 50 minutes of daylight. 2017 2018 2019 2020. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. UV Index 3 of 10. You'll find separate tables for each region of the state: Southern Arizona, Western Arizona, Phoenix Area, Central Arizona, and Northern Arizona. The number of hours during which the Sun is visible (black line). The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. For reference, the year's highest daily chance of a wet day is 19% on August 12, and its lowest chance is 1% on June 13. Average Weather in September in Phoenix. The topography within 2 miles of Phoenix is essentially flat, with a maximum elevation change of 56 feet and an average elevation above sea level of 1,082 feet. Phoenix Weather in September. Sorry, the location you searched for was not found. For reference, on June 20, the longest day of the year, the Sun rises at 5:18 AM and sets 14 hours, 22 minutes later, at 7:41 PM, while on December 21, the shortest day of the year, it rises at 7:28 AM and sets 9 hours, 56 minutes later, at 5:24 PM. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. The lowest chance of overcast or mostly cloudy conditions is 15% on September 25. Daily low temperatures decrease by 10Â°F, from 81Â°F to 72Â°F, rarely falling below 65Â°F or exceeding 87Â°F. The hottest periods will occur in mid-June and late August. The thin dotted line is the corresponding average liquid-equivalent snowfall. 68°. Within 50 miles contains very significant variations in elevation (6,909 feet). The average hourly temperature, color coded into bands. Phoenix Daily Records for September 2019. Fri 18 | Day. September Weather September usually signals the end of the monsoon season. The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on September. Phoenix, AZ Weather History star_ratehome. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The shaded overlays indicate night and civil twilight. What is the average humidity in September in Phoenix? Arizona, United States. For each station, the records are corrected for the elevation difference between that station and Phoenix according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. C° F° ... 2020-2021 Long Range Weather Forecast for Phoenix, AZ ... with near-normal rainfall. There are normally 11 hours of bright sunshine each day in Phoenix in September - that's 88% of daylight hours. Even at night temperatures don’t drop below 75°F (24°C). The clearest day of the month is September 25, with clear, mostly clear, or partly cloudy conditions 85% of the time. Daytime maximum temperatures average around a warm 36°C (97°F), whilst at night 20°C (68°F) is normal. Typical temperatures at cities, towns, national parks and monuments in Arizona during the month of September are listed below. Calendar overview of Months Weather Forecast. The climate in Scottsdale during September can be summarized as very hot and dry. The average accumulated growing degree days in Phoenix are very rapidly increasing during September, increasing by 954Â°F, from 5,792Â°F to 6,746Â°F, over the course of the month. Except for a few afternoon clouds, mainly sunny. Yuma Daily Records for September 2019. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. The best months for good weather in Phoenix (Arizona) are January, February, March, April, May, June, September, October, November and December On average, the warmest months are June, July, August and September The muggier period of the year lasts for 2.8 months, from June 29 to September 23, during which time the comfort level is muggy, oppressive, or miserable at least 6% of the time. In this report, we use a base of 50Â°F and a cap of 86Â°F. 90.7 °F in 2015 The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. For the purposes of this report, the geographical coordinates of Phoenix are 33.448 deg latitude, -112.074 deg longitude, and 1,083 ft elevation. Daytime maximum temperatures average around a warm 37°C (98°F), whilst at night 22°C (71°F) is normal. The hottest day in September 1988 was 10 September when the temperature reached 108.0°F. Winds light and variable. Get the Most Accurate Forecast for Phoenix, Arizona and across the Valley from ABC15 Arizona. This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The figure below presents a compact representation of key lunar data for September 2020. Ouargla, Algeria (6,361 miles away) is the far-away foreign place with temperatures most similar to Phoenix (view comparison). NWS Keep your expectations low. Set Record High Low. All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. Based on weather reports collected during 1985–2015. The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The stations contributing to this reconstruction are: Phoenix Sky Harbor International Airport (74%, 7 kilometers, east); Phoenix-Deer Valley Airport (9%, 27 kilometers, north); Phoenix Goodyear Airport (9%, 29 kilometers, west); and Luke Air Force Base (8%, 29 kilometers, northwest). The detour through the park plus the time it takes to get back to Holbrook will add 3 hours plus any time you take for extended walks.. Book Holiday Inn or Best Western at Chinle. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The average daily incident shortwave solar energy in Phoenix is gradually decreasing during September, falling by 0.8 kWh, from 6.5 kWh to 5.7 kWh, over the course of the month. For reference, on July 4, the hottest day of the year, temperatures in Phoenix typically range from 84Â°F to 107Â°F, while on December 27, the coldest day of the year, they range from 45Â°F to 65Â°F. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. Average High Average Low Record High Record Low Average Precipitation. Daily high temperatures decrease by 7Â°F, from 102Â°F to 95Â°F, rarely falling below 87Â°F or exceeding 108Â°F. The average high-temperature, in September, in Phoenix, Arizona, is 99.9°F (37.7°C), while the average low-temperature is 76.8°F (24.9°C). The National Weather Service said Phoenix tied the daily high temperature for Sept. 4. 88 °F on Sep 5. Weather data is prone to errors, outages, and other defects. National Oceanic and Atmospheric Administration Questions? All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. The climate in Phoenix during September can be summarized as very hot and dry. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The days at Phoenix begin to cool down quickly during September. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. Humidity 29%. All NOAA, Warmest Over the course of September in Phoenix, the length of the day is decreasing. This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon. 82 °F on Sep 19 Tied Record High Low. S 4 mph. September is in the fall / autumn in Scottsdale and is typically the 4th warmest month of the year. If you’re tired of Phoenix’s summer heat, you’ll be encouraged by the weather stats for Wednesday, Sept. 18. The average monthly temperature is […] September and October will be cooler than normal, with near- to slightly above-normal precipitation. Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.. Below are average maximum temperatures at popular destinations in Arizona in September. The shaded overlays indicate night and civil twilight. Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. 90 °F on Sep 7. The month of September in Phoenix experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 20% to 16%. Daytime temperatures usually reach 37°C in Phoenix in September with very high heat and humidity, falling to 21°C at night. Iris Hermosillo. The average growing degree days accumulated over the course of September, with 25th to 75th and 10th to 90th percentile bands. Precipitation for September 1988. Temperatures still reach a hot 100°F (38°C) and the sun shines for an average of 11 hours each day. Coolest 79.2 °F in 1941, Warmest Please select one of the following: Phoenix NWS Watch, Warning, Advisory Product Criteria. Please Contact Us. This report illustrates the typical weather in Phoenix, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. Please try another search. Arizona weather in September 2021. Weather reports from September 2017 in Phoenix, Arizona, USA with highs and lows We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. From the start to the end of the month, the length of the day decreases by 59 minutes, implying an average daily decrease of 2 minutes, 2 seconds, and weekly decrease of 14 minutes, 16 seconds. Daylight saving time is not observed in Phoenix during 2020. Coolest Twelve days in the month can usually be classified as monsoon days. There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Phoenix. 78.1 °F in 1983 Averages are for Phoenix Sky Harbor International Airport, which is 4 miles from Phoenix. Weather ☀ ⛅ Phoenix ☀ ⛅ September ☀ ⛅ Information on temperature, sunshine hours, water temperature & rainfall in September for Phoenix. NWS Phoenix2727 E Washington StNWS PAB 1TAPhoenix, AZ 85034(602) 275-0073Comments? Shortwave radiation includes visible light and ultraviolet radiation. 113 °F on Sep 6 Set Record High. The average maximum temperature lies around 38.0°C (100.4°F). Amber Sullins. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. In most years, Phoenix averages a daily maximum temperature for September that's between 98 and 102 degrees Fahrenheit (37 to 39 degrees Celsius). We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. US Dept of Commerce The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The Old Farmer's Almanac Long Range Weather Forecast for the Desert Southwest Region. Daily low temperatures decrease by 10°F, from 81°F to 72°F, rarely falling below 65°F or exceeding 87°F. Answer 1 of 5: We would like to plan trip for next Sept. or Oct can you give us the high & lows? Coolest Phoenix Weather for September 2020. Daily high temperatures decrease by 7°F, from 102°F to 95°F, rarely falling below 87°F or exceeding 108°F. In September 1988 the average high temperature in Phoenix, AZ was 100.6°F, and this was 0.5°F cooler than the average of 101.1°F. The latest sunset is 6:52 PM on September 1 and the earliest sunset is 40 minutes earlier at 6:13 PM on September 30. 89 °F on Sep 6 Tied Record High Low. How much does it rain in Phoenix in September? You'll have to wait until November for summer to give up its hold on the city, as September temperatures have reached as high as 116 degrees Fahrenheit (47 degrees Celsius) in … We assume no responsibility for any decisions made on the basis of the content presented on this site. Free Long Range Weather Forecast for Phoenix, Arizona. The area within 2 miles of Phoenix is covered by artificial surfaces (52%) and shrubs (48%), within 10 miles by artificial surfaces (51%) and shrubs (44%), and within 50 miles by shrubs (85%). Phoenix experiences some seasonal variation in the perceived humidity. National Oceanic and Atmospheric Administration. The situation is deteriorating compared to the previous month since in july there is an average of 1.1in of precipitation over 5 days. September is a dry month with an average of 16mm (0.6in) rain. Phoenix Daily Records for September 2020 114 °F on Sep 4 Set Record High. 84 °F on Sep 22 Set Record High Low The chance that a given day will be muggy in Phoenix is rapidly decreasing during September, falling from 18% to 3% over the course of the month. Temperature for September 1988. 112 °F on Sep 4. In Phoenix, the chance of a wet day over the course of September is rapidly decreasing, starting the month at 15% and ending it at 7%. Temperatures in Phoenix are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. 106.4 °F in 1956 The muggiest day of the year is August 13, with muggy conditions 24% of the time. To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day. MERRA-2 Modern-Era Retrospective Analysis. 109 °F on Sep 17 Tied Record High. High 68F. 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