Average Weather in September in Desert Hills Arizona, United States
Daily high temperatures decrease by 9°F, from 106°F to 97°F, rarely falling below 87°F or exceeding 111°F.
Daily low temperatures decrease by 11°F, from 82°F to 71°F, rarely falling below 63°F or exceeding 88°F.
For reference, on July 11, the hottest day of the year, temperatures in Desert Hills typically range from 86°F to 110°F, while on December 26, the coldest day of the year, they range from 45°F to 65°F.
Average High and Low Temperature in September
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on September. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in September
The month of September in Desert Hills experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 14% throughout the month. The lowest chance of overcast or mostly cloudy conditions is 12% on September 17.
The clearest day of the month is September 17, with clear, mostly clear, or partly cloudy conditions 88% of the time.
For reference, on February 20, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 38%, while on September 17, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 88%.
Cloud Cover Categories in September
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Desert Hills, the chance of a wet day over the course of September is decreasing, starting the month at 10% and ending it at 5%.
For reference, the year's highest daily chance of a wet day is 13% on August 21, and its lowest chance is 1% on June 13.
Probability of Precipitation in September
The average sliding 31-day rainfall during September in Desert Hills is essentially constant, remaining about 0.5 inches throughout, and rarely exceeding 1.5 inches.
Average Monthly Rainfall in September
Over the course of September in Desert Hills, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 2 minutes, implying an average daily decrease of 2 minutes, 7 seconds, and weekly decrease of 14 minutes, 52 seconds.
The shortest day of the month is September 30, with 11 hours, 50 minutes of daylight and the longest day is September 1, with 12 hours, 52 minutes of daylight.
Hours of Daylight and Twilight in September
The earliest sunrise of the month in Desert Hills is 6:11 AM on September 1 and the latest sunrise is 21 minutes later at 6:31 AM on September 30.
The latest sunset is 7:02 PM on September 1 and the earliest sunset is 41 minutes earlier at 6:22 PM on September 30.
Daylight saving time is not observed in Desert Hills during 2020.
For reference, on June 20, the longest day of the year, the Sun rises at 5:25 AM and sets 14 hours, 28 minutes later, at 7:53 PM, while on December 21, the shortest day of the year, it rises at 7:40 AM and sets 9 hours, 50 minutes later, at 5:31 PM.
Sunrise & Sunset with Twilight in September
The chance that a given day will be muggy in Desert Hills is rapidly decreasing during September, falling from 13% to 2% over the course of the month.
For reference, on August 24, the muggiest day of the year, there are muggy conditions 16% of the time, while on November 2, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in September
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Desert Hills is essentially constant during September, remaining within 0.2 miles per hour of 7.2 miles per hour throughout.
For reference, on April 22, the windiest day of the year, the daily average wind speed is 8.5 miles per hour, while on September 8, the calmest day of the year, the daily average wind speed is 7.0 miles per hour.
The lowest daily average wind speed during September is 7.0 miles per hour on September 8.
Average Wind Speed in September
The hourly average wind direction in Desert Hills throughout September is predominantly from the south, with a peak proportion of 53% on September 1.
Wind Direction in September
Temperatures in Desert Hills are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.
Time Spent in Various Temperature Bands and the Growing Season in September
The average accumulated growing degree days in Desert Hills are very rapidly increasing during September, increasing by 958°F, from 5,915°F to 6,872°F, over the course of the month.
Growing Degree Days in September
The average daily incident shortwave solar energy in Desert Hills is gradually decreasing during September, falling by 0.9 kWh, from 6.7 kWh to 5.7 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in September
For the purposes of this report, the geographical coordinates of Desert Hills are 34.554 deg latitude, -114.372 deg longitude, and 600 ft elevation.
The topography within 2 miles of Desert Hills contains significant variations in elevation, with a maximum elevation change of 587 feet and an average elevation above sea level of 605 feet. Within 10 miles contains significant variations in elevation (4,170 feet). Within 50 miles also contains extreme variations in elevation (8,045 feet).
The area within 2 miles of Desert Hills is covered by shrubs (94%), within 10 miles by shrubs (92%), and within 50 miles by shrubs (92%).
This report illustrates the typical weather in Desert Hills year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Desert Hills.
For each station, the records are corrected for the elevation difference between that station and Desert Hills according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Desert Hills is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Desert Hills and a given station.
The stations contributing to this reconstruction are: Needles Airport (76%, 33 kilometers, northwest); Kingman Airport (11%, 88 kilometers, northeast); and Blythe Airport (13%, 109 kilometers, south).
Time zones for aiports and weather stations are provided by AskGeo.com .