Average Weather in September in Desert Edge California, United States
Daily high temperatures decrease by 8°F, from 102°F to 93°F, rarely falling below 84°F or exceeding 108°F.
Daily low temperatures decrease by 8°F, from 76°F to 68°F, rarely falling below 60°F or exceeding 83°F.
For reference, on July 13, the hottest day of the year, temperatures in Desert Edge typically range from 78°F to 105°F, while on December 26, the coldest day of the year, they range from 43°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
Djamaa, Algeria (6,474 miles away); Tabuk, Saudi Arabia (7,791 miles); and Ha'il, Saudi Arabia (7,965 miles) are the far-away foreign places with temperatures most similar to Desert Edge (view comparison).
The month of September in Desert Edge experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 12% throughout the month. The lowest chance of overcast or mostly cloudy conditions is 11% on September 18.
The clearest day of the month is September 18, with clear, mostly clear, or partly cloudy conditions 89% of the time.
For reference, on February 20, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 41%, while on September 18, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 89%.
Cloud Cover Categories in September
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Desert Edge, the chance of a wet day over the course of September is gradually decreasing, starting the month at 5% and ending it at 3%.
For reference, the year's highest daily chance of a wet day is 14% on February 21, and its lowest chance is 1% on June 14.
Probability of Precipitation in September
The average sliding 31-day rainfall during September in Desert Edge is essentially constant, remaining about 0.3 inches throughout, and rarely exceeding 0.7 inches.
The lowest average 31-day accumulation is 0.2 inches on September 30.
Average Monthly Rainfall in September
Over the course of September in Desert Edge, 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, 0 minutes, implying an average daily decrease of 2 minutes, 4 seconds, and weekly decrease of 14 minutes, 31 seconds.
The shortest day of the month is September 30, with 11 hours, 52 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 Edge is 6:19 AM on September 1 and the latest sunrise is 20 minutes later at 6:39 AM on September 30.
The latest sunset is 7:11 PM on September 1 and the earliest sunset is 40 minutes earlier at 6:31 PM on September 30.
Daylight saving time is observed in Desert Edge during 2018, but it neither starts nor ends during September, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:35 AM and sets 14 hours, 25 minutes later, at 8:00 PM, while on December 21, the shortest day of the year, it rises at 6:47 AM and sets 9 hours, 54 minutes later, at 4:40 PM.
Sunrise & Sunset with Twilight in September
The chance that a given day will be muggy in Desert Edge is decreasing during September, falling from 8% to 1% over the course of the month.
For reference, on August 15, the muggiest day of the year, there are muggy conditions 10% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in September
The average hourly wind speed in Desert Edge is essentially constant during September, remaining within 0.2 miles per hour of 6.2 miles per hour throughout.
For reference, on April 26, the windiest day of the year, the daily average wind speed is 8.4 miles per hour, while on August 24, the calmest day of the year, the daily average wind speed is 6.0 miles per hour.
Average Wind Speed in September
Wind Direction in September
Desert Edge is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average surface water temperature in Desert Edge is essentially constant during September, remaining within 1°F of 69°F throughout.
Average Water Temperature in September
While it does not do so every year, freezing temperatures are seen in Desert Edge over some winters. The day least likely to be in the growing season is January 2, with a 77% chance.
Time Spent in Various Temperature Bands and the Growing Season in September
The average accumulated growing degree days in Desert Edge are very rapidly increasing during September, increasing by 904°F, from 5,368°F to 6,271°F, over the course of the month.
Growing Degree Days in September
The average daily incident shortwave solar energy in Desert Edge is gradually decreasing during September, falling by 1.0 kWh, from 6.9 kWh to 6.0 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 Edge are 33.924 deg latitude, -116.441 deg longitude, and 1,129 ft elevation.
The topography within 2 miles of Desert Edge contains very significant variations in elevation, with a maximum elevation change of 1,325 feet and an average elevation above sea level of 1,110 feet. Within 10 miles contains very significant variations in elevation (5,299 feet). Within 50 miles also contains extreme variations in elevation (11,719 feet).
The area within 2 miles of Desert Edge is covered by shrubs (100%), within 10 miles by shrubs (89%), and within 50 miles by shrubs (78%).
This report illustrates the typical weather in Desert Edge 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Desert Edge.
For each station, the records are corrected for the elevation difference between that station and Desert Edge 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 Edge is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Desert Edge and a given station.
The stations contributing to this reconstruction are: Palm Springs International Airport (77%, 13 kilometers, southwest) and Twenty-Nine Palms, Marine Corps Air-Ground Combat Center (23%, 49 kilometers, northeast).
Time zones for aiports and weather stations are provided by AskGeo.com .