September weather forecastDesert Center, CA
September
Weather in September
The first month of the autumn, September, is still a very hot month in Desert Center, California, with an average temperature fluctuating between 97.7°F (36.5°C) and 79.9°F (26.6°C).Temperature
The transition into September subtly indicates a reduction in the average high-temperature, down to a sweltering 97.7°F (36.5°C) from August's scorching 104.2°F (40.1°C). In the month of September, Desert Center witnesses a consistent average low-temperature of 79.9°F (26.6°C).Humidity
In Desert Center, the average relative humidity in September is 25%.Rainfall
In Desert Center, during September, the rain falls for 4.1 days and regularly aggregates up to 0.31" (8mm) of precipitation. In Desert Center, during the entire year, the rain falls for 34.2 days and collects up to 2.99" (76mm) of precipitation.Daylight
The average length of the day in September in Desert Center is 12h and 22min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:06 pm. On the last day of September, sunrise is at 6:35 am and sunset at 6:26 pm PDT.
Sunshine
In Desert Center, the average sunshine in September is 10.1h.UV index
In Desert Center, California, the average daily maximum UV index in September is 8. A UV Index estimate of 8 to 10 represents a very high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 8 in September translates into the following recommendations:
Protection should always be a priority. Skin and eyes are vulnerable without it. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Desert Center, CA
- Average high temperature in September: 97.7°F
The warmest month (with the highest average high temperature) is July (105.1°F).
The month with the lowest average high temperature is December (62.8°F).
- Average low temperature in September: 79.9°F
The month with the highest average low temperature is August (86.2°F).
The coldest month (with the lowest average low temperature) is December (48.2°F).
Average pressure in September
Desert Center, CA
- Average pressure in September: 29.79"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).
Average wind speed in September
Desert Center, CA
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is November (6.4mph).
Average humidity in September
Desert Center, CA
- Average humidity in September: 25%
The months with the highest relative humidity are January and December (38%).
The month with the lowest relative humidity is June (18%).
Average rainfall in September
Desert Center, CA
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is July (0.55").
The driest months (with the least rainfall) are May and June (0.04").
Average rainfall days in September
Desert Center, CA
- Average rainfall days in September: 4.1 days
The month with the highest number of rainy days is July (7.3 days).
The month with the least rainy days is May (1.2 days).
Average daylight in September /
Average sunshine in September
Desert Center, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 6min
The months with the most sunshine are June and August (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 7h and 12min).
Average sunshine days in September
Desert Center, CA
- Average sunshine days in September: 22.5 days
The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (19.1 days).
Average UV index in September
Desert Center, CA
- Average UV index in September: 8
The months with the highest UV index are July and August (UV index 9).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Desert Center, CA
- Average cloud cover in September: 8
The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
Desert Center, CA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





