September weather forecastOne Hundred Palms, CA
September
Weather in September
The first month of the autumn, September, is still a hot month in One Hundred Palms, California, with an average temperature varying between 72°F (22.2°C) and 88.7°F (31.5°C).Temperature
During the shift to September, a minor reduction in average high-temperature is observed, shifting from 94.6°F (34.8°C) in August to a still hot 88.7°F (31.5°C). One Hundred Palms experiences an average temperature drop to a pleasant 72°F (22.2°C) during September nights.Humidity
In One Hundred Palms, the average relative humidity in September is 33%.Rainfall
In One Hundred Palms, in September, it is raining for 5 days, with typically 0.31" (8mm) of accumulated precipitation. Throughout the year, there are 46.2 rainfall days, and 4.09" (104mm) of precipitation is accumulated.Daylight
In September, the average length of the day in One Hundred Palms is 12h and 22min.On the first day of September in One Hundred Palms, sunrise is at 6:19 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:29 pm PDT.
Sunshine
In September, the average sunshine is 10.4h.UV index
The average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 7 during September leads to these instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
One Hundred Palms, CA
- Average high temperature in September: 88.7°F
The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is December (60.6°F).
- Average low temperature in September: 72°F
The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).
Average pressure in September
One Hundred Palms, CA
- Average pressure in September: 29.83"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).
Average wind speed in September
One Hundred Palms, CA
- Average wind speed in September: 6.4mph
The windiest month (with the highest average wind speed) is May (8.2mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).
Average humidity in September
One Hundred Palms, CA
- Average humidity in September: 33%
The month with the highest relative humidity is December (46%).
The month with the lowest relative humidity is June (29%).
Average rainfall in September
One Hundred Palms, CA
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is July (0.79").
The driest months (with the least rainfall) are May and June (0.12").
Average rainfall days in September
One Hundred Palms, CA
- Average rainfall days in September: 5 days
The month with the highest number of rainy days is July (6.9 days).
The month with the least rainy days is June (1.5 days).
Average daylight in September /
Average sunshine in September
One Hundred Palms, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 24min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in September
One Hundred Palms, CA
- Average sunshine days in September: 23.1 days
The month with the most sunshine days is October (27.4 days).
The month with the least sunshine days is July (19.4 days).
Average UV index in September
One Hundred Palms, CA
- Average UV index in September: 7
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
One Hundred Palms, CA
- Average cloud cover in September: 6
The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 4).
Average visibility in September
One Hundred Palms, 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).





