Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Palm Desert's September weather features a light decline in high-temperatures, reducing from 93.9°F (34.4°C) in August to a still hot 87.1°F (30.6°C). Palm Desert experiences an average low-temperature of 68.2°F (20.1°C) in month of September.Humidity
In Palm Desert, the average relative humidity in September is 32%.Rainfall
In Palm Desert, California, in September, it is raining for 6 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, in Palm Desert, there are 51.6 rainfall days, and 6.06" (154mm) of precipitation is accumulated.Daylight
In Palm Desert, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:19 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:30 pm PDT.
Sunshine
The average sunshine in September in Palm Desert is 10.5h.UV index
The average daily maximum UV index in September in Palm Desert is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 during September leads to these advisories:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Palm Desert in September?
What is the average humidity in September in Palm Desert?
How much does it rain in Palm Desert in September?
What is the average length of the day in September in Palm Desert?
When are sunrise and sunset in September in Palm Desert?
How long on average sun shines in September in Palm Desert?
What is the UV index intensity in September in Palm Desert?
Average temperature in September
Palm Desert, CA
- Average high temperature in September: 87.1°F
The warmest month (with the highest average high temperature) is July (94.5°F).
The month with the lowest average high temperature is December (58.1°F).
- Average low temperature in September: 68.2°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is December (43.5°F).
Average pressure in September
Palm Desert, CA
- Average pressure in September: 29.84"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
Palm Desert, CA
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is May (8.6mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).
Average humidity in September
Palm Desert, CA
- Average humidity in September: 32%
The month with the highest relative humidity is December (47%).
The months with the lowest relative humidity are June, July and August (29%).
Average rainfall in September
Palm Desert, CA
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is May (0.12").
Average rainfall days in September
Palm Desert, CA
- Average rainfall days in September: 6 days
The month with the highest number of rainy days is July (8.8 days).
The month with the least rainy days is June (1.8 days).
Average daylight in September /
Average sunshine in September
Palm Desert, CA
- Average daylight in September: 12h and 2min
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 3min
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 0min).
Average sunshine days in September
Palm Desert, CA
- Average sunshine days in September: 22.3 days
The month with the most sunshine days is October (27.5 days).
The month with the least sunshine days is July (18.3 days).
Average UV index in September
Palm Desert, CA
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Palm Desert, CA
- Average cloud cover in September: 6
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
Palm Desert, 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).
Palm Desert, California, USA
Weather forecast for your location
2. Allow the app to use your location