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
A mild shift in the average high-temperature occurs in September, reducing from a hot 93.7°F (34.3°C) in August to a still tropical 86.9°F (30.5°C). Thousand Palms experiences a steady low-temperature of 67.6°F (19.8°C) throughout September.Humidity
In Thousand Palms, the average relative humidity in September is 32%.Rainfall
In Thousand Palms, in September, during 6.1 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In Thousand Palms, during the entire year, the rain falls for 54 days and collects up to 6.57" (167mm) of precipitation.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:10 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:30 pm PDT.
Sunshine
In September, the average sunshine is 10.5h.UV index
In Thousand Palms, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
How many days does it rain in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Thousand Palms have in September?
What is the UV index intensity in September?
Average temperature in September
Thousand Palms, CA
- Average high temperature in September: 86.9°F
The warmest months (with the highest average high temperature) are July and August (93.7°F).
The month with the lowest average high temperature is December (58.1°F).
- Average low temperature in September: 67.6°F
The month with the highest average low temperature is August (72.9°F).
The coldest month (with the lowest average low temperature) is December (42.8°F).
Average pressure in September
Thousand Palms, 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 (29.81"Hg).
Average wind speed in September
Thousand Palms, CA
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is May (8.8mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).
Average humidity in September
Thousand Palms, 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
Thousand Palms, CA
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is July (1.14").
The driest months (with the least rainfall) are May and June (0.12").
Average rainfall days in September
Thousand Palms, CA
- Average rainfall days in September: 6.1 days
The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is June (1.5 days).
Average daylight in September /
Average sunshine in September
Thousand Palms, 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: 9h and 54min).
- 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
Thousand Palms, CA
- Average sunshine days in September: 22.5 days
The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (19.1 days).
Average UV index in September
Thousand Palms, 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
Thousand Palms, 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
Thousand 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).
Thousand Palms, California, USA
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