September weather forecastCrescent Mills, CA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Crescent Mills, California, with an average temperature fluctuating between 43.9°F (6.6°C) and 75°F (23.9°C).Temperature
Crescent Mills experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a warm 82.9°F (28.3°C) in August to a still moderately hot 75°F (23.9°C). A notable decrease from the day's highest temperature marks September, culminating in an average low of 43.9°F (6.6°C).Humidity
In September, the average relative humidity is 47%.Rainfall
In September, the rain falls for 4.1 days. Throughout September, 0.39" (10mm) of precipitation is accumulated. In Crescent Mills, during the entire year, the rain falls for 91.7 days and collects up to 23.19" (589mm) of precipitation.Snowfall
In Crescent Mills, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:32 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:46 pm PDT.
Sunshine
In Crescent Mills, the average sunshine in September is 11.2h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Take precautions - Protection against sun damage is advised. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Crescent Mills, CA
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (39.2°F).
- Average low temperature in September: 43.9°F
The month with the highest average low temperature is July (49.1°F).
The coldest month (with the lowest average low temperature) is December (23.4°F).
Average pressure in September
Crescent Mills, CA
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Crescent Mills, CA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is March (6.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Crescent Mills, CA
- Average humidity in September: 47%
The months with the highest relative humidity are January and March (81%).
The month with the lowest relative humidity is July (41%).
Average rainfall in September
Crescent Mills, CA
- Average rainfall in September: 0.39"
The wettest months (with the highest rainfall) are February and December (4.06").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in September
Crescent Mills, CA
- Average rainfall days in September: 4.1 days
The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is August (1.8 days).
Average snowfall in September
Crescent Mills, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (13.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Crescent Mills, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Crescent Mills, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 11h and 12min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Crescent Mills, CA
- Average sunshine days in September: 25.6 days
The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (12.3 days).
Average UV index in September
Crescent Mills, CA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Crescent Mills, CA
- Average cloud cover in September: 11
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in September
Crescent Mills, CA
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
