September weather forecastWendel, CA
September
Weather in September
The first month of the autumn, September, is still a warm month in Wendel, California, with an average temperature fluctuating between 46.4°F (8°C) and 74.3°F (23.5°C).Temperature
September brings a minor decrease, with the average high-temperature reducing from a warm 83.5°F (28.6°C) in August to a still moderately hot 74.3°F (23.5°C). September nights see a notable contrast from daytime highs, with the nighttime temperature averaging at a frosty 46.4°F (8°C).Humidity
The average relative humidity in September is 40%.Rainfall
In Wendel, in September, during 4.5 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. Throughout the year, in Wendel, there are 97.2 rainfall days, and 13.98" (355mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Wendel. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. In Wendel, California, during the entire year, snow falls for 52.5 days and aggregates up to 43.07" (1094mm) of snow.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 6:29 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:44 pm PDT.
Sunshine
In Wendel, the average sunshine in September is 11.3h.UV index
In Wendel, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Boost your sun resistance with garments that are densely woven yet spacious. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wendel, CA
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is December (36.9°F).
- Average low temperature in September: 46.4°F
The month with the highest average low temperature is July (52.7°F).
The coldest month (with the lowest average low temperature) is December (22.6°F).
Average pressure in September
Wendel, CA
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Wendel, CA
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).
Average humidity in September
Wendel, CA
- Average humidity in September: 40%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (35%).
Average rainfall in September
Wendel, CA
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is December (2.28").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in September
Wendel, CA
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is March (13.4 days).
The months with the least rainy days are July and August (2.8 days).
Average snowfall in September
Wendel, CA
- Average snowfall in September: 0.08"
The month with the highest snowfall is December (10.16").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Wendel, CA
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (11.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Wendel, 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 18min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in September
Wendel, CA
- Average sunshine days in September: 24.7 days
The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is March (12 days).
Average UV index in September
Wendel, CA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February and November (UV index 1).
Average cloud cover in September
Wendel, CA
- Average cloud cover in September: 10
The month with the most cloud cover is December (Cloud cover 38).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in September
Wendel, CA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).





