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 snowfall in September
- Average snowfall 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
The start of September signals a gentle decrease in the average high-temperature, transitioning from a moderately hot 75.6°F (24.2°C) in August to an agreeable 69.1°F (20.6°C). September nights present a stark temperature decrease to a frosty 46°F (7.8°C).Humidity
In Benton, the average relative humidity in September is 33%.Rainfall
In Benton, in September, during 2.8 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. In Benton, during the entire year, the rain falls for 51.4 days and collects up to 9.21" (234mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows in Benton. Throughout September, in the average 0.4 snowfall days, it receives 0.08" (2mm) of snow. In Benton, during the entire year, snow falls for 47.4 days and aggregates up to 42.72" (1085mm) of snow.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:22 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:37 pm PDT.
Sunshine
In September, the average sunshine is 11.1h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Caution! The reflection of snow 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
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September?
When does it start to snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Benton have in September?
What is the UV index intensity in September?
Average temperature in September
Benton, CA
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is December (37.6°F).
- Average low temperature in September: 46°F
The month with the highest average low temperature is July (54.1°F).
The coldest month (with the lowest average low temperature) is December (19.8°F).
Average pressure in September
Benton, CA
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Benton, CA
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are March and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Benton, CA
- Average humidity in September: 33%
The months with the highest relative humidity are January, February and December (64%).
The month with the lowest relative humidity is August (29%).
Average rainfall in September
Benton, CA
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is February (1.5").
The driest month (with the least rainfall) is August (0.24").
Average rainfall days in September
Benton, CA
- Average rainfall days in September: 2.8 days
The month with the highest number of rainy days is May (6.8 days).
The month with the least rainy days is September (2.8 days).
Average snowfall in September
Benton, CA
- Average snowfall in September: 0.08"
The month with the highest snowfall is February (8.78").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Benton, CA
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is December (8.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Benton, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 11h and 1min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Benton, CA
- Average sunshine days in September: 24.8 days
The month with the most sunshine days is October (26 days).
The month with the least sunshine days is April (18.4 days).
Average UV index in September
Benton, CA
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Benton, CA
- Average cloud cover in September: 6
The months with the most cloud cover are March and December (Cloud cover 22).
The months with the least cloud cover are August and September (Cloud cover 6).
Average visibility in September
Benton, 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).
Benton, California, USA
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