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
With the onset of September, Seeley's climate undergoes a slight change as the average high-temperature moves from a blisteringly hot 104.9°F (40.5°C) in August to a sweltering 97.7°F (36.5°C). During September, Seeley sees a mean low-temperature of 78.6°F (25.9°C).Humidity
In September, the average relative humidity is 26%.Rainfall
In Seeley, in September, during 4.5 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. In Seeley, during the entire year, the rain falls for 34.3 days and collects up to 3.27" (83mm) of precipitation.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September in Seeley, sunrise is at 6:17 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 6:28 pm PDT.
Sunshine
In September, the average sunshine is 10.2h.UV index
The average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 7 during September, leads to the following recommendations:
Fend off overexposure. Sun protection is vital. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. 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
How hot does it get in September?
What is the average humidity in September in Seeley?
How many days does it rain in September?
How many hours of daylight does Seeley have in September?
When are sunrise and sunset in September in Seeley?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Seeley, CA
- Average high temperature in September: 97.7°F
The warmest month (with the highest average high temperature) is July (105.4°F).
The month with the lowest average high temperature is December (65.8°F).
- Average low temperature in September: 78.6°F
The month with the highest average low temperature is August (84.4°F).
The coldest month (with the lowest average low temperature) is January (48.9°F).
Average pressure in September
Seeley, CA
- Average pressure in September: 29.82"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.79"Hg).
Average wind speed in September
Seeley, CA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is January (5mph).
Average humidity in September
Seeley, CA
- Average humidity in September: 26%
The months with the highest relative humidity are January and December (40%).
The month with the lowest relative humidity is June (22%).
Average rainfall in September
Seeley, CA
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is July (0.75").
The driest month (with the least rainfall) is May (0.04").
Average rainfall days in September
Seeley, CA
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is July (7.2 days).
The month with the least rainy days is May (1.1 days).
Average daylight in September /
Average sunshine in September
Seeley, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 1min
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 6min).
Average sunshine days in September
Seeley, CA
- Average sunshine days in September: 24.2 days
The month with the most sunshine days is May (29.7 days).
The month with the least sunshine days is July (19.3 days).
Average UV index in September
Seeley, CA
- Average UV index in September: 7
The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in September
Seeley, CA
- Average cloud cover in September: 7
The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 4).
Average visibility in September
Seeley, 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).
Seeley, California, USA
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