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 sweltering 97.3°F (36.3°C) in August to a hot 91.4°F (33°C). A striking difference from the daytime highs is registered during September nights in Denair, with an average temperature of 61°F (16.1°C).Humidity
In Denair, the average relative humidity in September is 39%.Rainfall
In Denair, in September, it is raining for 1.8 days, with typically 0.08" (2mm) of accumulated precipitation. In Denair, during the entire year, the rain falls for 65.2 days and collects up to 11.61" (295mm) of precipitation.Daylight
In Denair, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:31 pm. On the last day of September, in Denair, sunrise is at 6:58 am and sunset at 6:47 pm PDT.
Sunshine
In Denair, the average sunshine in September is 11.5h.UV index
The average daily maximum UV index in September in Denair is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Denair in September?
What is the average humidity in September in Denair?
How many days does it rain in September in Denair?
What is the average length of the day in September in Denair?
When are sunrise and sunset in September in Denair?
How long on average sun shines in September in Denair?
What is the UV index intensity in September in Denair?
Average temperature in September
Denair, CA
- Average high temperature in September: 91.4°F
The warmest month (with the highest average high temperature) is July (98.1°F).
The month with the lowest average high temperature is December (56.1°F).
- Average low temperature in September: 61°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).
Average pressure in September
Denair, CA
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Denair, CA
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is June (7.5mph).
The calmest month (with the lowest average wind speed) is November (5.2mph).
Average humidity in September
Denair, CA
- Average humidity in September: 39%
The month with the highest relative humidity is January (71%).
The month with the lowest relative humidity is July (35%).
Average rainfall in September
Denair, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is March (2.24").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in September
Denair, CA
- Average rainfall days in September: 1.8 days
The month with the highest number of rainy days is March (12.1 days).
The months with the least rainy days are June and August (1.1 days).
Average daylight in September /
Average sunshine in September
Denair, 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 3min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Denair, CA
- Average sunshine days in September: 27.6 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is March (17.8 days).
Average UV index in September
Denair, CA
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Denair, CA
- Average cloud cover in September: 6
The months with the most cloud cover are March and December (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in September
Denair, 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).
Denair, California, USA
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