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 advent of September brings a slight shift in average high-temperature, moving from a hot 88.3°F (31.3°C) in August to a warm 82.4°F (28°C). With a notable difference from peak temperatures, an average of 55.4°F (13°C) marks the nights in September.Humidity
In September, the average relative humidity is 39%.Rainfall
In Stirling City, California, in September, it is raining for 3.7 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 88.8 rainfall days, and 27.6" (701mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:34 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:49 pm PDT.
Sunshine
In Stirling City, the average sunshine in September is 11.1h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Stirling City during September?
What is the average humidity in September in Stirling City?
How much does it rain in Stirling City in September?
When it does not snow in Stirling City?
How many hours of daylight does Stirling City have in September?
What time are sunrise and sunset in September in Stirling City?
How long on average sun shines in September in Stirling City?
What is the UV index intensity in September in Stirling City?
Average temperature in September
Stirling City, CA
- Average high temperature in September: 82.4°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is December (49.1°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).
Average pressure in September
Stirling City, CA
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Stirling City, CA
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is March (6.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Stirling City, CA
- Average humidity in September: 39%
The month with the highest relative humidity is March (76%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in September
Stirling City, CA
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is March (5").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in September
Stirling City, CA
- Average rainfall days in September: 3.7 days
The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is July (2.3 days).
Average snowfall in September
Stirling City, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Stirling City, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Stirling City, CA
- Average daylight in September: 12h and 2min
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 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Stirling City, CA
- Average sunshine days in September: 25.3 days
The month with the most sunshine days is July (27.8 days).
The month with the least sunshine days is March (14.8 days).
Average UV index in September
Stirling City, CA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in September
Stirling City, CA
- Average cloud cover in September: 10
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in September
Stirling City, 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).
Stirling City, California, USA
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