September weather forecastWiest, CA
September
Weather in September
September, the first month of the autumn in Wiest, is still a torrid month, with an average temperature ranging between max 98.4°F (36.9°C) and min 79.7°F (26.5°C).Temperature
The onset of September results in a small decrease in the average high-temperature, moderately receding from a blistering 105.4°F (40.8°C) in August to a fiery hot 98.4°F (36.9°C). The average temperature in Wiest drops to a warm 79.7°F (26.5°C) during the night in the month of September.Humidity
The average relative humidity in September in Wiest, California, is 26%.Rainfall
In Wiest, in September, it is raining for 4.5 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, in Wiest, there are 34.3 rainfall days, and 3.46" (88mm) of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:06 pm. On the last day of September, in Wiest, sunrise is at 6:35 am and sunset at 6:27 pm PDT.
Sunshine
In Wiest, the average sunshine in September is 10.2h.UV index
In Wiest, the average daily maximum UV index in September is 8. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 8 during September morphs into the following directions:
Stay protected; otherwise, skin and eyes can suffer rapid damage. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wiest, CA
- Average high temperature in September: 98.4°F
The warmest month (with the highest average high temperature) is July (105.8°F).
The month with the lowest average high temperature is December (65.8°F).
- Average low temperature in September: 79.7°F
The month with the highest average low temperature is August (84.7°F).
The coldest months (with the lowest average low temperature) are January and December (50.4°F).
Average pressure in September
Wiest, CA
- Average pressure in September: 29.81"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.77"Hg).
Average wind speed in September
Wiest, CA
- Average wind speed in September: 6.3mph
The windiest months (with the highest average wind speed) are April and May (8.1mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).
Average humidity in September
Wiest, CA
- Average humidity in September: 26%
The month with the highest relative humidity is December (41%).
The month with the lowest relative humidity is June (22%).
Average rainfall in September
Wiest, CA
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is May (0").
Average rainfall days in September
Wiest, CA
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is May (0.8 days).
Average daylight in September /
Average sunshine in September
Wiest, CA
- Average daylight in September: 12h and 24min
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 12min
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 0min).
Average sunshine days in September
Wiest, CA
- Average sunshine days in September: 22.7 days
The month with the most sunshine days is May (30 days).
The month with the least sunshine days is July (19 days).
Average UV index in September
Wiest, CA
- Average UV index in September: 8
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
Wiest, CA
- Average cloud cover in September: 7
The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
Wiest, 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).
