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
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a fiery hot 99.1°F (37.3°C) to a hot 92.5°F (33.6°C). In Wasco, a significant divergence from daytime highs is recorded, with average lows of 62.8°F (17.1°C) during September nights.Humidity
In Wasco, the average relative humidity in September is 34%.Rainfall
In Wasco, during September, the rain falls for 1.5 days and regularly aggregates up to 0.08" (2mm) of precipitation. In Wasco, during the entire year, the rain falls for 53.8 days and collects up to 6.85" (174mm) of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:24 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:41 pm PDT.
Sunshine
In September, the average sunshine is 11.2h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. 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 September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Wasco, CA
- Average high temperature in September: 92.5°F
The warmest month (with the highest average high temperature) is July (100°F).
The month with the lowest average high temperature is December (58.5°F).
- Average low temperature in September: 62.8°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).
Average pressure in September
Wasco, CA
- Average pressure in September: 29.91"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Wasco, CA
- Average wind speed in September: 4.3mph
The windiest months (with the highest average wind speed) are June and July (5mph).
The calmest month (with the lowest average wind speed) is November (3.5mph).
Average humidity in September
Wasco, CA
- Average humidity in September: 34%
The months with the highest relative humidity are January and December (62%).
The month with the lowest relative humidity is August (30%).
Average rainfall in September
Wasco, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is March (1.3").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in September
Wasco, CA
- Average rainfall days in September: 1.5 days
The month with the highest number of rainy days is March (8.8 days).
The month with the least rainy days is August (0.5 days).
Average snowfall in September
Wasco, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Wasco, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Wasco, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in September
Wasco, CA
- Average sunshine days in September: 27.9 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (20.3 days).
Average UV index in September
Wasco, CA
- Average UV index in September: 6
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Wasco, CA
- Average cloud cover in September: 5
The months with the most cloud cover are March and December (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in September
Wasco, 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).
Wasco, California, USA
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