September weather forecastWilbur, WA
September
Weather in September
September, the first month of the autumn in Wilbur, is still a pleasant month, with an average temperature ranging between min 53.2°F (11.8°C) and max 72.7°F (22.6°C).Temperature
With September's arrival, Wilbur's weather changes as the average high-temperature falls from a warm 84.2°F (29°C) in August to a pleasant 72.7°F (22.6°C). The average temperature during September nights in Wilbur is registered at a cool 53.2°F (11.8°C).Humidity
In September, the average relative humidity in Wilbur is 45%.Rainfall
In Wilbur, in September, during 5.5 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Wilbur, during the entire year, the rain falls for 102.1 days and collects up to 9.65" (245mm) of precipitation.Snowfall
Months with snowfall are January through April, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, in Wilbur, there are 33.4 snowfall days, and 14.65" (372mm) of snow is accumulated.Daylight
The average length of the day in September in Wilbur, Washington, is 12h and 33min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:34 pm. On the last day of September, sunrise is at 6:53 am and sunset at 6:35 pm PDT.
Sunshine
In Wilbur, Washington, the average sunshine in September is 10.7h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 4 during September translates into the following guidance:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wilbur, WA
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (31.6°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure in September
Wilbur, WA
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in September
Wilbur, WA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).
Average humidity in September
Wilbur, WA
- Average humidity in September: 45%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (36%).
Average rainfall in September
Wilbur, WA
- Average rainfall in September: 0.43"
The wettest months (with the highest rainfall) are May and December (1.18").
The driest months (with the least rainfall) are July and August (0.2").
Average rainfall days in September
Wilbur, WA
- Average rainfall days in September: 5.5 days
The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in September
Wilbur, WA
- Average snowfall in September: 0.08"
The month with the highest snowfall is January (4.41").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in September
Wilbur, WA
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Wilbur, WA
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 10h and 42min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Wilbur, WA
- Average sunshine days in September: 23.3 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is March (14.7 days).
Average UV index in September
Wilbur, WA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Wilbur, WA
- Average cloud cover in September: 18
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in September
Wilbur, WA
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
