September weather forecastEverson, WA
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Everson, Washington, with an average temperature ranging between max 66°F (18.9°C) and min 47.5°F (8.6°C).Temperature
September ushers in a minor alteration in Everson's climate, with the average high-temperature moving from August's agreeable 73.2°F (22.9°C) to a refreshing 66°F (18.9°C). In Everson, September nights cool down to an average of 47.5°F (8.6°C).Humidity
In September, the average relative humidity in Everson is 78%.Rainfall
In September, in Everson, the rain falls for 12.9 days. Throughout September, 2.56" (65mm) of precipitation is accumulated. In Everson, during the entire year, the rain falls for 194.7 days and collects up to 48.66" (1236mm) of precipitation.Snowfall
In Everson, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 6:27 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:49 pm PDT.
Sunshine
In Everson, the average sunshine in September is 9h.UV index
The average daily maximum UV index in September in Everson is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Everson, WA
- Average high temperature in September: 66°F
The warmest month (with the highest average high temperature) is August (73.2°F).
The month with the lowest average high temperature is December (39.6°F).
- Average low temperature in September: 47.5°F
The month with the highest average low temperature is August (51.3°F).
The coldest months (with the lowest average low temperature) are February and December (31.6°F).
Average pressure in September
Everson, WA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March and August (30"Hg).
Average wind speed in September
Everson, WA
- Average wind speed in September: 3.4mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.2mph).
Average humidity in September
Everson, WA
- Average humidity in September: 78%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is July (73%).
Average rainfall in September
Everson, WA
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is November (7.32").
The driest month (with the least rainfall) is July (1.02").
Average rainfall days in September
Everson, WA
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is March (21.6 days).
The month with the least rainy days is August (8.5 days).
Average snowfall in September
Everson, WA
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.99").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Everson, WA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 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
Everson, WA
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Everson, WA
- Average sunshine days in September: 15.2 days
The months with the most sunshine days are July and August (20 days).
The month with the least sunshine days is March (7.8 days).
Average UV index in September
Everson, WA
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Everson, WA
- Average cloud cover in September: 37
The months with the most cloud cover are January, March and December (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Everson, WA
- Average visibility in September: 5mi
The months with the highest visibility are July and August (6mi).
The month with the lowest visibility is January (4mi).
