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
Northwoods experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a warm 77.7°F (25.4°C) in August to an agreeable 70.2°F (21.2°C). A steady average of 47.7°F (8.7°C) throughout September in Northwoods underscores a considerable divergence from the daytime high.Humidity
In Northwoods, the average relative humidity in September is 74%.Rainfall
In September, the rain falls for 11.6 days. Throughout September, 2.32" (59mm) of precipitation is accumulated. Throughout the year, there are 182.3 rainfall days, and 48.11" (1222mm) of precipitation is accumulated.Snowfall
In Northwoods, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 6:29 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:49 pm PDT.
Sunshine
In Northwoods, Washington, the average sunshine in September is 8.4h.UV index
In Northwoods, Washington, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 3 in September suggests the following recommendations:
Be vigilant - Preventing sunburn is recommended. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What are the temperatures in Northwoods in September?
What is the average humidity in September in Northwoods?
How many days does it rain in September in Northwoods?
When it does not snow in Northwoods?
What is the average length of the day in September in Northwoods?
When is the sunrise / sunset in September in Northwoods?
How many hours of sunshine does Northwoods have in September?
How high is the UV index in September in Northwoods?
Average temperature in September
Northwoods, WA
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is August (77.7°F).
The month with the lowest average high temperature is December (40.6°F).
- Average low temperature in September: 47.7°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (30.7°F).
Average pressure in September
Northwoods, WA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in September
Northwoods, WA
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is January (6.1mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Northwoods, WA
- Average humidity in September: 74%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (69%).
Average rainfall in September
Northwoods, WA
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is January (7.64").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in September
Northwoods, WA
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (5.6 days).
Average snowfall in September
Northwoods, WA
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Northwoods, WA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.2 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
Northwoods, WA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in September
Northwoods, WA
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is August (23.4 days).
The month with the least sunshine days is February (8.1 days).
Average UV index in September
Northwoods, WA
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Northwoods, WA
- Average cloud cover in September: 41
The months with the most cloud cover are February and December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Northwoods, WA
- Average visibility in September: 5mi
The months with the highest visibility are June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, November and December (4mi).
Northwoods, Washington, USA
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