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
Skamokawa ushers in September with an average high-temperature of an enjoyable 64.9°F (18.3°C), showing a close resemblance to the previous month. Nighttime temperatures in Skamokawa, Washington, consistently average a fresh 50.9°F (10.5°C) during September.Humidity
The average relative humidity in September in Skamokawa, Washington, is 83%.Rainfall
In Skamokawa, in September, during 12.3 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 195.9 rainfall days, and 40.59" (1031mm) of precipitation is accumulated.Snowfall
In Skamokawa, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 6:35 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:54 pm PDT.
Sunshine
In Skamokawa, Washington, the average sunshine in September is 8.6h.UV index
In Skamokawa, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 4 during September leads to these advisories:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Skamokawa?
What is the average humidity in September in Skamokawa?
How much does it rain in Skamokawa in September?
When it does not snow in Skamokawa?
What is the average length of the day in September in Skamokawa?
When is the sunrise / sunset in September in Skamokawa?
How many hours of sunshine does Skamokawa have in September?
What is the UV index reading in September in Skamokawa?
Average temperature in September
Skamokawa, WA
- Average high temperature in September: 64.9°F
The warmest month (with the highest average high temperature) is August (68.2°F).
The month with the lowest average high temperature is December (44.6°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (37.6°F).
Average pressure in September
Skamokawa, WA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March and September (30.02"Hg).
Average wind speed in September
Skamokawa, WA
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Skamokawa, WA
- Average humidity in September: 83%
The months with the highest relative humidity are January, February, November and December (85%).
The months with the lowest relative humidity are May and July (81%).
Average rainfall in September
Skamokawa, WA
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is December (6.42").
The driest months (with the least rainfall) are July and August (0.55").
Average rainfall days in September
Skamokawa, WA
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is December (21.9 days).
The month with the least rainy days is August (7.8 days).
Average snowfall in September
Skamokawa, WA
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.87").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Skamokawa, WA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Skamokawa, 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 4min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Skamokawa, WA
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is August (19.7 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in September
Skamokawa, WA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Skamokawa, WA
- Average cloud cover in September: 39
The months with the most cloud cover are January and February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Skamokawa, WA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).
Skamokawa, Washington, USA
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