September weather forecast
Fox Island, WA

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Weather in September

September, the first month of the autumn in Fox Island, is still a pleasant month, with an average temperature fluctuating between 70.9°F and 49.5°F.

Temperature

Fox Island's September weather shows a modest shift in high-temperatures, falling from August's moderately hot 78.1°F to a pleasant 70.9°F. In the month of September, the average temperature dips to a chilly 49.5°F during the night.

Humidity

The average relative humidity in September in Fox Island is 75%.

Rainfall

In Fox Island, during September, the rain falls for 11.9 days and regularly aggregates up to 1.54" of precipitation. In Fox Island, during the entire year, the rain falls for 172.9 days and collects up to 30.08" of precipitation.

Snowfall

In Fox Island, snow does not fall in April through October.

Daylight

The average length of the day in September is 12h and 32min.
On the first day of the month, sunrise is at 6:29 am and sunset at 7:51 pm. On the last day of September, in Fox Island, sunrise is at 7:08 am and sunset at 6:52 pm PDT.

Sunshine

In Fox Island, the average sunshine in September is 9h.

UV index

In Fox Island, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Be vigilant - Preventing sunburn is recommended. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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FAQ

What is the average September temperature in Fox Island?

During September, Fox Island experiences an average high-temperature of 70.9°F and a low-temperature of 49.5°F.

What is the average humidity in September in Fox Island?

In Fox Island, Washington, the average relative humidity in September is 75%.

How much does it rain in Fox Island in September?

In Fox Island, Washington, during September, the rain falls for 11.9 days and regularly aggregates up to 1.54" of precipitation.

When it does not snow in Fox Island?

In Fox Island, snow does not fall in April through October.

How many hours of daylight does Fox Island have in September?

In September, the average day length is 12h and 32min.

When is the sunrise / sunset in September in Fox Island?

On the first day of September, sunrise is at 6:29 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:52 pm PDT.

How long on average sun shines in September in Fox Island?

In Fox Island, Washington, the average sunshine duration in September is 9h.

What is the UV index reading in September in Fox Island?

The average daily maximum UV index in September in Fox Island is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Fox Island, WA

Average temperature in September - Fox Island, WA
  • Average high temperature in September: 70.9°F

The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in September: 49.5°F

The month with the highest average low temperature is August (52.7°F).
The coldest months (with the lowest average low temperature) are February and December (34.3°F).

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Average pressure in September
Fox Island, WA

Average pressure in September - Fox Island, 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, August and September (30.01"Hg).

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Average wind speed in September
Fox Island, WA

Average wind speed in September - Fox Island, WA
  • Average wind speed in September: 4mph

The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in September
Fox Island, WA

Average humidity in September - Fox Island, WA
  • Average humidity in September: 75%

The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (68%).

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Average rainfall in September
Fox Island, WA

Average rainfall in September - Fox Island, WA
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is December (4.69").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in September
Fox Island, WA

Average rainfall days in September - Fox Island, WA
  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (5 days).

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Average snowfall in September
Fox Island, WA

Average snowfall in September - Fox Island, WA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Fox Island, WA

Average snowfall days in September - Fox Island, WA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Fox Island, WA

Average daylight in September / Average sunshine in September - Fox Island, WA
  • Average daylight in September: 12h and 3min

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 36min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).

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Average sunshine days in September
Fox Island, WA

Average sunshine days in September - Fox Island, WA
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is August (23.4 days).
The month with the least sunshine days is February (9 days).

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Average UV index in September
Fox Island, WA

Average UV index in September - Fox Island, WA
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Fox Island, WA

Average cloud cover in September - Fox Island, WA
  • Average cloud cover in September: 36

The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in September
Fox Island, WA

Average visibility in September - Fox Island, WA
  • Average visibility in September: 5mi

The months with the highest visibility are June, July and August (6mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (5mi).

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Fox Island, Washington, USA

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