September weather forecast and climate
Bridgeport, WA

Weather in September

The first month of the autumn, September, is still a pleasant month in Bridgeport, Washington, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 52.2°F (11.2°C).

Temperature

In Bridgeport, the average high-temperature in September drops, from a warm 84.2°F (29°C) in August, to a pleasant 72.5°F (22.5°C). The average low-temperature, in Bridgeport, is 52.2°F (11.2°C).

Humidity

The average relative humidity in September is 46%.

Rainfall

In Bridgeport, during September, the rain falls for 5.6 days and regularly aggregates up to 0.43" (11mm) of precipitation. Throughout the year, there are 94.9 rainfall days, and 8.9" (226mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Bridgeport.

Daylight

The average length of the day in Bridgeport is 12.5h.

Sunshine

In September, the average sunshine in Bridgeport, Washington, is 10.7h.

UV index

The average daily maximum UV index in Bridgeport is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for the average person.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in September in Bridgeport?

The average relative humidity in September in Bridgeport, Washington, is 46%.

How much does it rain in Bridgeport in September?

In Bridgeport, Washington, in September, it is raining for 5.6 days, with typically 0.43" (11mm) of accumulated precipitation.

When it does not snow in Bridgeport?

April through October are months without snowfall in Bridgeport.

What is the average length of the day in September in Bridgeport?

In Bridgeport, Washington, the average length of the day in September is 12.5h.

How long on average sun shines in September in Bridgeport?

In Bridgeport, the average sunshine in September is 10.7h.

What is the UV index reading in September in Bridgeport?

In September, the average daily maximum UV index in Bridgeport is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in September
Bridgeport, WA

Average temperature in September - Bridgeport, WA
  • Average high temperature in September: 72.5°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (30.9°F).

  • Average low temperature in September: 52.2°F

The month with the highest average low temperature is August (59.7°F).
The coldest months (with the lowest average low temperature) are January and December (20.7°F).

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Average pressure in September
Bridgeport, WA

Average pressure in September - Bridgeport, WA
  • Average pressure in September: 29.96"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is August (29.92").

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Average wind speed in September
Bridgeport, WA

Average wind speed in September - Bridgeport, WA
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is January (4mph).

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Average humidity in September
Bridgeport, WA

Average humidity in September - Bridgeport, WA
  • Average humidity in September: 46%

The month with the highest relative humidity is January (90%).
Months with the lowest relative humidity are July and August (37%).

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Average rainfall in September
Bridgeport, WA

Average rainfall in September - Bridgeport, WA
  • Average rainfall in September: 0.43"

The wettest month (with the highest rainfall) is December (1.22").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in September
Bridgeport, WA

Average rainfall days in September - Bridgeport, WA
  • Average rainfall days in September: 5.6 days

The month with the highest number of rainy days is March (12.2 days).
The month with the least rainy days is August (3.2 days).

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Average snowfall in September
Bridgeport, WA

Average snowfall in September - Bridgeport, WA
  • Average snowfall in September: 0"

The month with the highest snowfall is December (4.17").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Bridgeport, WA

Average snowfall days in September - Bridgeport, WA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (8.8 days).
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
Bridgeport, WA

Average daylight in September / Average sunshine in September - Bridgeport, WA
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in September: 10.7h

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 3.8h).

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Average sunshine days in September
Bridgeport, WA

Average sunshine days in September - Bridgeport, WA
  • Average sunshine days in September: 23.3 days

The month with the most sunshine days is July (26.4 days).
The month with the least sunshine days is February (15.6 days).

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Average UV index in September
Bridgeport, WA

Average UV index in September - Bridgeport, WA
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are February, November and December (UV index 1).

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Average cloud cover in September
Bridgeport, WA

Average cloud cover in September - Bridgeport, WA
  • Average cloud cover in September: 19

The month with the most cloud cover is January (Cloud cover 57).
Months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in September
Bridgeport, WA

Average visibility in September - Bridgeport, WA
  • Average visibility in September: 6mi

Months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January, February and December (4mi).

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