September weather forecastBridgeport, WA
September
Weather in September
September, the first month of the autumn in Bridgeport, is also an agreeable month, with an average temperature varying between 52.2°F (11.2°C) and 72.5°F (22.5°C).Temperature
The beginning of September involves a decrease in the average high-temperature, transitioning from a warm 84.2°F (29°C) in August to an agreeable 72.5°F (22.5°C). The average low-temperature, in September, is a cool 52.2°F (11.2°C).Humidity
In September, the average relative humidity in Bridgeport is 46%.Rainfall
In Bridgeport, in September, it is raining for 5.6 days, with typically 0.43" (11mm) of accumulated precipitation. In Bridgeport, Washington, during the entire year, the rain falls for 94.9 days and collects up to 8.9" (226mm) of precipitation.Snowfall
In Bridgeport, snow does not fall in April through October.Daylight
In Bridgeport, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:38 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:39 pm PDT.
Sunshine
The average sunshine in September is 10.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure in September
Bridgeport, WA
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
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).
Average humidity in September
Bridgeport, WA
- Average humidity in September: 46%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (37%).
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").
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).
Average snowfall in September
Bridgeport, WA
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.17").
The months with the least snowfall are April, May, June, July, August, September and October (0").
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).
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
Bridgeport, WA
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 10h and 42min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
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).
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).
The months with the lowest UV index are February, November and December (UV index 1).
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).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in September
Bridgeport, WA
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
