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
The transition into September involves a small decrease in the average high-temperature, dipping slightly from a moderately hot 73.8°F (23.2°C) in August to a comfortable 67.3°F (19.6°C). Bridgeport's September nights see a large temperature deviation, with temperatures resting at a low of 43.3°F (6.3°C).Humidity
The average relative humidity in September is 37%.Rainfall
In Bridgeport, California, in September, during 3.7 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. Throughout the year, there are 63.4 rainfall days, and 15.71" (399mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.9 snowfall days, it receives 0.55" (14mm) of snow. Throughout the year, there are 78.5 snowfall days, and 95.63" (2429mm) of snow is accumulated.Daylight
In Bridgeport, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:27 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:40 pm PDT.
Sunshine
In September, the average sunshine is 11.2h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September in Bridgeport?
When does it start snowing?
How many hours of daylight does Bridgeport have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Bridgeport have in September?
What is the UV index reading in September?
Average temperature in September
Bridgeport, CA
- Average high temperature in September: 67.3°F
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is December (34.7°F).
- Average low temperature in September: 43.3°F
The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is December (16.9°F).
Average pressure in September
Bridgeport, CA
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Bridgeport, CA
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is March (7mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Bridgeport, CA
- Average humidity in September: 37%
The months with the highest relative humidity are February and March (73%).
The month with the lowest relative humidity is August (34%).
Average rainfall in September
Bridgeport, CA
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is February (2.48").
The driest month (with the least rainfall) is August (0.24").
Average rainfall days in September
Bridgeport, CA
- Average rainfall days in September: 3.7 days
The month with the highest number of rainy days is May (8.3 days).
The month with the least rainy days is November (2.5 days).
Average snowfall in September
Bridgeport, CA
- Average snowfall in September: 0.55"
The month with the highest snowfall is February (17.87").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Bridgeport, CA
- Average snowfall days in September: 0.9 days
The month with the highest number of snowfall days is March (14.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Bridgeport, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Bridgeport, CA
- Average sunshine days in September: 23.5 days
The month with the most sunshine days is October (25.5 days).
The month with the least sunshine days is March (14 days).
Average UV index in September
Bridgeport, CA
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover in September
Bridgeport, CA
- Average cloud cover in September: 8
The months with the most cloud cover are March and December (Cloud cover 29).
The months with the least cloud cover are August and September (Cloud cover 8).
Average visibility in September
Bridgeport, CA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Bridgeport, California, USA
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