September weather forecast and climate
Bridgeport, CA

Weather in September

The first month of the autumn, September, is also an enjoyable month in Bridgeport, California, with average temperature varying between 67.3°F (19.6°C) and 43.3°F (6.3°C).

Temperature

In September, the average high-temperature slightly decreases, from a warm 73.8°F (23.2°C) in August, to an enjoyable 67.3°F (19.6°C). In September, in Bridgeport, the average low-temperature is 43.3°F (6.3°C).

Humidity

The average relative humidity in Bridgeport is 37%.

Rainfall

In Bridgeport, during September, the rain falls for 3.7 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Bridgeport, during the entire year, the rain falls for 63.4 days and collects up to 15.71" (399mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. September is the first month it typically snows in Bridgeport. Throughout September, in the average 0.9 snowfall days, it receives 0.55" (14mm) of snow. In Bridgeport, during the entire year, snow falls for 78.5 days, and aggregates up to 95.63" (2429mm) of snow.

Daylight

In Bridgeport, the average length of the day in September is 12.4h.

Sunshine

The average sunshine in September is 11.2h.

UV index

In September, the average daily maximum UV index in Bridgeport is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 3 in September transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in September in Bridgeport?

In Bridgeport, California, in September, the average high-temperature is 67.3°F (19.6°C), and the average low-temperature is 43.3°F (6.3°C).

What is the average humidity in September in Bridgeport?

The average relative humidity in September is 37%.

How many days does it rain in September in Bridgeport?

In September, in Bridgeport, California, the rain falls for 3.7 days. Throughout September, 0.35" (9mm) of precipitation is accumulated.

When does it start to snow in Bridgeport?

September is the first month it typically snows. Throughout September, in the average 0.9 snowfall days, it receives 0.55" (14mm) of snow.

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

The average length of the day in September is 12.4h.

How many hours of sunshine does Bridgeport have in September?

In September, the average sunshine in Bridgeport is 11.2h.

What is the UV index reading in September in Bridgeport?

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in September
Bridgeport, CA

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).

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Average pressure in September
Bridgeport, CA

Average pressure in September - Bridgeport, CA
  • Average pressure in September: 29.94"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in September
Bridgeport, CA

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).

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Average humidity in September
Bridgeport, CA

Average humidity in September - Bridgeport, CA
  • Average humidity in September: 37%

Months with the highest relative humidity are February and March (73%).
The month with the lowest relative humidity is August (34%).

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Average rainfall in September
Bridgeport, CA

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").

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Average rainfall days in September
Bridgeport, CA

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).

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Average snowfall in September
Bridgeport, CA

Average snowfall in September - Bridgeport, CA
  • Average snowfall in September: 0.55"

The month with the highest snowfall is February (17.87").
Months with the least snowfall are July and August (0").

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Average snowfall days in September
Bridgeport, CA

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).
Months with the least snowfall days are July and August (0 days).

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Average daylight in September /
Average sunshine in September
Bridgeport, CA

Average daylight in September / Average sunshine in September - Bridgeport, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in September: 11.2h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.4h).

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Average sunshine days in September
Bridgeport, CA

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).

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Average UV index in September
Bridgeport, CA

Average UV index in September - Bridgeport, CA
  • Average UV index in September: 3

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, March, April, November and December (UV index 2).

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Average cloud cover in September
Bridgeport, CA

Average cloud cover in September - Bridgeport, CA
  • Average cloud cover in September: 8

Months with the most cloud cover are March and December (Cloud cover 29).
Months with the least cloud cover are August and September (Cloud cover 8).

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Average visibility in September
Bridgeport, CA

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

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

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