September weather forecast
Bangor, CA

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Weather in September

September, the first month of the autumn in Bangor, is also a hot month, with an average temperature fluctuating between 59.7°F (15.4°C) and 87.1°F (30.6°C).

Temperature

September reveals a small adjustment in temperature, transitioning from an average high of 92.8°F (33.8°C) in August to a still hot 87.1°F (30.6°C). September, marked by an average low-temperature of 59.7°F (15.4°C), indicates a large temperature drop from the daytime peak.

Humidity

The average relative humidity in September is 37%.

Rainfall

In September, the rain falls for 2.4 days. Throughout September, 0.28" (7mm) of precipitation is accumulated. Throughout the year, there are 71.4 rainfall days, and 15.31" (389mm) of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 6:34 am and sunset at 7:35 pm. On the last day of September, in Bangor, sunrise is at 7:01 am and sunset at 6:49 pm PDT.

Sunshine

In Bangor, the average sunshine in September is 11.3h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 5 during September translates into the following guidance:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. 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.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September in Bangor?

An average high-temperature, in September, in Bangor, is 87.1°F (30.6°C) and the average low-temperature is 59.7°F (15.4°C). In June, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 86°F (30°C).

What is the average humidity in September?

The average relative humidity in September is 37%.

How much does it rain in September?

In Bangor, in September, during 2.4 rainfall days, 0.28" (7mm) of precipitation is typically accumulated.

When it does not snow?

In Bangor, snow does not fall in January, March through December.

How many hours of daylight does Bangor have in September?

In Bangor, the average day length in September is 12h and 26min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:34 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:49 pm PDT.

How long on average sun shines in September?

In September, the average sunshine duration in Bangor is 11.3h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
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
Bangor, CA

Average temperature in September - Bangor, CA
  • Average high temperature in September: 87.1°F

The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is December (53.6°F).

  • Average low temperature in September: 59.7°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (39.7°F).

Average pressure in September
Bangor, CA

Average pressure in September - Bangor, CA
  • Average pressure in September: 29.92"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in September
Bangor, CA

Average wind speed in September - Bangor, CA
  • Average wind speed in September: 5.1mph

The windiest month (with the highest average wind speed) is March (6mph).
The calmest months (with the lowest average wind speed) are August and November (5mph).

Average humidity in September
Bangor, CA

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

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (35%).

Average rainfall in September
Bangor, CA

Average rainfall in September - Bangor, CA
  • Average rainfall in September: 0.28"

The wettest month (with the highest rainfall) is March (2.87").
The driest month (with the least rainfall) is July (0.04").

Average rainfall days in September
Bangor, CA

Average rainfall days in September - Bangor, CA
  • Average rainfall days in September: 2.4 days

The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (1.6 days).

Average snowfall in September
Bangor, CA

Average snowfall in September - Bangor, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Bangor, CA

Average snowfall days in September - Bangor, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Bangor, CA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 11h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

Average sunshine days in September
Bangor, CA

Average sunshine days in September - Bangor, CA
  • Average sunshine days in September: 27 days

The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (17.4 days).

Average UV index in September
Bangor, CA

Average UV index in September - Bangor, CA
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September
Bangor, CA

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

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in September
Bangor, CA

Average visibility in September - Bangor, 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).

Bangor, California, USA

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