September weather forecast
Bodega Bay, CA

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Weather in September

September, the first month of the autumn in Bodega Bay, is also an agreeable month, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 54.7°F (12.6°C).

Temperature

Bodega Bay's warmest month, September, registers temperatures that range from a high of 72.5°F (22.5°C) to a low of 54.7°F (12.6°C).

Humidity

The months with the lowest humidity in Bodega Bay are September and October, with an average relative humidity of 71%.

Rainfall

In Bodega Bay, in September, during 2.7 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. In Bodega Bay, during the entire year, the rain falls for 83.1 days and collects up to 20" (508mm) of precipitation.

Ocean temperature

In September, the average ocean temperature in Bodega Bay is 55.9°F (13.3°C).
Note: It is risky to swim in 55.9°F (13.3°C). Temperatures beneath 50°F (10°C) induce rapid cold shock and hyperventilation.

Daylight

In Bodega Bay, California, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:42 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:55 pm PDT.

Sunshine

The average sunshine in September in Bodega Bay is 10.8h.

UV index

The months with the highest UV index are June through September, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 5 during September leads to these advisories:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What is the hottest time of year in Bodega Bay?

September, noted for its average high-temperature of 72.5°F (22.5°C) and an average low-temperature of 54.7°F (12.6°C), is considered the warmest month in Bodega Bay.

What is the usual temperature for Bodega Bay in September?

In Bodega Bay, 72.5°F (22.5°C) is the average high-temperature and 54.7°F (12.6°C) is the average low-temperature during September.

What are the least humid months in Bodega Bay?

September and October, with an average relative humidity of 71%, are the least humid months in Bodega Bay.

What is the average humidity in September in Bodega Bay?

In September, the average relative humidity is 71%.

How many days does it rain in September in Bodega Bay?

In September, in Bodega Bay, California, the rain falls for 2.7 days. Throughout September, 0.12" (3mm) of precipitation is accumulated.

What is the ocean temperature in September in Bodega Bay?

In Bodega Bay, the average seawater temperature in September is 55.9°F (13.3°C). Swimming in 55.9°F (13.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Bodega Bay have in September?

In Bodega Bay, California, the average day length in September is 12h and 25min.

What time are sunrise and sunset in September in Bodega Bay?

In September, on the first day of the month, sunrise is at 6:42 am and sunset at 7:41 pm. On the last day of the month, in Bodega Bay, sunrise is at 7:07 am and sunset at 6:55 pm PDT.

How long on average sun shines in September in Bodega Bay?

The average sunshine duration in September is 10.8h.

What are the months with the highest UV index in Bodega Bay?

The months with the highest UV index in Bodega Bay, California, are June through September, with an average maximum UV index of 5.

What is the UV index reading in September in Bodega Bay?

The average daily maximum UV index in September in Bodega Bay, California, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.

Average temperature in September
Bodega Bay, CA

Average temperature in September - Bodega Bay, CA
  • Average high temperature in September: 72.5°F

The warmest month (with the highest average high temperature) is September (72.5°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in September: 54.7°F

The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).

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Average pressure in September
Bodega Bay, CA

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are August and September (29.92"Hg).

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Average wind speed in September
Bodega Bay, CA

Average wind speed in September - Bodega Bay, CA
  • Average wind speed in September: 7.4mph

The windiest month (with the highest average wind speed) is May (9.9mph).
The calmest month (with the lowest average wind speed) is November (6.7mph).

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Average humidity in September
Bodega Bay, CA

Average humidity in September - Bodega Bay, CA
  • Average humidity in September: 71%

The month with the highest relative humidity is March (78%).
The months with the lowest relative humidity are September and October (71%).

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Average rainfall in September
Bodega Bay, CA

Average rainfall in September - Bodega Bay, CA
  • Average rainfall in September: 0.12"

The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days in September
Bodega Bay, CA

Average rainfall days in September - Bodega Bay, CA
  • Average rainfall days in September: 2.7 days

The month with the highest number of rainy days is March (14.4 days).
The month with the least rainy days is August (1.1 days).

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Average sea temperature in September
Bodega Bay, CA

Average sea temperature in September - Bodega Bay, CA
  • Average sea temperature in September: 55.9°F

The best month for swimming (with the highest average sea temperature) is October (56.2°F).
The coldest month (with the lowest average sea temperature) is June (51.6°F).

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Average daylight in September /
Average sunshine in September
Bodega Bay, CA

Average daylight in September / Average sunshine in September - Bodega Bay, 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 30min).

  • Average sunshine in September: 10h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in September
Bodega Bay, CA

Average sunshine days in September - Bodega Bay, CA
  • Average sunshine days in September: 25.9 days

The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (14.8 days).

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Average UV index in September
Bodega Bay, CA

Average UV index in September - Bodega Bay, CA
  • Average UV index in September: 5

The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in September
Bodega Bay, CA

Average cloud cover in September - Bodega Bay, CA
  • Average cloud cover in September: 12

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 12).

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Average visibility in September
Bodega Bay, CA

Average visibility in September - Bodega Bay, 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).

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Bodega Bay, California, USA

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