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 sea temperature 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 warmest time of the year is September, with temperatures averaging a high of 72.5°F (22.5°C) and a low of 54.7°F (12.6°C).Humidity
September and October, with an average relative humidity of 71%, are the least humid months.Rainfall
In Bodega Bay, during September, the rain falls for 2.7 days and regularly aggregates up to 0.12" (3mm) of precipitation. 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 Bodega Bay, in September, the average water temperature is 55.9°F (13.3°C).Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.
Daylight
In September, the average length of the day 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
In Bodega Bay, the average sunshine in September is 10.8h.UV index
June through September, with an average maximum UV index of 5, are months with the highest UV index in Bodega Bay. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months?
What is the temperature in September?
What is the least humid month?
What is the average humidity in September?
How many days does it rain in September?
What is the water temperature in September?
How many hours of daylight does Bodega Bay have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Bodega Bay have in September?
When is the highest UV index?
What is the UV index intensity in September?
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).
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).
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).
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%).
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").
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).
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).
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).
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).
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).
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).
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).
Bodega Bay, California, USA
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