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San Francisco weather in September 2022
- 2222°C max day temperature
- 22 days with some rainfall
- 1313°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 77 mm of monthly rainfall
- 77 (High) UV index
- 1414°C sea temperature
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The September weather guide for California (San Francisco) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about San Francisco
How hot is it in San Francisco in September?
Daytime temperatures usually reach 22°C in San Francisco in September, falling to 13°C at night.
How sunny is it in San Francisco in September?
There are normally 9 hours of bright sunshine each day in San Francisco in September - that's 73% of daylight hours.
How warm is the sea around San Francisco in September?
The average sea temperature around San Francisco in September is 14°C.
Does it ever rain in San Francisco in September?
There are usually 2 days with some rain in San Francisco in September and the average monthly rainfall is 7mm.
San Francisco September sunrise & sunset times
Browse the sunrise and sunset times for San Francisco in September 2022. Select a month to view San Francisco sunrise and sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Thursday, 1st September 2022||06:40||19:39|
|Thursday, 15th September 2022||06:52||19:17|
|Friday, 30th September 2022||07:04||18:54|
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