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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
Recommended for California
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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