San Francisco in September
Warm and dry, as the days shorten.
September in San Francisco is warm: highs near 77°F, lows near 56°F. Rain is rare, and the days shorten by 52 minutes from the first week to the last.September in San Francisco is warm: highs near 25°C, lows near 13°C. Rain is rare, and the days shorten by 52 minutes from the first week to the last.
- High
- 77°F25°Caverage
- Low
- 56°F13°Caverage
- Wet days
- 0a week · 2% of days
- Daylight
- 12h 21mon average
Is September a good time to visit San Francisco?
Yes. September is one of San Francisco's best months (July to October).
How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.
How September sits in the year
week by weekTemperature
Highs near 77°F in September, against 60°F to 77°F through the year.Highs near 25°C in September, against 16°C to 25°C through the year.
Chance of a wet day
2% of days in September, against 0% to 34% through the year.
Cloud cover
14% cover in September, against 11% to 61% through the year.
Daylight
12h 21m in September, against 9h 35m to 14h 44m through the year.
Either side
Where San Francisco sits, in September
America/Los Angeles- this place
- typical high in September 40°F4°C95°F35°C
- Sunrise, mid-September
- 6:50 AMsets 7:20 PM
- Above the sea
- 20 mlow-lying
- Latitude
- 37.8°Nnorthern hemisphere
- Nearest of ours
- Napa58 km north
The land around San Francisco, shaded by its typical high in September, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.