FallPeak season ~70°F highs

Things to do in San Francisco in September

September is one of the best months to visit San Francisco, with average highs around 70°F. Crisp air and changing leaves make parks and viewpoints shine.

Plan a September weekend Where else in September

Best picks for September

What's famous here, weighted toward what shines in September.

1Foliage walks

Alcatraz Island

park

2Fall colors

Bliss

viewpoint

Golden Gate Bridge

attraction

Holidays in September 2027

Labour Day · Mon, Sep 6

Expect busier roads and pricier stays around these dates. See long weekends.

San Francisco in September: quick answers

Is September a good time to visit San Francisco?

September is one of the best months to visit San Francisco, with average highs around 70°F. Crisp air and changing leaves make parks and viewpoints shine.

What is the weather like in San Francisco in September?

Average daytime highs are around 70°F, compared with 70°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.

What are the best things to do in San Francisco in September?

Top picks for September: Alcatraz Island, Bliss, Golden Gate Bridge, Golden Gate Park, Coit Tower.