ClimaGo › San Francisco › Weather in September
United States
September showcases warm 72 degree weather and the clearest skies of the year, making it ideal for outdoor activities like Mission District walking tours and viewpoint photography.
Avg High
20°C
Avg Low
14°C
Daily Rain
0.2mm
Rainfall
Very low
✅ September is one of the best months to visit San Francisco!
San Francisco's iconic Golden Gate Bridge, Victorian houses and innovative tech scene captivate cosmopolitan travelers.