San Francisco Weather Forecast
- 58
- 69
Increasing Clouds
- 59
- 67
Partly Sunny
- 58
- 72
Partly Sunny
- 58
- 71
Partly Sunny
- 58
- 70
Partly Sunny
- 58
- 69
Mostly Cloudy
Today 15 Sep San Francisco
Partly cloudy. Highs in the 60s to lower 70s. Southwest Winds 5 to 15 Mph.
Tonight 15 Sep San Francisco
Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s. Southwest Winds 10 to 15 Mph.
San Francisco Temperature Statistics
September Temperature
Oakland, Metro Oakland International Airport (10.6 miles)
Lowest 7 September, 2026
53.7 °FAverage September
67.8 °FHighest 9 September, 2026
96.7 °F
Climate (2021–2026)
Oakland, Metro Oakland International Airport (10.6 miles)
Average Low 2021–2026
51.1 °FAverage 2021–2026
58.9 °FAverage High 2021–2026
67.2 °F