ClimateAverages

San Francisco Weather in September

JanFebMarAprMayJunJulAugSepOctNovDec
Right now
12°C
Sunny · feels like 7°C
Humidity
89%
Wind
4 kph E
UV
0.3
Rain
0%
Updated Jul 9, 09:00 AMWeather data by WeatherAPI.com
September daytime high
22.6°C
September overnight low
8.0°C
September average
15.2°C

In September, San Francisco typically sees daytime highs of 22.6°C and overnight lows around 8.0°C. Compared to the annual average high of 24.7°C, September runs -2.1°C.

vs. annual avg high
-2.1°C
Rank among 12 months
#8 warmest
Hottest year overall
2022

Where September ranks in San Francisco

JanFebMarAprMayJunJulAugSep23°OctNovDec

FAQ

What is the average temperature in San Francisco in September?

September in San Francisco averages a daytime high of 22.6°C and an overnight low of 8.0°C.

Is September warm or cold in San Francisco?

September runs -2.1°C compared to San Francisco's annual average high of 24.7°C, ranking #8 of 12 months by warmth.

What should I pack for San Francisco in September?

Plan for daytime highs near 22.6°C and cooler evenings around 8.0°C.

Other months for San Francisco

JanuaryFebruaryMarchAprilMayJuneJulyAugustOctoberNovemberDecember

September in nearby cities

CordobaRio CuartoVilla MariaVilla Carlos PazRio Tercero