San Francisco Weather in September

What's the weather like in San Francisco (Estado Zulia) in September 2024?

The climate in San Francisco during September can be summarized as very hot, humid and a little damp.

September is in the fall / autumn in San Francisco and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 34°C (93°F), whilst at night 25°C (76°F) is normal.

San Francisco weather averages (imperial / metric)
Daytime temperature 33.7°C 92.6°F
Nightly temperature 24.6°C 76.2°F
Average temperature 29.1°C 84.4°F
Daily sunshine 6.8 hrs
Avg rainfall 96 mm 3.8 ins
Rainy days 10 days
Sea temperature 28.6°C 83.4°F
Humidity 77%
Windspeed 11.5kph 7 mph

On average September is the 2nd wettest month of the year in San Francisco with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.8 hours of sunshine per day.

September temperatures in San Francisco

San Francisco average temperature in September

September rainfall

San Francisco average rain in September

September hourly sunshine

San Francisco average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Francisco in September 2024.

Other monthly averages

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San Francisco weather stats

San Francisco weather statistics
Hottest month: August 34.1°C 93.4°F
Driest month: February 3mm 0.1ins
Sunniest month: January 9hrs
Coldest month: January 32.2°C 90°F
Wettest month: October 129mm 5.1ins
Map showing location of San Francisco (10.55363, -71.70364) San Francisco map pin © Google

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