Sacramento Weather in September

What's the weather like in Sacramento (California) in September 2025?

The climate in Sacramento during September can be summarized as warm and very dry.

September is in the fall / autumn in Sacramento and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 31°C (87°F), whilst at night 13°C (56°F) is normal.

Sacramento weather averages (imperial / metric)
Daytime temperature 30.7°C 87.2°F
Nightly temperature 13.2°C 55.7°F
Average temperature 21.9°C 71.4°F
Daily sunshine 12.4 hrs
Avg rainfall 7 mm 0.3 ins
Rainy days 2 days
Sea temperature 15°C 58.9°F
Humidity 56%
Windspeed 12.6kph 8 mph

On average September is the 4th driest month of the year in Sacramento with around 7mm 0.3 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 12.4 hours of sunshine per day.

September temperatures in Sacramento

Sacramento average temperature in September

September rainfall

Sacramento average rain in September

September hourly sunshine

Sacramento 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 Sacramento in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Sacramento weather stats

Sacramento weather statistics
Hottest month: July 33.6°C 92.5°F
Driest month: July 1mm 0ins
Sunniest month: July 15.1hrs
Coldest month: January 11.2°C 52.2°F
Wettest month: January 103mm 4.1ins
Map showing location of Sacramento (38.58157, -121.4944) Sacramento map pin © Google

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