Willows Weather in September

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

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

September is in the fall / autumn in Willows and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 31°C (88°F), whilst at night 13°C (55°F) is normal.

Willows weather averages (imperial / metric)
Daytime temperature 31°C 87.8°F
Nightly temperature 12.8°C 55°F
Average temperature 21.9°C 71.4°F
Daily sunshine 11.8 hrs
Avg rainfall 9 mm 0.4 ins
Rainy days 2 days
Sea temperature 14.1°C 57.3°F
Humidity 59%
Windspeed 12.6kph 8 mph

On average September is the 4th driest month of the year in Willows with around 9mm 0.4 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 11.8 hours of sunshine per day.

September temperatures in Willows

Willows average temperature in September

September rainfall

Willows average rain in September

September hourly sunshine

Willows 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 Willows 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

Willows weather stats

Willows weather statistics
Hottest month: July 33.6°C 92.5°F
Driest month: July 1mm 0ins
Sunniest month: July 14.4hrs
Coldest month: January 12.3°C 54.1°F
Wettest month: January 98mm 3.9ins
Map showing location of Willows (39.52433, -122.19359) Willows map pin © Google

Locations nearby

Top United States locations