Yreka Weather in September

The climate in Yreka during September can be summarized as mild and dry.

September is in the fall / autumn in Yreka and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (80°F), whilst at night 6°C (43°F) is normal.

On average September is the 3rd driest month of the year in Yreka with around 19mm 0.7 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.2 hours of sunshine per day.

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 Yreka in September 2025.