Borrego Springs Weather in September

The climate in Borrego Springs during September can be summarized as warm and dry.

September is in the fall / autumn in Borrego Springs and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 31°C (87°F), whilst at night 14°C (58°F) is normal.

On average September is the 4th driest month of the year in Borrego Springs with around 11mm 0.4 inches of rain making it a dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.2 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 Borrego Springs in September 2025.