Sanderson Weather in September

The climate in Sanderson during September can be summarized as hot and reasonably dry.

September is in the fall / autumn in Sanderson and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 31°C (88°F), whilst at night 18°C (64°F) is normal.

On average September is the wettest month of the year in Sanderson with around 66mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.2 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 Sanderson in September 2025.