Hollis Weather in September

The climate in Hollis during September can be summarized as warm and reasonably dry.

September is in the fall / autumn in Hollis and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (86°F), whilst at night 16°C (60°F) is normal.

On average September is the 3rd wettest month of the year in Hollis with around 78mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.5 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 Hollis in September 2025.