Jamestown Weather in September

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

September is in the spring in Jamestown and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 5°C (40°F) is normal.

On average September is the 3rd wettest month of the year in Jamestown with around 63mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.5 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 Jamestown in September 2024.