Crandon Weather in September

The climate in Crandon during September can be summarized as mild and damp.

September is in the fall / autumn in Crandon and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 18°C (65°F), whilst at night 6°C (42°F) is normal.

On average September is the 2nd wettest month of the year in Crandon with around 102mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 7 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 Crandon in September 2025.