Big Pine Key Weather in September

The climate in Big Pine Key during September can be summarized as hot, humid and wet.

September is in the fall / autumn in Big Pine Key and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (89°F), whilst at night 24°C (76°F) is normal.

On average September is the wettest month of the year in Big Pine Key with around 178mm 7 inches of rain making it a wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.4 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 Big Pine Key in September 2024.