Sanibel Weather in October

The climate in Sanibel during October can be summarized as hot, humid and a little damp.

October is in the fall / autumn in Sanibel and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 20°C (69°F) is normal.

On average October is the 6th wettest month of the year in Sanibel with around 85mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.6 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 Sanibel in October 2025.