DeBary Weather in September

What's the weather like in DeBary (Florida) in September 2025?

The climate in DeBary during September can be summarized as hot, humid and wet.

September is in the fall / autumn in DeBary and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 22°C (71°F) is normal.

DeBary weather averages (imperial / metric)
Daytime temperature 31.3°C 88.3°F
Nightly temperature 21.9°C 71.4°F
Average temperature 26.6°C 79.9°F
Daily sunshine 8.2 hrs
Avg rainfall 168 mm 6.6 ins
Rainy days 13 days
Sea temperature 28.7°C 83.6°F
Humidity 79%
Windspeed 11.5kph 7 mph

On average September is the 2nd wettest month of the year in DeBary with around 168mm 6.6 inches of rain making it a wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.2 hours of sunshine per day.

September temperatures in DeBary

DeBary average temperature in September

September rainfall

DeBary average rain in September

September hourly sunshine

DeBary average rain in September

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 DeBary in September 2025.