Florida City Weather in September

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

The climate in Florida City during September can be summarized as hot, humid and very wet.

September is in the fall / autumn in Florida City and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 23°C (73°F) is normal.

Florida City weather averages (imperial / metric)
Daytime temperature 31.7°C 89.1°F
Nightly temperature 22.9°C 73.2°F
Average temperature 27.3°C 81.1°F
Daily sunshine 9.2 hrs
Avg rainfall 220 mm 8.7 ins
Rainy days 17 days
Sea temperature 29.4°C 85°F
Humidity 78%
Windspeed 13.7kph 9 mph

On average September is the 2nd wettest month of the year in Florida City with around 220mm 8.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.2 hours of sunshine per day.

September temperatures in Florida City

Florida City average temperature in September

September rainfall

Florida City average rain in September

September hourly sunshine

Florida City 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 Florida City in September 2025.