Seaside Weather in September

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

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

September is in the fall / autumn in Seaside and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 20°C (68°F) is normal.

Seaside weather averages (imperial / metric)
Daytime temperature 31.1°C 87.9°F
Nightly temperature 19.8°C 67.7°F
Average temperature 25.5°C 77.8°F
Daily sunshine 8.4 hrs
Avg rainfall 156 mm 6.1 ins
Rainy days 10 days
Sea temperature 28.3°C 83°F
Humidity 76%
Windspeed 11.3kph 7 mph

On average September is the 3rd wettest month of the year in Seaside with around 156mm 6.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.4 hours of sunshine per day.

September temperatures in Seaside

Seaside average temperature in September

September rainfall

Seaside average rain in September

September hourly sunshine

Seaside 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 Seaside in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Seaside weather stats

Seaside weather statistics
Hottest month: July 32.5°C 90.5°F
Driest month: November 81mm 3.2ins
Sunniest month: May 10.5hrs
Coldest month: January 16.2°C 61.2°F
Wettest month: July 185mm 7.3ins
Map showing location of Seaside (30.32103, -86.14161) Seaside map pin © Google

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