Hilton Head Island Weather in September

What's the weather like in Hilton Head Island (South Carolina) in September 2024?

The climate in Hilton Head Island during September can be summarized as hot, humid and wet.

September is in the fall / autumn in Hilton Head Island and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (84°F), whilst at night 21°C (69°F) is normal.

Hilton Head Island weather averages (imperial / metric)
Daytime temperature 28.9°C 84°F
Nightly temperature 20.5°C 68.9°F
Average temperature 24.7°C 76.5°F
Daily sunshine 7.7 hrs
Avg rainfall 134 mm 5.3 ins
Rainy days 10 days
Sea temperature 27.4°C 81.3°F
Humidity 78%
Windspeed 11.9kph 7 mph

On average September is the 4th wettest month of the year in Hilton Head Island with around 134mm 5.3 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 7.7 hours of sunshine per day.

September temperatures in Hilton Head Island

Hilton Head Island average temperature in September

September rainfall

Hilton Head Island average rain in September

September hourly sunshine

Hilton Head Island 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 Hilton Head Island in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Hilton Head Island weather stats

Hilton Head Island weather statistics
Hottest month: July 31.8°C 89.2°F
Driest month: November 56mm 2.2ins
Sunniest month: April 9.8hrs
Coldest month: January 14°C 57.2°F
Wettest month: August 193mm 7.6ins
Map showing location of Hilton Head Island (32.21632, -80.75261) Hilton Head Island map pin © Google

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