Barnwell Weather in September

What's the weather like in Barnwell (South Carolina) in September 2024?

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

September is in the fall / autumn in Barnwell and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 17°C (63°F) is normal.

Barnwell weather averages (imperial / metric)
Daytime temperature 30.2°C 86.4°F
Nightly temperature 17.4°C 63.3°F
Average temperature 23.8°C 74.8°F
Daily sunshine 7.9 hrs
Avg rainfall 82 mm 3.2 ins
Rainy days 8 days
Sea temperature 26.7°C 80.1°F
Humidity 77%
Windspeed 10.8kph 7 mph

On average September is the 4th driest month of the year in Barnwell with around 82mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.9 hours of sunshine per day.

September temperatures in Barnwell

Barnwell average temperature in September

September rainfall

Barnwell average rain in September

September hourly sunshine

Barnwell 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 Barnwell in September 2024.