Charleston weather in September
Warm and pleasant, with some rainy days. Average highs of 28°C and lows of 22°C, with around 14 rainy days expected throughout the month.
While September isn't our top-rated month for Charleston, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
28°C
Average low
22°C
Rainy days
14 days
Best months to visit
April, May, October
What to do in Charleston in September
Whatever the weather, Charleston rewards curious visitors. Here are some of the best ways to spend your time:
Explore
Dine
Culture
Nature
Shopping
Day trips
What to pack for September
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
14C
Cool, with occasional showers.
February
17C
Cool, with occasional showers.
March
19C
Mild and comfortable, with occasional showers.
Recommended
April
23C
Mild and comfortable, with occasional showers.
Recommended
May
26C
Warm and pleasant, with some rainy days.
June
29C
Warm and pleasant, with regular rainfall.
July
31C
Hot and humid, with regular rainfall.
August
30C
Hot and humid, with regular rainfall.
September (you are here)
28C
Warm and pleasant, with some rainy days.
Recommended
October
24C
Mild and comfortable, with occasional showers.
November
19C
Mild and comfortable, with occasional showers.
December
17C
Cool, with occasional showers.
Book your September trip to Charleston
Find hotels, tours and experiences for the perfect escape.
