Charleston in September
September in Charleston brings highs around 85°F (30°C), lows near 68°F and about 10 rainy days. The sun sets around 7:27 pm. It's a fair month: plan indoor backups.
Photo: Khanrak, CC BY-SA 3.0
What September is good for in Charleston
Each activity rated for September's weather.
Boat toursGood in September
Sunset cruisesGood in September
Kayak toursGood in September
Cooking classesAny month
Walking toursFair in September
Food toursFair in September
Day tripsFair in September
Bike toursFair in September
Zipline toursFair in September
Segway toursFair in September
Private toursFair in September
Helicopter toursFair in September
Hot air balloon ridesFair in September
September next to August and October
| Month | August | September | October |
|---|---|---|---|
| High | 90°F (32°C) | 85°F (30°C) | 78°F (26°C) |
| Low | 73°F (23°C) | 68°F (20°C) | 58°F (14°C) |
| Rainy days | 13 | 10 | 7 |
| Sunset | 8:05 pm | 7:27 pm | 6:47 pm |
| Daylight | 13 h 22 min | 12 h 24 min | 11 h 23 min |
Averages for Charleston Int'l, South Carolina, 1991–2020; sunrise and sunset on the 15th.
Tours in Charleston
Historic Charleston Guided Sightseeing Walking TourFrom $30View 
Charleston Horse-Drawn Carriage Tour: Explore Historic CharlestonFrom $50View 
Charleston’s Old South Carriage Historic Horse & Carriage TourFrom $50View 
Haunted Evening Horse and Carriage Tour of CharlestonFrom $45View 
Charleston Haunted Booze and Boos Ghost Walking TourFrom $39View 
Charleston See-It-All City Bus Tour with Adventure SightseeingFrom $40View
Tours from Viator. Good Outing may earn a commission when you book, at no cost to you.
Questions
Is September a good time to visit Charleston?
It's a fair month: plan indoor backups. The most comfortable months overall are January, February, March, April, October and November.
How hot is Charleston in September?
Average highs are about 85°F (30°C) and lows about 68°F (20°C).
Does it rain much in Charleston in September?
September averages 10 rainy days, against 13 in the wettest month.
