United States
Charleston in September
🍂 AutumnWarm, humid and often rainy. Watch for tropical cyclone risk.
🎒 Pack: compact umbrella or rain jacket · quick-dry fabrics
Why September scores 8.2What goes into the score
How it works- Weather comfort7.6
- ✓Warm (29.4°C highs / 21.5°C lows)
- !Very humid/sticky (dew point 21.2°C)
- !Wet: ~142 mm rain, ~4 heavy-rain days
- Air quality9.5
- ✓Good (within WHO guideline) (PM2.5 ~8 µg/m³)
- Seasonal hazards8.5
- !Tropical cyclone: Peak of the Atlantic/Caribbean hurricane season
- Safety baseline7.5
- ·Increased caution
| Sep | Mar | |
|---|---|---|
| Score | 8.2 Very good | 9.2 Excellent |
| Season | 🍂 Autumn | 🌷 Spring |
| High / low | 29° / 22° | 21° / 10° |
| Rain | 142 mm | 74 mm |
| Humidity | dew pt 21° | dew pt 11° |
| PM2.5 | 8 µg/m³ | 9 µg/m³ |
Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast).
Holidays & crowdsSeptember 2027
Long weekendThere's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.
- Labor Day 4–6 Sep · 3 days off in a row
National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).
Explore CharlestonEvents, sights, food & souvenirs
Check event dates locallyA historic port city in South Carolina known for antebellum architecture, Lowcountry cooking and a complex history of slavery and the Civil War.
No major events on our calendar for September.
Coming up later
Charleston Wine + FoodDate variesUsually early March
A food festival featuring Southern chefs and tastings.
Why go: Events are ticketed.
Where: Venues across the city
Cooper River Bridge RunDate variesUsually late March or early April
A huge 10K race over the Arthur Ravenel Jr. Bridge.
Why go: Traffic disruptions around the route.
Where: Ravenel Bridge to downtown
Spoleto Festival USADate variesUsually late May to early June
A major performing arts festival of music, opera, theatre and dance.
Why go: Popular performances sell out ahead.
Where: Venues across the city
Historic District and Rainbow Row
Streets of preserved 18th- and 19th-century houses, including a row painted in pastel colours.
The Battery and White Point Garden
A seawall promenade with views of the harbour.
Fort Sumter National Monument
The fort where the first shots of the Civil War were fired, reached by boat.
Charleston City Market
A long market where Gullah artisans weave sweetgrass baskets.
McLeod Plantation Historic Site
A former plantation that focuses on the lives of the enslaved people who lived there.
Waterfront Park
A riverside park known for its pineapple fountain.
Shrimp and grits
Local shrimp over creamy stone-ground grits.
She-crab soup
A rich crab soup finished with crab roe and sherry.
Lowcountry boil
Shrimp, sausage, corn and potatoes boiled together.
Hoppin' John
Rice and field peas, traditionally eaten on New Year's Day.
Benne wafers
Thin sesame seed cookies with roots in West African cooking.
Sweetgrass baskets
Coiled baskets made by Gullah artisans, a craft with West African roots.
💡 Charleston City Market and roadside stands
Benne wafers
Tins of sesame cookies.
💡 Food and gift shops
Stone-ground grits
Locally milled grits.
💡 Food shops
Airport transfer Kiwitaxi
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