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South Carolina weather in September 2025
Expect 29°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in South Carolina in September. Check more long-term weather averages for South Carolina in September before you book your next holiday to South Carolina in 2025/2026.
- 29°C max day temperature
29 - 8 hours of sunshine per day
- 7 days with some rainfall
7 - 17°C min night temperature
17 - 12 hours of daylight per day
12 - Moderate heat & humidity
M - 96 mm of monthly rainfall
96 - 8 (Very High) UV index
8
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Recommended for South Carolina
The September weather guide for South Carolina (Columbia) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top South Carolina destinations
Below are average maximum temperatures at popular countries, regions and places in South Carolina in September. Select a holiday destination to see more weather parameters.
All South Carolina destinations
- Aiken
- Charleston
- Columbia
- Florence
- Greenville
- Greenwood
- Hilton Head Island
- Myrtle Beach
- Orangeburg
- Rock Hill
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in South Carolina in September?
Daytime temperatures usually reach 29°C in Columbia, South Carolina in September with moderate heat and humidity, falling to 17°C at night.
How sunny is it in South Carolina in September?
There are normally 8 hours of bright sunshine each day in Columbia, South Carolina in September - that's 63% of daylight hours.
Does it rain in South Carolina in September?
There are usually 7 days with some rain in Columbia, South Carolina in September and the average monthly rainfall is 96mm.
What is the chance of a hurricane in South Carolina in September?
On average less than 1 day in September in Columbia, South Carolina is likely to be affected by the passage of one or more tropical storms.
South Carolina September sunrise & sunset times
Browse the sunrise and sunset times for South Carolina in September 2025. Select a month to view South Carolina sunrise and sunset times for the next 12 months. The South Carolina sunrise and sunset times shown below are for Columbia.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st September 2025 | 05:58 | 18:50 |
| Monday, 15th September 2025 | 06:08 | 18:30 |
| Tuesday, 30th September 2025 | 06:18 | 18:09 |
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