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 maximum daytime temperature in September in South Carolina (Columbia)29
    29°C max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in September in South Carolina (Columbia)7
    7 days with some rainfall
  • 17°C minimum night-time temperature in September in South Carolina (Columbia)17
    17°C min night temperature
  • 12 hours of daylight per day in September in South Carolina (Columbia)12
    12 hours of daylight per day
  • Moderate heat & humidity in September in South Carolina (Columbia)M
    Moderate heat & humidity
  • 96 mm monthly rainfall in September in South Carolina (Columbia)96
    96 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in South Carolina (Columbia)8
    8 (Very High) UV index

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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

Metric (°C / mm)  |  Imperial (°F / inches)

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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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