Greenville weather in September 2025

Expect 27°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Greenville in September. Check more long-term weather averages for Greenville in September before you book your next holiday to South Carolina in 2025/2026.

  • 27°C maximum daytime temperature in September in Greenville27
    27°C max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in September in Greenville8
    8 days with some rainfall
  • 16°C minimum night-time temperature in September in Greenville16
    16°C min night temperature
  • 12 hours of daylight per day in September in Greenville12
    12 hours of daylight per day
  • Moderate heat & humidity in September in GreenvilleM
    Moderate heat & humidity
  • 102 mm monthly rainfall in September in Greenville102
    102 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Greenville8
    8 (Very High) UV index

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The September weather guide for South Carolina (Greenville) 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.

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

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More about the USA

How hot is it in Greenville in September?

Daytime temperatures usually reach 27°C in Greenville in September with moderate heat and humidity, falling to 16°C at night.

How sunny is it in Greenville in September?

There are normally 7 hours of bright sunshine each day in Greenville in September - that's 60% of daylight hours.

Does it rain in Greenville in September?

There are usually 8 days with some rain in Greenville in September and the average monthly rainfall is 102mm.

What is the chance of a hurricane in Greenville in September?

On average less than 1 day in September in Greenville is likely to be affected by the passage of one or more tropical storms.

Greenville September sunrise & sunset times

Browse the sunrise and sunset times for Greenville in September 2025. Select a month to view Greenville sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:03 18:56
Monday, 15th September 2025 06:13 18:36
Tuesday, 30th September 2025 06:24 18:15

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