Rock Hill weather in September 2025

Expect 28°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Rock Hill in September. Check more long-term weather averages for Rock Hill in September before you book your next holiday to South Carolina in 2025/2026.

  • 28°C maximum daytime temperature in September in Rock Hill28
    28°C max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in September in Rock Hill7
    7 days with some rainfall
  • 17°C minimum night-time temperature in September in Rock Hill17
    17°C min night temperature
  • 12 hours of daylight per day in September in Rock Hill12
    12 hours of daylight per day
  • Moderate heat & humidity in September in Rock HillM
    Moderate heat & humidity
  • 103 mm monthly rainfall in September in Rock Hill103
    103 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Rock Hill8
    8 (Very High) UV index

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The September weather guide for South Carolina (Rock Hill) 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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How hot is it in Rock Hill in September?

Daytime temperatures usually reach 28°C in Rock Hill in September with moderate heat and humidity, falling to 17°C at night.

How sunny is it in Rock Hill in September?

There are normally 8 hours of bright sunshine each day in Rock Hill in September - that's 64% of daylight hours.

Does it rain in Rock Hill in September?

There are usually 7 days with some rain in Rock Hill in September and the average monthly rainfall is 103mm.

What is the chance of a hurricane in Rock Hill in September?

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

Rock Hill September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:57 18:50
Monday, 15th September 2025 06:07 18:30
Tuesday, 30th September 2025 06:18 18:09

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