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Rock Hill weather in September 2025
Expect daytime maximum temperatures of 28°C in Rock Hill, South Carolina in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 103 mm of rainfall in the month.
- 28°C max day temperature
28 - 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 - 103 mm of monthly rainfall
103 - 8 (Very High) UV index
8
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Recommended for South Carolina
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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)
More about the USA
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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