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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 based on long-term weather averages. There is usually 7 days with some rainfall and 103 mm of average monthly rainfall in September.
- 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
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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