The temperatures in Rock Hill in September are comfortable with low of 19°C and and high up to 29°C.
You can expect about 3 to 8 days of rain in Rock Hill during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Rock Hill in September 2025.
If you’re planning to visit Rock Hill in the near future, we highly recommend that you review the 14 day weather forecast for Rock Hill before you arrive.
Temperatures
29° / 19°
Rainy Days
5
Snowy Days
0
Dry Days
25
Rainfall
121
mm
Sun Hours
10.5
Hrs
