Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
September verdict
Very good for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 7.8h per day, enough for a balanced month. Rainfall averages 102mm, so some wet days are possible.
Monthly averages
Temp
28°C
Rain
102mm
Sun
7.8h
Weather score
75
Very good
Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 102mm, so some wet days are possible.
Some sun
Sunshine averages 7.8h per day, enough for a balanced month.
Map
Compare Rock Hill, South Carolina, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
September28°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
September102mm average rain
September sits near Rock Hill's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to February, April to June, and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September7.8 hours average sun
September sits close to Rock Hill's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
September75 weather score
September scores above Rock Hill's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsMay to September
These months have the strongest weather score in the monthly averages.