Weather in Chapel Hill: September
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Average day temperature: | 80.1°F |
| Average night temperature: | 65.5°F | |
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Number of sunny days: | 13 days |
| Day length: | 11.8 - 12.9 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.6 in. | |
| more information | ||
14 days
forecast
forecast
| Chapel Hill |
weather in
October
October
| Chapel Hill |
Air temperature in September, °F
Show year:
2025
2024
2023
The highest day temperature during September of 2025 was 93°F. At the same time the lowest night temperature was 57°F. Daily and nightly averages during September were 79.9°F and 65.0°F.
Sunny, partly cloudy and cloudy days
Mostly all days in September are sunny but cloudy days are also possible.
Precipitation total in September, in.
Precipitation total value in Chapel Hill in September is 1.6 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 5.6 mph It makes September one of the least windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.7.
Best time for vacation in Chapel Hill
Chapel Hill on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Chapel Hill
Local time: 09:29
July 21, tuesday
1200
93°F
NE
14 mph
14 mph
1500
95°F
NE
12 mph
12 mph
1800
97°F
SE
13 mph
13 mph
2100
73°F
NW
5 mph
5 mph
July 22, wednesday
0000
73°F
N
6 mph
6 mph
0300
73°F
NE
8 mph
8 mph
0600
73°F
NE
8 mph
8 mph
0900
77°F
NE
9 mph
9 mph
