S
M
T
W
T
F
S
30
86°
77°
31
87°
76°
1
86°
77°
2
86°
77°
3
85°
78°
4
88°
78°
5
87°
77°
6
88°
78°
7
88°
77°
8
87°
76°
9
88°
76°
10
85°
77°
11
85°
76°
12
86°
74°
13
85°
76°
14
86°
76°
15
86°
77°
16
85°
78°
17
86°
77°
18
87°
78°
19
86°
77°
20
87°
78°
21
86°
77°
22
86°
77°
23
88°
77°
24
87°
77°
25
88°
77°
26
Hist. Avg.
86°
77°
27
Hist. Avg.
86°
77°
28
Hist. Avg.
86°
77°
29
Hist. Avg.
86°
77°
30
Hist. Avg.
86°
77°
1
Hist. Avg.
86°
77°
2
Hist. Avg.
86°
77°
3
Hist. Avg.
86°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Carolinas
Carolinas's September 2026 forecast shows daily high temperatures ranging from 85° to 88°, with overnight lows between 74° and 78°. The average high for September is 86° with an average low of 77°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Carolinas. See also: October | November | December.
