S
M
T
W
T
F
S
30
80°
55°
31
74°
64°
1
70°
60°
2
74°
59°
3
79°
65°
4
83°
66°
5
77°
61°
6
73°
56°
7
79°
54°
8
82°
56°
9
78°
70°
10
83°
60°
11
78°
47°
12
76°
58°
13
76°
63°
14
79°
58°
15
76°
63°
16
79°
54°
17
74°
54°
18
73°
50°
19
73°
49°
20
68°
49°
21
70°
51°
22
67°
55°
23
67°
54°
24
69°
54°
25
69°
53°
26
71°
52°
27
67°
50°
28
67°
53°
29
72°
53°
30
73°
52°
1
72°
53°
2
71°
53°
3
71°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Carolina
Carolina's September 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 47° and 70°. The average high for September is 73° with an average low of 54°. 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 Carolina. See also: October | November | December.
