S
M
T
W
T
F
S
30
78°
53°
31
79°
52°
1
77°
53°
2
78°
56°
3
77°
53°
4
78°
52°
5
78°
51°
6
77°
52°
7
76°
49°
8
77°
50°
9
76°
56°
10
76°
50°
11
75°
48°
12
75°
49°
13
76°
51°
14
78°
52°
15
79°
54°
16
80°
54°
17
81°
53°
18
80°
52°
19
79°
52°
20
78°
45°
21
72°
48°
22
72°
51°
23
75°
51°
24
76°
52°
25
77°
48°
26
76°
43°
27
71°
43°
28
69°
44°
29
69°
44°
30
67°
42°
1
67°
47°
2
Hist. Avg.
71°
50°
3
Hist. Avg.
70°
49°
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 81°, with overnight lows between 42° and 56°. The average high for September is 76° with an average low of 50°. 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.
