S
M
T
W
T
F
S
30
82°
63°
31
84°
65°
1
88°
66°
2
88°
68°
3
87°
68°
4
87°
62°
5
83°
60°
6
82°
61°
7
82°
62°
8
84°
65°
9
83°
66°
10
82°
65°
11
86°
64°
12
87°
66°
13
87°
65°
14
86°
66°
15
86°
65°
16
85°
65°
17
85°
64°
18
84°
61°
19
84°
61°
20
83°
56°
21
78°
60°
22
78°
61°
23
79°
59°
24
83°
55°
25
80°
54°
26
78°
60°
27
79°
59°
28
75°
54°
29
80°
57°
30
81°
57°
1
79°
58°
2
80°
57°
3
75°
57°
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 75° to 88°, with overnight lows between 54° and 68°. The average high for September is 83° with an average low of 61°. 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.
