S
M
T
W
T
F
S
30
87°
75°
31
88°
75°
1
88°
74°
2
87°
75°
3
88°
75°
4
87°
74°
5
89°
74°
6
89°
75°
7
90°
75°
8
90°
74°
9
88°
75°
10
89°
76°
11
91°
75°
12
91°
74°
13
90°
74°
14
91°
73°
15
91°
74°
16
90°
73°
17
91°
74°
18
91°
74°
19
90°
73°
20
90°
75°
21
89°
74°
22
90°
74°
23
90°
73°
24
89°
74°
25
90°
75°
26
89°
73°
27
90°
73°
28
89°
75°
29
90°
74°
30
91°
74°
1
89°
73°
2
90°
74°
3
89°
74°
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 87° to 91°, with overnight lows between 73° and 76°. The average high for September is 89° with an average low of 74°. 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.
