S
M
T
W
T
F
S
30
86°
72°
31
92°
69°
1
96°
73°
2
98°
74°
3
97°
74°
4
98°
74°
5
95°
71°
6
88°
70°
7
86°
67°
8
86°
66°
9
85°
65°
10
88°
68°
11
91°
66°
12
86°
63°
13
84°
62°
14
86°
63°
15
85°
66°
16
80°
66°
17
78°
65°
18
81°
65°
19
78°
63°
20
77°
60°
21
77°
60°
22
78°
61°
23
80°
62°
24
83°
65°
25
82°
64°
26
76°
63°
27
75°
64°
28
77°
63°
29
74°
62°
30
77°
62°
1
73°
61°
2
73°
61°
3
75°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Charlotte
Charlotte's September 2026 forecast shows daily high temperatures ranging from 73° to 98°, with overnight lows between 60° and 74°. The average high for September is 83° with an average low of 65°. 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 Charlotte. See also: October | November | December.