S
M
T
W
T
F
S
30
86°
61°
31
83°
69°
1
94°
71°
2
89°
71°
3
91°
70°
4
91°
68°
5
80°
64°
6
81°
59°
7
80°
56°
8
85°
55°
9
90°
60°
10
86°
71°
11
80°
64°
12
78°
64°
13
87°
69°
14
77°
54°
15
77°
47°
16
88°
55°
17
85°
65°
18
82°
69°
19
77°
62°
20
80°
69°
21
70°
60°
22
60°
56°
23
63°
52°
24
64°
43°
25
72°
50°
26
75°
54°
27
70°
56°
28
68°
55°
29
71°
50°
30
77°
56°
1
76°
56°
2
73°
50°
3
70°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Charles Town
Charles Town's September 2026 forecast shows daily high temperatures ranging from 64° to 77°, with overnight lows between 43° and 56°. The average high for September is 72° with an average low of 52°. 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 Charles Town. See also: October | November | December.
