S
M
T
W
T
F
S
30
87°
56°
31
80°
55°
1
79°
61°
2
79°
59°
3
82°
55°
4
83°
61°
5
85°
61°
6
86°
54°
7
82°
54°
8
77°
52°
9
77°
53°
10
81°
56°
11
83°
54°
12
79°
53°
13
74°
51°
14
75°
58°
15
79°
57°
16
82°
50°
17
81°
49°
18
73°
48°
19
72°
49°
20
73°
54°
21
71°
54°
22
72°
49°
23
71°
50°
24
71°
49°
25
72°
54°
26
75°
54°
27
77°
47°
28
77°
45°
29
70°
52°
30
70°
52°
1
69°
53°
2
71°
51°
3
72°
44°
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 69° to 87°, with overnight lows between 44° and 61°. The average high for September is 77° with an average low of 53°. 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.
