S
M
T
W
T
F
S
30
85°
60°
31
82°
61°
1
84°
61°
2
83°
60°
3
84°
61°
4
84°
60°
5
83°
59°
6
83°
58°
7
82°
59°
8
83°
59°
9
82°
58°
10
82°
57°
11
81°
55°
12
83°
57°
13
83°
57°
14
82°
56°
15
83°
58°
16
80°
57°
17
81°
58°
18
81°
55°
19
76°
48°
20
75°
55°
21
74°
57°
22
75°
48°
23
73°
47°
24
72°
48°
25
72°
52°
26
76°
54°
27
70°
47°
28
70°
47°
29
69°
46°
30
70°
51°
1
70°
52°
2
71°
44°
3
69°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Charles Town District
Charles Town District's September 2026 forecast shows daily high temperatures ranging from 69° to 85°, with overnight lows between 42° and 61°. The average high for September is 78° with an average low of 54°. 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 District. See also: October | November | December.