S
M
T
W
T
F
S
30
69°
50°
31
70°
51°
1
69°
52°
2
71°
50°
3
70°
49°
4
68°
50°
5
69°
52°
6
68°
47°
7
70°
50°
8
69°
50°
9
70°
51°
10
72°
47°
11
68°
50°
12
68°
46°
13
70°
50°
14
70°
48°
15
69°
44°
16
66°
46°
17
68°
44°
18
69°
48°
19
69°
50°
20
68°
50°
21
69°
49°
22
69°
49°
23
67°
46°
24
68°
48°
25
66°
48°
26
65°
47°
27
67°
48°
28
65°
47°
29
67°
45°
30
62°
40°
1
61°
48°
2
62°
46°
3
Hist. Avg.
61°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Charlton
Charlton's September 2026 forecast shows daily high temperatures ranging from 61° to 72°, with overnight lows between 40° and 52°. The average high for September is 68° with an average low of 48°. 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 Charlton. See also: October | November | December.
