S
M
T
W
T
F
S
30
68°
48°
31
68°
50°
1
69°
52°
2
72°
54°
3
74°
55°
4
75°
54°
5
74°
55°
6
75°
54°
7
74°
53°
8
72°
52°
9
72°
52°
10
74°
53°
11
71°
53°
12
72°
52°
13
72°
52°
14
73°
51°
15
73°
51°
16
72°
50°
17
72°
51°
18
71°
51°
19
72°
50°
20
70°
50°
21
72°
47°
22
71°
40°
23
66°
39°
24
64°
46°
25
69°
48°
26
68°
47°
27
69°
47°
28
69°
46°
29
70°
49°
30
71°
48°
1
70°
44°
2
68°
44°
3
66°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Chesley
Chesley's September 2026 forecast shows daily high temperatures ranging from 64° to 75°, with overnight lows between 39° and 55°. The average high for September is 71° with an average low of 50°. 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 Chesley. See also: October | November | December.
