S
M
T
W
T
F
S
30
71°
62°
31
76°
65°
1
81°
68°
2
78°
61°
3
75°
54°
4
74°
52°
5
71°
51°
6
72°
51°
7
75°
48°
8
76°
52°
9
73°
64°
10
68°
56°
11
70°
42°
12
80°
52°
13
68°
55°
14
64°
46°
15
70°
51°
16
68°
48°
17
69°
49°
18
62°
44°
19
67°
41°
20
67°
50°
21
57°
49°
22
60°
40°
23
64°
43°
24
70°
39°
25
68°
40°
26
72°
43°
27
72°
45°
28
70°
47°
29
72°
51°
30
71°
55°
1
69°
53°
2
65°
47°
3
65°
47°
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 65° to 72°, with overnight lows between 39° and 55°. The average high for September is 69° with an average low of 47°. 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.
