S
M
T
W
T
F
S
30
84°
54°
31
79°
57°
1
69°
62°
2
79°
61°
3
82°
62°
4
85°
59°
5
80°
53°
6
78°
52°
7
81°
46°
8
82°
56°
9
80°
67°
10
84°
57°
11
78°
46°
12
78°
58°
13
79°
58°
14
81°
58°
15
78°
60°
16
77°
51°
17
74°
52°
18
71°
51°
19
72°
47°
20
69°
48°
21
71°
49°
22
67°
53°
23
67°
52°
24
69°
52°
25
71°
51°
26
72°
49°
27
68°
45°
28
68°
48°
29
73°
51°
30
74°
51°
1
73°
50°
2
72°
51°
3
70°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Chicopee
Chicopee's September 2026 forecast shows daily high temperatures ranging from 67° to 84°, with overnight lows between 45° and 67°. The average high for September is 74° with an average low of 52°. 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 Chicopee. See also: October | November | December.
