S
M
T
W
T
F
S
30
75°
54°
31
75°
54°
1
74°
49°
2
68°
46°
3
67°
47°
4
67°
45°
5
68°
45°
6
71°
52°
7
74°
52°
8
73°
51°
9
69°
52°
10
74°
52°
11
74°
51°
12
73°
52°
13
74°
53°
14
75°
42°
15
66°
42°
16
63°
43°
17
65°
42°
18
65°
40°
19
63°
41°
20
64°
41°
21
70°
44°
22
71°
47°
23
70°
39°
24
70°
38°
25
64°
38°
26
64°
40°
27
67°
46°
28
68°
45°
29
68°
36°
30
62°
36°
1
60°
40°
2
61°
41°
3
65°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in East Windham
East Windham's September 2026 forecast shows daily high temperatures ranging from 60° to 75°, with overnight lows between 36° and 54°. The average high for September is 68° with an average low of 45°. 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 East Windham. See also: October | November | December.
