S
M
T
W
T
F
S
30
84°
59°
31
79°
60°
1
69°
61°
2
74°
61°
3
83°
62°
4
84°
65°
5
79°
57°
6
72°
52°
7
79°
53°
8
83°
57°
9
82°
67°
10
86°
61°
11
78°
47°
12
78°
55°
13
82°
58°
14
81°
55°
15
76°
57°
16
77°
54°
17
74°
51°
18
73°
52°
19
75°
53°
20
74°
50°
21
75°
53°
22
67°
53°
23
68°
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 Longmeadow
Longmeadow's September 2026 forecast shows daily high temperatures ranging from 67° to 86°, with overnight lows between 45° and 67°. The average high for September is 75° with an average low of 53°. 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 Longmeadow. See also: October | November | December.
