S
M
T
W
T
F
S
30
81°
50°
31
N/A
1
66°
58°
2
67°
58°
3
70°
59°
4
79°
55°
5
72°
52°
6
72°
49°
7
77°
51°
8
75°
50°
9
79°
56°
10
78°
55°
11
78°
50°
12
72°
49°
13
73°
51°
14
77°
51°
15
71°
50°
16
72°
52°
17
76°
51°
18
67°
48°
19
69°
47°
20
69°
50°
21
74°
51°
22
75°
51°
23
75°
50°
24
74°
49°
25
73°
48°
26
74°
48°
27
73°
49°
28
73°
48°
29
72°
45°
30
64°
42°
1
62°
41°
2
62°
46°
3
70°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Shapleigh
Shapleigh's September 2026 forecast shows daily high temperatures ranging from 62° to 79°, with overnight lows between 41° and 59°. The average high for September is 72° 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 Shapleigh. See also: October | November | December.
