S
M
T
W
T
F
S
30
68°
60°
31
73°
60°
1
74°
59°
2
74°
57°
3
70°
58°
4
71°
59°
5
72°
55°
6
71°
57°
7
69°
57°
8
71°
56°
9
69°
57°
10
67°
55°
11
66°
51°
12
65°
53°
13
65°
52°
14
66°
56°
15
66°
57°
16
69°
55°
17
68°
57°
18
69°
54°
19
70°
50°
20
64°
55°
21
65°
53°
22
65°
51°
23
66°
51°
24
64°
54°
25
64°
56°
26
65°
53°
27
67°
50°
28
66°
48°
29
63°
48°
30
62°
49°
1
61°
46°
2
62°
48°
3
63°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sandwich
Sandwich's September 2026 forecast shows daily high temperatures ranging from 61° to 74°, with overnight lows between 46° and 60°. The average high for September is 67° with an average low of 54°. 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 Sandwich. See also: October | November | December.
