S
M
T
W
T
F
S
30
69°
53°
31
68°
52°
1
69°
53°
2
71°
56°
3
71°
57°
4
70°
52°
5
68°
51°
6
67°
52°
7
68°
54°
8
71°
52°
9
71°
57°
10
70°
57°
11
71°
56°
12
71°
53°
13
68°
50°
14
66°
54°
15
65°
55°
16
64°
56°
17
65°
56°
18
69°
55°
19
68°
56°
20
68°
56°
21
70°
52°
22
68°
50°
23
64°
48°
24
63°
48°
25
64°
52°
26
65°
51°
27
66°
50°
28
62°
55°
29
65°
54°
30
65°
54°
1
66°
53°
2
67°
53°
3
62°
46°
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 62° to 71°, with overnight lows between 46° and 57°. The average high for September is 67° 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 Sandwich. See also: October | November | December.
