S
M
T
W
T
F
S
30
82°
61°
31
81°
53°
1
80°
51°
2
76°
52°
3
75°
57°
4
78°
61°
5
83°
51°
6
82°
50°
7
74°
50°
8
75°
57°
9
77°
57°
10
77°
55°
11
74°
56°
12
72°
54°
13
73°
48°
14
72°
47°
15
71°
49°
16
71°
53°
17
72°
55°
18
78°
56°
19
79°
55°
20
78°
54°
21
77°
51°
22
73°
52°
23
70°
46°
24
69°
44°
25
68°
45°
26
68°
45°
27
Hist. Avg.
72°
48°
28
Hist. Avg.
72°
47°
29
Hist. Avg.
71°
47°
30
Hist. Avg.
71°
46°
1
Hist. Avg.
70°
46°
2
Hist. Avg.
70°
46°
3
Hist. Avg.
70°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sandwich
Sandwich's September 2026 forecast shows daily high temperatures ranging from 68° to 83°, with overnight lows between 44° and 61°. The average high for September is 75° with an average low of 52°. 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.
