S
M
T
W
T
F
S
30
70°
66°
31
77°
68°
1
89°
71°
2
91°
69°
3
81°
66°
4
78°
61°
5
77°
56°
6
77°
56°
7
78°
60°
8
71°
56°
9
74°
55°
10
77°
54°
11
75°
51°
12
73°
51°
13
72°
53°
14
73°
52°
15
77°
57°
16
77°
58°
17
76°
57°
18
71°
56°
19
76°
58°
20
77°
58°
21
77°
57°
22
76°
58°
23
77°
57°
24
76°
56°
25
75°
55°
26
74°
54°
27
75°
55°
28
75°
54°
29
74°
53°
30
72°
53°
1
71°
52°
2
72°
53°
3
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Casco Township
Casco Township's September 2026 forecast shows daily high temperatures ranging from 71° to 91°, with overnight lows between 51° and 71°. The average high for September is 76° with an average low of 56°. 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 Casco Township. See also: October | November | December.
