S
M
T
W
T
F
S
30
70°
66°
31
77°
68°
1
91°
68°
2
95°
70°
3
79°
64°
4
79°
63°
5
77°
57°
6
77°
53°
7
78°
59°
8
80°
64°
9
85°
66°
10
77°
56°
11
70°
53°
12
76°
56°
13
77°
55°
14
79°
54°
15
79°
55°
16
77°
52°
17
76°
57°
18
70°
55°
19
75°
57°
20
76°
57°
21
76°
56°
22
74°
55°
23
71°
54°
24
69°
55°
25
74°
56°
26
72°
53°
27
63°
49°
28
63°
48°
29
62°
46°
30
62°
43°
1
60°
46°
2
61°
49°
3
68°
51°
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 60° to 85°, with overnight lows between 43° and 66°. The average high for September is 73° 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 Casco Township. See also: October | November | December.
