S
M
T
W
T
F
S
30
77°
60°
31
76°
61°
1
77°
58°
2
77°
52°
3
72°
51°
4
67°
55°
5
69°
60°
6
73°
52°
7
75°
51°
8
68°
51°
9
67°
53°
10
70°
57°
11
71°
59°
12
75°
58°
13
74°
55°
14
73°
51°
15
66°
48°
16
65°
50°
17
65°
50°
18
64°
46°
19
69°
46°
20
64°
44°
21
60°
51°
22
63°
54°
23
66°
48°
24
65°
47°
25
62°
54°
26
68°
54°
27
66°
48°
28
69°
44°
29
67°
46°
30
59°
51°
1
62°
46°
2
65°
50°
3
59°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mackinaw Township
Mackinaw Township's September 2026 forecast shows daily high temperatures ranging from 59° to 77°, with overnight lows between 41° and 61°. The average high for September is 68° with an average low of 51°. 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 Mackinaw Township. See also: October | November | December.
