S
M
T
W
T
F
S
30
78°
65°
31
80°
69°
1
88°
69°
2
92°
72°
3
80°
66°
4
79°
65°
5
79°
57°
6
77°
53°
7
78°
51°
8
83°
54°
9
77°
69°
10
78°
55°
11
76°
48°
12
84°
61°
13
76°
48°
14
69°
45°
15
75°
59°
16
70°
61°
17
66°
57°
18
73°
51°
19
63°
58°
20
67°
52°
21
64°
46°
22
62°
51°
23
61°
49°
24
67°
50°
25
67°
48°
26
69°
51°
27
69°
49°
28
68°
49°
29
71°
52°
30
69°
51°
1
70°
50°
2
71°
54°
3
61°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Shiawassee Township
Shiawassee Township's September 2026 forecast shows daily high temperatures ranging from 61° to 71°, with overnight lows between 46° and 58°. The average high for September is 67° 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 Shiawassee Township. See also: October | November | December.
