S
M
T
W
T
F
S
30
102°
78°
31
101°
77°
1
101°
77°
2
100°
77°
3
99°
77°
4
99°
74°
5
101°
72°
6
99°
73°
7
95°
71°
8
96°
73°
9
94°
66°
10
88°
62°
11
86°
62°
12
85°
61°
13
86°
63°
14
87°
64°
15
86°
64°
16
86°
63°
17
85°
64°
18
86°
64°
19
86°
65°
20
85°
64°
21
86°
64°
22
85°
63°
23
85°
63°
24
84°
62°
25
84°
61°
26
83°
60°
27
84°
61°
28
84°
60°
29
83°
59°
30
83°
60°
1
82°
59°
2
82°
59°
3
81°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Tecumseh Township
Tecumseh Township's September 2026 forecast shows daily high temperatures ranging from 81° to 101°, with overnight lows between 58° and 77°. The average high for September is 88° with an average low of 65°. 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 Tecumseh Township. See also: October | November | December.
