S
M
T
W
T
F
S
30
76°
67°
31
85°
69°
1
90°
71°
2
96°
72°
3
87°
71°
4
80°
65°
5
80°
59°
6
80°
61°
7
78°
61°
8
80°
65°
9
82°
63°
10
75°
59°
11
74°
53°
12
73°
58°
13
71°
56°
14
71°
54°
15
69°
52°
16
77°
56°
17
76°
57°
18
69°
56°
19
76°
57°
20
77°
57°
21
76°
56°
22
75°
55°
23
71°
53°
24
69°
54°
25
74°
55°
26
73°
51°
27
63°
48°
28
63°
47°
29
62°
46°
30
62°
43°
1
60°
45°
2
61°
50°
3
67°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Plymouth Charter Township
Plymouth Charter Township's September 2026 forecast shows daily high temperatures ranging from 60° to 96°, with overnight lows between 43° and 72°. The average high for September is 73° 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 Plymouth Charter Township. See also: October | November | December.