S
M
T
W
T
F
S
30
72°
52°
31
73°
51°
1
73°
52°
2
72°
51°
3
73°
51°
4
74°
50°
5
74°
51°
6
73°
53°
7
71°
51°
8
72°
49°
9
71°
51°
10
70°
47°
11
70°
47°
12
71°
48°
13
73°
53°
14
70°
48°
15
74°
53°
16
76°
55°
17
76°
55°
18
75°
52°
19
76°
45°
20
70°
45°
21
66°
51°
22
67°
50°
23
70°
51°
24
72°
52°
25
71°
43°
26
72°
40°
27
64°
43°
28
63°
42°
29
63°
42°
30
62°
40°
1
Hist. Avg.
66°
45°
2
Hist. Avg.
66°
45°
3
Hist. Avg.
65°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Grand Ledge
Grand Ledge's September 2026 forecast shows daily high temperatures ranging from 62° to 76°, with overnight lows between 40° and 55°. The average high for September is 71° with an average low of 49°. 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 Grand Ledge. See also: October | November | December.
