S
M
T
W
T
F
S
30
85°
66°
31
87°
67°
1
83°
65°
2
83°
66°
3
85°
64°
4
85°
64°
5
77°
55°
6
72°
52°
7
79°
60°
8
80°
60°
9
80°
59°
10
76°
56°
11
77°
58°
12
79°
58°
13
79°
59°
14
80°
59°
15
80°
57°
16
74°
55°
17
76°
58°
18
79°
58°
19
75°
57°
20
76°
57°
21
77°
58°
22
78°
57°
23
78°
55°
24
73°
53°
25
67°
51°
26
69°
53°
27
73°
53°
28
74°
54°
29
75°
54°
30
75°
55°
1
74°
54°
2
73°
53°
3
70°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lansing
Lansing's September 2026 forecast shows daily high temperatures ranging from 67° to 87°, with overnight lows between 51° and 67°. The average high for September is 77° with an average low of 58°. 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 Lansing. See also: October | November | December.
