S
M
T
W
T
F
S
30
85°
66°
31
82°
65°
1
75°
56°
2
73°
56°
3
76°
54°
4
78°
54°
5
77°
55°
6
72°
52°
7
79°
60°
8
80°
60°
9
80°
59°
10
76°
56°
11
79°
59°
12
80°
57°
13
74°
54°
14
74°
54°
15
76°
57°
16
78°
57°
17
78°
56°
18
77°
52°
19
67°
48°
20
69°
54°
21
70°
51°
22
71°
52°
23
70°
48°
24
64°
45°
25
64°
43°
26
63°
43°
27
63°
45°
28
65°
46°
29
69°
52°
30
72°
51°
1
72°
45°
2
61°
43°
3
62°
51°
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 61° to 85°, with overnight lows between 43° and 66°. The average high for September is 73° with an average low of 53°. 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.
