S
M
T
W
T
F
S
30
79°
69°
31
86°
72°
1
90°
71°
2
83°
71°
3
85°
70°
4
91°
69°
5
83°
67°
6
81°
64°
7
79°
65°
8
80°
69°
9
81°
54°
10
78°
57°
11
77°
61°
12
75°
57°
13
70°
58°
14
67°
54°
15
68°
53°
16
71°
55°
17
71°
55°
18
67°
54°
19
68°
52°
20
71°
51°
21
71°
57°
22
72°
56°
23
74°
56°
24
74°
57°
25
73°
57°
26
73°
56°
27
74°
57°
28
73°
57°
29
72°
56°
30
72°
55°
1
69°
49°
2
60°
46°
3
58°
41°
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 58° to 81°, with overnight lows between 41° and 69°. The average high for September is 72° with an average low of 55°. 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.
