S
M
T
W
T
F
S
30
82°
63°
31
82°
64°
1
81°
62°
2
75°
55°
3
70°
54°
4
74°
56°
5
78°
56°
6
78°
58°
7
77°
60°
8
76°
59°
9
77°
58°
10
74°
51°
11
76°
59°
12
77°
59°
13
79°
58°
14
78°
60°
15
78°
59°
16
79°
58°
17
78°
58°
18
78°
57°
19
77°
56°
20
76°
51°
21
74°
54°
22
73°
56°
23
73°
56°
24
74°
55°
25
72°
48°
26
69°
43°
27
63°
42°
28
63°
43°
29
65°
44°
30
66°
51°
1
62°
52°
2
66°
51°
3
64°
49°
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 62° to 82°, with overnight lows between 42° and 64°. The average high for September is 74° 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.
