S
M
T
W
T
F
S
30
82°
67°
31
91°
70°
1
97°
74°
2
95°
71°
3
92°
73°
4
92°
73°
5
84°
72°
6
79°
66°
7
82°
60°
8
87°
70°
9
81°
68°
10
79°
58°
11
79°
62°
12
84°
64°
13
81°
68°
14
85°
69°
15
76°
59°
16
74°
56°
17
75°
57°
18
70°
52°
19
71°
51°
20
69°
55°
21
74°
54°
22
70°
59°
23
72°
58°
24
77°
59°
25
78°
59°
26
78°
58°
27
77°
59°
28
79°
60°
29
78°
60°
30
78°
59°
1
75°
53°
2
70°
48°
3
63°
44°
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 63° to 87°, with overnight lows between 44° and 70°. The average high for September is 76° 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.
