S
M
T
W
T
F
S
30
84°
65°
31
86°
69°
1
89°
69°
2
93°
72°
3
88°
69°
4
86°
68°
5
80°
59°
6
81°
59°
7
80°
63°
8
84°
68°
9
85°
65°
10
80°
61°
11
77°
55°
12
75°
59°
13
74°
56°
14
73°
56°
15
71°
53°
16
78°
58°
17
77°
57°
18
73°
56°
19
77°
58°
20
76°
58°
21
75°
57°
22
72°
55°
23
71°
51°
24
71°
54°
25
75°
55°
26
74°
52°
27
64°
48°
28
63°
45°
29
64°
47°
30
63°
43°
1
61°
42°
2
63°
47°
3
67°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kalamazoo
Kalamazoo's September 2026 forecast shows daily high temperatures ranging from 61° to 88°, with overnight lows between 42° and 69°. The average high for September is 74° with an average low of 56°. 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 Kalamazoo. See also: October | November | December.