S
M
T
W
T
F
S
30
83°
65°
31
82°
68°
1
89°
70°
2
90°
68°
3
85°
69°
4
83°
66°
5
80°
63°
6
79°
61°
7
76°
56°
8
73°
61°
9
78°
60°
10
77°
57°
11
74°
55°
12
71°
54°
13
72°
54°
14
73°
52°
15
77°
57°
16
77°
57°
17
76°
56°
18
74°
56°
19
77°
58°
20
76°
58°
21
76°
57°
22
77°
57°
23
76°
56°
24
76°
57°
25
75°
56°
26
76°
56°
27
75°
55°
28
75°
55°
29
74°
53°
30
72°
53°
1
72°
52°
2
73°
54°
3
73°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Jenison
Jenison's September 2026 forecast shows daily high temperatures ranging from 71° to 90°, with overnight lows between 52° and 70°. The average high for September is 77° 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 Jenison. See also: October | November | December.
