S
M
T
W
T
F
S
30
82°
70°
31
92°
74°
1
95°
73°
2
94°
71°
3
96°
74°
4
96°
73°
5
92°
70°
6
84°
62°
7
81°
58°
8
86°
68°
9
81°
66°
10
80°
54°
11
81°
62°
12
85°
64°
13
86°
65°
14
85°
63°
15
76°
59°
16
74°
55°
17
78°
57°
18
76°
55°
19
74°
53°
20
78°
52°
21
78°
57°
22
74°
57°
23
75°
56°
24
80°
57°
25
81°
57°
26
81°
56°
27
80°
57°
28
81°
58°
29
81°
58°
30
80°
57°
1
77°
51°
2
69°
46°
3
66°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Minonk
Minonk's September 2026 forecast shows daily high temperatures ranging from 66° to 86°, with overnight lows between 42° and 68°. The average high for September is 79° with an average low of 57°. 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 Minonk. See also: October | November | December.