S
M
T
W
T
F
S
30
86°
76°
31
92°
75°
1
96°
75°
2
96°
75°
3
97°
75°
4
96°
73°
5
93°
70°
6
87°
68°
7
87°
70°
8
95°
69°
9
92°
64°
10
85°
63°
11
87°
65°
12
87°
65°
13
83°
60°
14
84°
59°
15
85°
58°
16
77°
52°
17
82°
60°
18
77°
55°
19
80°
57°
20
81°
57°
21
79°
56°
22
80°
55°
23
79°
56°
24
80°
56°
25
77°
54°
26
68°
47°
27
67°
43°
28
65°
42°
29
67°
46°
30
67°
42°
1
69°
52°
2
68°
48°
3
64°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Indianola
Indianola's September 2026 forecast shows daily high temperatures ranging from 64° to 97°, with overnight lows between 42° and 75°. The average high for September is 80° 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 Indianola. See also: October | November | December.
