S
M
T
W
T
F
S
30
78°
62°
31
79°
58°
1
78°
57°
2
78°
56°
3
76°
55°
4
76°
54°
5
77°
59°
6
78°
59°
7
77°
58°
8
77°
58°
9
76°
54°
10
77°
61°
11
80°
62°
12
80°
61°
13
82°
60°
14
79°
61°
15
81°
59°
16
80°
59°
17
79°
60°
18
80°
59°
19
79°
58°
20
77°
52°
21
80°
49°
22
74°
48°
23
71°
55°
24
73°
57°
25
Hist. Avg.
75°
54°
26
Hist. Avg.
74°
53°
27
Hist. Avg.
74°
53°
28
Hist. Avg.
74°
52°
29
Hist. Avg.
73°
52°
30
Hist. Avg.
73°
52°
1
Hist. Avg.
72°
51°
2
Hist. Avg.
72°
51°
3
Hist. Avg.
71°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in West Indianapolis
West Indianapolis's September 2026 forecast shows daily high temperatures ranging from 71° to 82°, with overnight lows between 48° and 62°. The average high for September is 78° 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 West Indianapolis. See also: October | November | December.
