S
M
T
W
T
F
S
30
86°
54°
31
78°
57°
1
78°
61°
2
80°
55°
3
83°
58°
4
84°
60°
5
85°
55°
6
84°
52°
7
76°
51°
8
76°
50°
9
77°
53°
10
81°
57°
11
80°
50°
12
75°
50°
13
74°
49°
14
76°
56°
15
80°
52°
16
82°
47°
17
74°
46°
18
72°
46°
19
71°
47°
20
72°
49°
21
70°
51°
22
70°
47°
23
71°
51°
24
71°
48°
25
75°
53°
26
77°
53°
27
78°
44°
28
73°
50°
29
70°
52°
30
76°
51°
1
68°
50°
2
71°
47°
3
67°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rushville
Rushville's September 2026 forecast shows daily high temperatures ranging from 67° to 86°, with overnight lows between 43° and 61°. The average high for September is 76° with an average low of 51°. 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 Rushville. See also: October | November | December.