S
M
T
W
T
F
S
30
79°
45°
31
76°
46°
1
65°
36°
2
64°
35°
3
62°
41°
4
67°
43°
5
72°
46°
6
73°
42°
7
69°
37°
8
62°
36°
9
60°
41°
10
63°
36°
11
59°
31°
12
60°
32°
13
61°
37°
14
65°
41°
15
70°
39°
16
70°
39°
17
68°
41°
18
67°
44°
19
66°
35°
20
64°
39°
21
66°
43°
22
65°
44°
23
68°
44°
24
66°
45°
25
66°
33°
26
59°
36°
27
55°
40°
28
58°
28°
29
54°
26°
30
52°
28°
1
52°
31°
2
55°
30°
3
58°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rising Sun
Rising Sun's September 2026 forecast shows daily high temperatures ranging from 52° to 79°, with overnight lows between 26° and 46°. The average high for September is 64° with an average low of 38°. 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 Rising Sun. See also: October | November | December.
