S
M
T
W
T
F
S
30
85°
58°
31
78°
56°
1
77°
59°
2
77°
61°
3
79°
57°
4
80°
63°
5
83°
62°
6
84°
56°
7
81°
56°
8
75°
55°
9
75°
54°
10
76°
60°
11
80°
54°
12
77°
54°
13
72°
53°
14
73°
60°
15
78°
59°
16
80°
52°
17
79°
51°
18
71°
50°
19
70°
51°
20
71°
56°
21
69°
54°
22
70°
50°
23
69°
55°
24
69°
53°
25
70°
56°
26
74°
56°
27
75°
50°
28
75°
48°
29
68°
53°
30
68°
54°
1
67°
55°
2
71°
53°
3
72°
46°
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 67° to 85°, with overnight lows between 46° and 63°. The average high for September is 75° with an average low of 55°. 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.
