S
M
T
W
T
F
S
30
83°
62°
31
83°
63°
1
85°
62°
2
85°
60°
3
81°
62°
4
84°
61°
5
84°
61°
6
78°
60°
7
79°
60°
8
78°
55°
9
81°
53°
10
77°
60°
11
80°
60°
12
83°
59°
13
80°
60°
14
81°
58°
15
82°
59°
16
83°
59°
17
Hist. Avg.
79°
57°
18
Hist. Avg.
78°
56°
19
Hist. Avg.
78°
56°
20
Hist. Avg.
78°
56°
21
Hist. Avg.
77°
55°
22
Hist. Avg.
77°
55°
23
Hist. Avg.
76°
55°
24
Hist. Avg.
76°
54°
25
Hist. Avg.
76°
54°
26
Hist. Avg.
75°
53°
27
Hist. Avg.
75°
53°
28
Hist. Avg.
74°
53°
29
Hist. Avg.
74°
52°
30
Hist. Avg.
73°
52°
1
Hist. Avg.
73°
51°
2
Hist. Avg.
73°
51°
3
Hist. Avg.
72°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Rising Sun
Rising Sun's September 2026 forecast shows daily high temperatures ranging from 77° to 85°, with overnight lows between 53° and 63°. The average high for September is 82° with an average low of 60°. 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.
