S
M
T
W
T
F
S
30
80°
49°
31
77°
51°
1
76°
55°
2
78°
56°
3
85°
57°
4
83°
56°
5
86°
48°
6
74°
49°
7
78°
50°
8
79°
54°
9
Hist. Avg.
83°
52°
10
Hist. Avg.
82°
51°
11
Hist. Avg.
82°
51°
12
Hist. Avg.
82°
50°
13
Hist. Avg.
81°
50°
14
Hist. Avg.
81°
50°
15
Hist. Avg.
80°
49°
16
Hist. Avg.
80°
49°
17
Hist. Avg.
80°
48°
18
Hist. Avg.
79°
48°
19
Hist. Avg.
79°
47°
20
Hist. Avg.
78°
47°
21
Hist. Avg.
78°
46°
22
Hist. Avg.
77°
46°
23
Hist. Avg.
77°
45°
24
Hist. Avg.
76°
45°
25
Hist. Avg.
76°
44°
26
Hist. Avg.
75°
44°
27
Hist. Avg.
74°
43°
28
Hist. Avg.
74°
43°
29
Hist. Avg.
73°
42°
30
Hist. Avg.
73°
42°
1
Hist. Avg.
72°
41°
2
Hist. Avg.
72°
41°
3
Hist. Avg.
71°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Rosebud
Rosebud's September 2026 forecast shows daily high temperatures ranging from 74° to 86°, with overnight lows between 48° and 57°. The average high for September is 80° with an average low of 53°. 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 Rosebud. See also: October | November | December.