S
M
T
W
T
F
S
30
73°
55°
31
68°
54°
1
66°
54°
2
70°
50°
3
68°
48°
4
81°
57°
5
70°
49°
6
70°
54°
7
81°
62°
8
73°
55°
9
67°
50°
10
64°
50°
11
66°
51°
12
65°
50°
13
65°
49°
14
64°
50°
15
65°
50°
16
64°
51°
17
63°
45°
18
66°
45°
19
69°
51°
20
70°
52°
21
66°
51°
22
68°
50°
23
68°
51°
24
69°
50°
25
69°
51°
26
70°
51°
27
68°
50°
28
63°
47°
29
66°
47°
30
67°
45°
1
64°
43°
2
58°
42°
3
57°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rothenstein
Rothenstein's September 2026 forecast shows daily high temperatures ranging from 57° to 81°, with overnight lows between 41° and 62°. The average high for September is 67° with an average low of 50°. 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 Rothenstein. See also: October | November | December.