S
M
T
W
T
F
S
30
74°
47°
31
73°
50°
1
73°
48°
2
74°
47°
3
72°
46°
4
72°
49°
5
73°
46°
6
72°
46°
7
71°
47°
8
71°
46°
9
72°
44°
10
70°
48°
11
73°
52°
12
77°
49°
13
77°
45°
14
70°
47°
15
70°
47°
16
69°
43°
17
68°
41°
18
Hist. Avg.
66°
49°
19
Hist. Avg.
66°
49°
20
Hist. Avg.
66°
49°
21
Hist. Avg.
65°
48°
22
Hist. Avg.
65°
48°
23
Hist. Avg.
65°
48°
24
Hist. Avg.
65°
48°
25
Hist. Avg.
64°
48°
26
Hist. Avg.
64°
47°
27
Hist. Avg.
64°
47°
28
Hist. Avg.
64°
47°
29
Hist. Avg.
64°
47°
30
Hist. Avg.
63°
46°
1
Hist. Avg.
63°
46°
2
Hist. Avg.
63°
46°
3
Hist. Avg.
63°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Rotthalmünster
Rotthalmünster's September 2026 forecast shows daily high temperatures ranging from 68° to 77°, with overnight lows between 41° and 52°. The average high for September is 72° with an average low of 47°. 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 Rotthalmünster. See also: October | November | December.
