S
M
T
W
T
F
S
30
68°
53°
31
74°
51°
1
68°
52°
2
67°
56°
3
67°
51°
4
68°
50°
5
67°
49°
6
66°
49°
7
66°
48°
8
67°
49°
9
67°
53°
10
69°
56°
11
72°
51°
12
64°
49°
13
63°
52°
14
68°
54°
15
70°
54°
16
68°
53°
17
63°
53°
18
68°
54°
19
69°
54°
20
68°
53°
21
69°
53°
22
68°
52°
23
67°
53°
24
68°
51°
25
66°
47°
26
59°
51°
27
60°
51°
28
59°
52°
29
66°
52°
30
58°
43°
1
58°
42°
2
Hist. Avg.
60°
46°
3
Hist. Avg.
60°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rudersberg
Rudersberg's September 2026 forecast shows daily high temperatures ranging from 58° to 74°, with overnight lows between 42° and 56°. The average high for September is 66° with an average low of 51°. 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 Rudersberg. See also: October | November | December.