S
M
T
W
T
F
S
30
79°
63°
31
75°
61°
1
75°
55°
2
77°
52°
3
79°
55°
4
88°
63°
5
77°
57°
6
77°
50°
7
86°
55°
8
90°
59°
9
64°
50°
10
68°
46°
11
68°
43°
12
72°
48°
13
70°
56°
14
70°
49°
15
76°
55°
16
65°
45°
17
64°
46°
18
65°
47°
19
66°
48°
20
68°
48°
21
64°
48°
22
65°
48°
23
63°
45°
24
67°
53°
25
68°
52°
26
61°
47°
27
59°
52°
28
63°
47°
29
64°
44°
30
56°
45°
1
55°
43°
2
56°
43°
3
57°
44°
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 55° to 76°, with overnight lows between 43° and 56°. The average high for September is 64° with an average low of 48°. 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.