S
M
T
W
T
F
S
30
79°
61°
31
77°
61°
1
75°
55°
2
77°
52°
3
77°
55°
4
86°
59°
5
N/A
6
73°
48°
7
77°
57°
8
81°
56°
9
62°
47°
10
64°
46°
11
64°
50°
12
60°
48°
13
61°
46°
14
61°
46°
15
65°
47°
16
65°
49°
17
66°
47°
18
69°
49°
19
61°
52°
20
65°
50°
21
65°
51°
22
64°
49°
23
68°
51°
24
68°
49°
25
67°
50°
26
68°
45°
27
61°
43°
28
62°
42°
29
62°
41°
30
64°
49°
1
60°
45°
2
58°
43°
3
63°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Riedenburg
Riedenburg's September 2026 forecast shows daily high temperatures ranging from 58° to 81°, with overnight lows between 41° and 57°. The average high for September is 65° 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 Riedenburg. See also: October | November | December.
