S
M
T
W
T
F
S
30
71°
46°
31
73°
50°
1
74°
51°
2
74°
52°
3
73°
50°
4
65°
45°
5
64°
46°
6
64°
45°
7
67°
44°
8
66°
45°
9
70°
47°
10
72°
49°
11
71°
50°
12
64°
50°
13
64°
47°
14
65°
50°
15
64°
51°
16
63°
51°
17
64°
50°
18
65°
48°
19
63°
40°
20
62°
42°
21
66°
40°
22
62°
38°
23
62°
39°
24
61°
39°
25
61°
40°
26
62°
42°
27
64°
39°
28
63°
41°
29
62°
40°
30
60°
37°
1
61°
42°
2
65°
41°
3
66°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mitterberg
Mitterberg's September 2026 forecast shows daily high temperatures ranging from 60° to 74°, with overnight lows between 37° and 52°. The average high for September is 66° with an average low of 45°. 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 Mitterberg. See also: October | November | December.