S
M
T
W
T
F
S
30
72°
56°
31
74°
53°
1
71°
53°
2
71°
57°
3
72°
52°
4
71°
51°
5
70°
51°
6
70°
50°
7
69°
49°
8
69°
50°
9
70°
50°
10
70°
54°
11
75°
51°
12
67°
52°
13
66°
52°
14
70°
54°
15
73°
54°
16
69°
50°
17
65°
52°
18
71°
55°
19
72°
55°
20
72°
54°
21
71°
55°
22
70°
54°
23
71°
54°
24
72°
52°
25
69°
50°
26
62°
52°
27
61°
51°
28
63°
52°
29
68°
52°
30
69°
51°
1
Hist. Avg.
60°
46°
2
Hist. Avg.
60°
46°
3
Hist. Avg.
59°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Altenbuch
Altenbuch's September 2026 forecast shows daily high temperatures ranging from 61° to 75°, with overnight lows between 49° and 57°. The average high for September is 70° with an average low of 52°. 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 Altenbuch. See also: October | November | December.