S
M
T
W
T
F
S
30
67°
55°
31
67°
58°
1
74°
52°
2
70°
48°
3
66°
49°
4
69°
48°
5
67°
48°
6
66°
50°
7
67°
48°
8
70°
49°
9
72°
56°
10
72°
47°
11
64°
46°
12
63°
46°
13
63°
47°
14
65°
52°
15
66°
52°
16
64°
54°
17
62°
55°
18
69°
54°
19
70°
54°
20
68°
52°
21
61°
53°
22
63°
52°
23
60°
51°
24
60°
53°
25
63°
54°
26
66°
53°
27
59°
52°
28
61°
51°
29
61°
48°
30
58°
43°
1
57°
43°
2
57°
44°
3
59°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Altenstadt
Altenstadt's September 2026 forecast shows daily high temperatures ranging from 57° to 74°, with overnight lows between 43° and 58°. The average high for September is 65° with an average low of 50°. 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 Altenstadt. See also: October | November | December.
