S
M
T
W
T
F
S
30
73°
50°
31
75°
55°
1
75°
54°
2
74°
54°
3
74°
53°
4
73°
52°
5
68°
51°
6
73°
48°
7
71°
51°
8
72°
50°
9
69°
49°
10
65°
46°
11
64°
47°
12
64°
45°
13
65°
46°
14
63°
45°
15
63°
45°
16
65°
43°
17
67°
43°
18
62°
42°
19
63°
44°
20
62°
42°
21
62°
40°
22
63°
42°
23
61°
44°
24
62°
43°
25
61°
41°
26
61°
46°
27
61°
47°
28
66°
46°
29
67°
43°
30
Hist. Avg.
62°
46°
1
Hist. Avg.
61°
46°
2
Hist. Avg.
61°
46°
3
Hist. Avg.
61°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Altendorf
Altendorf's September 2026 forecast shows daily high temperatures ranging from 61° to 75°, with overnight lows between 40° and 55°. The average high for September is 67° with an average low of 47°. 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 Altendorf. See also: October | November | December.
