S
M
T
W
T
F
S
30
74°
52°
31
74°
55°
1
80°
48°
2
78°
45°
3
73°
47°
4
73°
45°
5
72°
44°
6
73°
45°
7
71°
45°
8
74°
47°
9
76°
53°
10
78°
45°
11
70°
43°
12
70°
43°
13
69°
48°
14
70°
50°
15
69°
50°
16
71°
51°
17
72°
52°
18
77°
52°
19
77°
51°
20
76°
51°
21
70°
50°
22
69°
49°
23
67°
48°
24
67°
49°
25
69°
51°
26
73°
50°
27
70°
50°
28
70°
49°
29
71°
43°
30
65°
40°
1
64°
40°
2
64°
41°
3
65°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Altenmarkt
Altenmarkt's September 2026 forecast shows daily high temperatures ranging from 64° to 80°, with overnight lows between 40° and 55°. The average high for September is 71° 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 Altenmarkt. See also: October | November | December.
