S
M
T
W
T
F
S
30
66°
51°
31
72°
57°
1
73°
57°
2
74°
50°
3
73°
49°
4
64°
51°
5
65°
50°
6
64°
52°
7
64°
54°
8
70°
51°
9
70°
53°
10
69°
53°
11
70°
48°
12
64°
45°
13
62°
45°
14
62°
46°
15
64°
52°
16
68°
52°
17
67°
54°
18
68°
53°
19
69°
45°
20
66°
44°
21
60°
49°
22
65°
50°
23
66°
52°
24
67°
52°
25
64°
51°
26
65°
52°
27
67°
51°
28
67°
50°
29
61°
45°
30
59°
43°
1
58°
42°
2
57°
41°
3
56°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Trunkelsberg
Trunkelsberg's September 2026 forecast shows daily high temperatures ranging from 56° to 74°, with overnight lows between 41° and 57°. The average high for September is 66° with an average low of 49°. 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 Trunkelsberg. See also: October | November | December.