S
M
T
W
T
F
S
30
62°
54°
31
62°
54°
1
67°
48°
2
62°
47°
3
61°
53°
4
62°
46°
5
62°
48°
6
61°
47°
7
60°
48°
8
65°
53°
9
67°
52°
10
64°
49°
11
60°
47°
12
63°
48°
13
60°
49°
14
61°
50°
15
65°
52°
16
66°
46°
17
61°
53°
18
63°
53°
19
63°
51°
20
62°
48°
21
58°
45°
22
57°
44°
23
56°
45°
24
57°
50°
25
61°
52°
26
60°
51°
27
63°
50°
28
62°
50°
29
61°
48°
30
55°
43°
1
54°
41°
2
54°
40°
3
55°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Monschau
Monschau's September 2026 forecast shows daily high temperatures ranging from 54° to 67°, with overnight lows between 40° and 54°. The average high for September is 61° with an average low of 48°. 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 Monschau. See also: October | November | December.
