S
M
T
W
T
F
S
30
82°
63°
31
77°
63°
1
77°
56°
2
80°
53°
3
83°
55°
4
89°
60°
5
74°
51°
6
80°
62°
7
84°
61°
8
78°
54°
9
62°
47°
10
63°
48°
11
66°
53°
12
60°
50°
13
62°
49°
14
62°
49°
15
65°
52°
16
65°
52°
17
67°
51°
18
66°
50°
19
59°
44°
20
61°
45°
21
62°
49°
22
64°
46°
23
65°
47°
24
65°
49°
25
64°
51°
26
64°
48°
27
61°
45°
28
63°
47°
29
62°
47°
30
62°
46°
1
58°
42°
2
59°
43°
3
61°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Münster
Münster's September 2026 forecast shows daily high temperatures ranging from 58° to 84°, with overnight lows between 42° and 62°. The average high for September is 65° 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 Münster. See also: October | November | December.
