S
M
T
W
T
F
S
30
79°
63°
31
75°
61°
1
75°
55°
2
77°
52°
3
79°
55°
4
88°
63°
5
77°
57°
6
77°
50°
7
88°
55°
8
89°
59°
9
63°
44°
10
69°
45°
11
69°
45°
12
72°
45°
13
74°
49°
14
72°
50°
15
74°
52°
16
71°
49°
17
69°
48°
18
69°
48°
19
71°
47°
20
62°
49°
21
64°
50°
22
66°
48°
23
66°
50°
24
67°
51°
25
67°
52°
26
66°
50°
27
62°
47°
28
64°
49°
29
64°
49°
30
63°
50°
1
59°
45°
2
59°
44°
3
62°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mühlheim
Mühlheim's September 2026 forecast shows daily high temperatures ranging from 59° to 89°, with overnight lows between 44° and 59°. The average high for September is 68° 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 Mühlheim. See also: October | November | December.
