S
M
T
W
T
F
S
30
75°
64°
31
70°
59°
1
72°
55°
2
73°
52°
3
73°
61°
4
79°
61°
5
72°
52°
6
75°
46°
7
88°
63°
8
77°
51°
9
61°
48°
10
63°
48°
11
66°
49°
12
67°
50°
13
67°
52°
14
67°
50°
15
72°
52°
16
64°
48°
17
63°
49°
18
63°
50°
19
64°
49°
20
65°
48°
21
64°
54°
22
65°
55°
23
65°
54°
24
66°
54°
25
66°
50°
26
63°
46°
27
61°
46°
28
61°
45°
29
60°
45°
30
60°
52°
1
62°
48°
2
58°
47°
3
62°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gummersbach
Gummersbach's September 2026 forecast shows daily high temperatures ranging from 58° to 77°, with overnight lows between 45° and 55°. The average high for September is 64° with an average low of 50°. 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 Gummersbach. See also: October | November | December.
