S
M
T
W
T
F
S
30
72°
63°
31
68°
61°
1
69°
55°
2
70°
60°
3
71°
63°
4
76°
60°
5
71°
52°
6
77°
59°
7
74°
59°
8
74°
58°
9
73°
57°
10
71°
55°
11
69°
54°
12
69°
54°
13
70°
53°
14
65°
50°
15
65°
49°
16
63°
51°
17
66°
54°
18
68°
55°
19
68°
54°
20
64°
49°
21
65°
52°
22
66°
55°
23
68°
54°
24
67°
53°
25
65°
47°
26
65°
50°
27
66°
49°
28
66°
51°
29
65°
53°
30
66°
53°
1
66°
52°
2
65°
51°
3
66°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gelsenkirchen
Gelsenkirchen's September 2026 forecast shows daily high temperatures ranging from 63° to 77°, with overnight lows between 47° and 63°. The average high for September is 68° with an average low of 54°. 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 Gelsenkirchen. See also: October | November | December.
