S
M
T
W
T
F
S
30
71°
56°
31
72°
57°
1
72°
56°
2
69°
53°
3
72°
54°
4
73°
54°
5
73°
57°
6
69°
56°
7
68°
55°
8
72°
56°
9
72°
55°
10
66°
52°
11
68°
56°
12
67°
54°
13
66°
50°
14
65°
50°
15
68°
51°
16
69°
52°
17
70°
53°
18
70°
54°
19
69°
55°
20
69°
55°
21
68°
54°
22
69°
55°
23
69°
55°
24
68°
54°
25
69°
55°
26
69°
55°
27
68°
54°
28
68°
54°
29
67°
53°
30
66°
49°
1
66°
49°
2
67°
55°
3
68°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Düsseldorf
Düsseldorf's September 2026 forecast shows daily high temperatures ranging from 65° to 73°, with overnight lows between 49° and 57°. The average high for September is 69° 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 Düsseldorf. See also: October | November | December.
