S
M
T
W
T
F
S
30
74°
55°
31
73°
56°
1
71°
58°
2
72°
57°
3
74°
57°
4
73°
52°
5
71°
57°
6
73°
54°
7
73°
53°
8
70°
57°
9
69°
53°
10
71°
53°
11
72°
54°
12
72°
57°
13
71°
55°
14
66°
49°
15
67°
53°
16
69°
50°
17
66°
52°
18
64°
53°
19
63°
52°
20
Hist. Avg.
66°
52°
21
Hist. Avg.
65°
52°
22
Hist. Avg.
65°
52°
23
Hist. Avg.
65°
52°
24
Hist. Avg.
65°
51°
25
Hist. Avg.
64°
51°
26
Hist. Avg.
64°
51°
27
Hist. Avg.
64°
51°
28
Hist. Avg.
64°
51°
29
Hist. Avg.
64°
50°
30
Hist. Avg.
63°
50°
1
Hist. Avg.
63°
50°
2
Hist. Avg.
63°
50°
3
Hist. Avg.
63°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Düsseldorf
Düsseldorf's September 2026 forecast shows daily high temperatures ranging from 63° to 74°, with overnight lows between 49° and 58°. The average high for September is 70° 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.
