S
M
T
W
T
F
S
30
71°
61°
31
73°
58°
1
75°
55°
2
70°
56°
3
69°
59°
4
74°
64°
5
73°
62°
6
76°
55°
7
72°
58°
8
69°
61°
9
68°
61°
10
74°
60°
11
72°
61°
12
69°
61°
13
67°
58°
14
66°
54°
15
64°
52°
16
65°
52°
17
66°
60°
18
69°
60°
19
72°
58°
20
74°
59°
21
71°
54°
22
70°
55°
23
64°
50°
24
65°
49°
25
62°
48°
26
63°
55°
27
66°
51°
28
Hist. Avg.
64°
45°
29
Hist. Avg.
64°
45°
30
Hist. Avg.
64°
44°
1
Hist. Avg.
63°
44°
2
Hist. Avg.
63°
44°
3
Hist. Avg.
62°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Copenhagen
Copenhagen's September 2026 forecast shows daily high temperatures ranging from 62° to 76°, with overnight lows between 48° and 64°. The average high for September is 69° with an average low of 57°. 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 Copenhagen. See also: October | November | December.
