17.09
thu
thu
Day
63°F
NE 13 mph
Precip.
11%
11%
Night
59°F
NE 14 mph
Precip.
32%
32%
18.09
fri
fri
Day
63°F
E 15 mph
Precip.
15%
15%
Night
57°F
NE 12 mph
Precip.
18%
18%
19.09
sat
sat
Day
59°F
NE 15 mph
Precip.
31%
31%
Night
59°F
NE 12 mph
Precip.
30%
30%
20.09
sun
sun
Day
61°F
E 19 mph
Precip.
17%
17%
Night
55°F
E 20 mph
Precip.
8%
8%
21.09
mon
mon
Day
61°F
SE 16 mph
Precip.
4%
4%
Night
55°F
SE 8 mph
Precip.
7%
7%
22.09
tue
tue
Day
59°F
S 16 mph
Precip.
2%
2%
Night
54°F
S 8 mph
Precip.
7%
7%
23.09
wed
wed
Day
61°F
S 9 mph
Precip.
3%
3%
Night
54°F
SE 7 mph
Precip.
19%
19%
sea water
temperature
temperature
| Copenhagen |
monthly
weather
weather
| Copenhagen |
current
weather
weather
| Copenhagen |
14 days
forecast
forecast
| Copenhagen |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 61.0°F. The highest and lowest sea temperatures during the month were 62.2°F and 59.5°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 54.8°F. The highest and lowest sea temperatures during the month were 57.7°F and 51.8°F.
Air temperature in Copenhagen, °F
Precipitation total in Copenhagen, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Copenhagen
Copenhagen on a weather map
Places in Denmark:
Name
°F
24 Hours Forecast
Copenhagen
Local time: 02:56
September 17, thursday
0300
55°F
E
11 mph
11 mph
0600
55°F
NE
9 mph
9 mph
0900
57°F
E
12 mph
12 mph
1200
63°F
NE
13 mph
13 mph
1500
59°F
NE
14 mph
14 mph
1800
59°F
NE
12 mph
12 mph
2100
59°F
NE
13 mph
13 mph
September 18, friday
0000
59°F
NE
14 mph
14 mph
