17.09
thu
thu
Day
46°F
SE 24 mph
Precip.
32%
32%
Night
48°F
NE 4 mph
Precip.
39%
39%
18.09
fri
fri
Day
46°F
SW 11 mph
Precip.
25%
25%
Night
48°F
S 6 mph
Precip.
22%
22%
19.09
sat
sat
Day
48°F
E 9 mph
Precip.
31%
31%
Night
48°F
NE 7 mph
Precip.
11%
11%
20.09
sun
sun
Day
48°F
N 4 mph
Precip.
8%
8%
Night
48°F
W 14 mph
Precip.
83%
83%
21.09
mon
mon
Day
54°F
N 34 mph
Precip.
49%
49%
Night
48°F
N 24 mph
Precip.
26%
26%
22.09
tue
tue
Day
48°F
NE 31 mph
Precip.
46%
46%
Night
48°F
NE 24 mph
Precip.
26%
26%
23.09
wed
wed
Day
50°F
N 16 mph
Precip.
43%
43%
Night
50°F
NW 29 mph
Precip.
24%
24%
sea water
temperature
temperature
| Kopavogur |
monthly
weather
weather
| Kopavogur |
current
weather
weather
| Kopavogur |
14 days
forecast
forecast
| Kopavogur |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 52.1°F. The highest and lowest sea temperatures during the month were 53.2°F and 50.7°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 50.3°F. The highest and lowest sea temperatures during the month were 54.0°F and 46.9°F.
Air temperature in Kopavogur, °F
Precipitation total in Kopavogur, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Kopavogur
Kopavogur on a weather map
24 Hours Forecast
Kopavogur
Local time: 13:51
September 17, thursday
1500
48°F
SE
17 mph
17 mph
1800
48°F
SE
12 mph
12 mph
2100
48°F
SE
6 mph
6 mph
September 18, friday
0000
48°F
NE
4 mph
4 mph
0300
48°F
NE
13 mph
13 mph
0600
46°F
N
11 mph
11 mph
0900
46°F
NW
13 mph
13 mph
1200
46°F
SW
11 mph
11 mph
