Measurements:
°C
°F
Frederikshavn
54°F
E 11 mph
Feels like: 50°F
Precip: 26%
World Resorts Denmark Frederikshavn Weather

7 Day Weather Forecast

09.29
tue
DAY
60°F
W 5 mph
precip
15%
NIGHT
60°F
W 13 mph
precip
32%
09.30
wed
DAY
62°F
NW 17 mph
precip
8%
NIGHT
60°F
NW 19 mph
precip
9%
10.01
thu
DAY
62°F
NW 17 mph
precip
22%
NIGHT
60°F
NW 21 mph
precip
27%
10.02
fri
DAY
62°F
E 8 mph
precip
22%
NIGHT
58°F
N 7 mph
precip
23%
10.03
sat
DAY
60°F
N 5 mph
precip
9%
NIGHT
56°F
N 5 mph
precip
18%
10.04
sun
DAY
60°F
NW 7 mph
precip
18%
NIGHT
56°F
N 6 mph
precip
20%
10.05
mon
DAY
60°F
NW 8 mph
precip
10%
NIGHT
58°F
W 7 mph
precip
24%

Frederikshavn Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Frederikshavn was 15.8°F. The maximum and minimum values were 14.2°F and 17.5°F respectively.

Frederikshavn on the Weather Map

Best Time to Visit Frederikshavn
The most sunny months:
June 14 days
May 14 days
July 14 days
The most warm months:
July 68.1 °F
August 67.6 °F
June 64.3 °F
Warmest sea temperature:
August 65.2 °F
July 64.7 °F
September 61.9 °F
The most cold months:
February 36.5 °F
January 37.0 °F
March 40.9 °F
The most rainy months:
August 5 days
June 4 days
July 4 days
The most windy months:
December 16 mph
January 16 mph
November 15 mph