Measurements:
°C
°F
CURRENT WEATHER
22:48
Frederikshavn
56°F
NE 9 mph
Feels like: 52°F
Precip: 52%
World Resorts Denmark Frederikshavn Weather

7 Day Weather Forecast

09.08
tue
DAY
66°F
NE 12 mph
precip
15%
NIGHT
56°F
NE 9 mph
precip
52%
09.09
wed
DAY
62°F
NE 11 mph
precip
38%
NIGHT
56°F
SE 15 mph
precip
32%
09.10
thu
DAY
60°F
E 22 mph
precip
14%
NIGHT
56°F
NE 12 mph
precip
28%
09.11
fri
DAY
62°F
NE 11 mph
precip
20%
NIGHT
58°F
E 19 mph
precip
9%
09.12
sat
DAY
62°F
E 15 mph
precip
8%
NIGHT
56°F
NE 13 mph
precip
23%
09.13
sun
DAY
62°F
NE 11 mph
precip
41%
NIGHT
56°F
E 15 mph
precip
8%
09.14
mon
DAY
62°F
SE 11 mph
precip
23%
NIGHT
56°F
NE 11 mph
precip
20%

Frederikshavn Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Frederikshavn was 16.3°F. The maximum and minimum values were 14.6°F and 17.7°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
more details