← Denmark
Sea temperature in Denmark in September
16°Cmild · monthly average
The sea around Denmark averages 16°C in September. Cool — best for confident swimmers or short dips.
Monthly sea temperatures across the year
Best swim months
—
Warmest month
August (18°C)
Coolest month
February (3°C)
Best beaches in Denmark
North Sea Coast
Skagen Sønderstrand
Beach at Denmark's northern tip where two seas meet.
North Sea Coast
Henne Strand
Long quiet North-Sea dune beach.
North Sea Coast
Blokhus
Wide drive-on Jutland beach.
Baltic Coast
Marielyst
Eight-km Falster family beach.
Baltic Coast
Dueodde
Fine-white-sand Bornholm south-tip beach.
Baltic Coast
Bellevue
Copenhagen's near-by Arne-Jacobsen-designed beach.
Baltic Coast
Amager Strand
Copenhagen's island city beach.
Capital Region
Bellevue Beach
Wide North-European sandy beach near Klampenborg.
Capital Region
Amager Strand
Wide North-European sandy beach near Copenhagen.