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Warmest sea in Europe in September

5,440 coastal locations in Europe ranked by their typical September sea temperature. Region-wide average in September: 20.4°C. The top of the list is where to find the warmest swimming this month.

Warmest in September

Karpaz

28.5°C September mean in Northern Cyprus

Regional September average

20.4°C

across all 5,440 coastal locations in Europe

Vs annual mean

+4.5°C

above the year-round regional average

What the Europe sea feels like in September

Water at this temperature is very pleasant to swim in. If you tend to wear a wetsuit when swimming, you might consider removing it now to avoid the body overheating.

Europe monthly average 11.3°C to 21.6°C
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  • Warmest month August 21.6°C
  • Coldest month February 11.3°C
  • Annual mean 16.0°C
  • Months above 20°C 3 of 12

Where September fits in the year

September sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Europe month rankings:

Europe sea temperature map (live)

The map shows today's latest reading at every Europe location. The list below is based on the typical September mean, useful for trip planning weeks or months ahead.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest Europe locations in September

Sorted by the typical September mean built from a decade of daily readings at each location. Click any place for its 30-day chart, monthly profile, and full 10-year history.

# Location September mean
1 Karpaz 28.5°C
2 Rizokarpaso 28.5°C
3 Dhavlos Northern Cyprus 28.4°C
4 Famagusta Northern Cyprus 28.4°C
5 lies Wallis (Mata-Utu) Hahake 28.4°C
6 Neta 28.4°C
7 Vokolida 28.4°C
8 Kyrenia Northern Cyprus 28.4°C
9 Paralimni 28.4°C
10 Agios Sergios 28.4°C
11 Famagusta 28.4°C
12 Pyla 28.3°C
13 Fig Tree Bay 28.3°C
14 Kapparis 28.3°C
15 Pernera 28.3°C
16 Protaras 28.3°C
17 Sunrise Beach 28.3°C
18 Clipperton-D Overseas France 28.3°C
19 Kyrenia 28.3°C
20 Ayia Napa 28.2°C
21 Gaziveren 28.2°C
22 Morphou 28.2°C
23 Kato Pyrgos 28.1°C
24 Pachyammos 28.1°C
25 Pomos 28.1°C
Show 25 more ▸
26 Pyrgos 28.1°C
27 Megisti (Kastellorizo) Notio Aigaio 28.1°C
28 Blue Lagoon 27.9°C
29 Latchi 27.9°C
30 Neo Chorio 27.9°C
31 Polis 27.9°C
32 Kastellorizo Aegean Islands 27.9°C
33 Katsarka 27.8°C
34 Nissi beach 27.8°C
35 Perivolia Larnaca 27.8°C
36 Agios Georgios Pegeias 27.7°C
37 Coral Bay 27.7°C
38 Geroskipou 27.7°C
39 Kissonerga 27.7°C
40 Kotsias Beach 27.7°C
41 Laourou Beach 27.7°C
42 Lara Bay 27.7°C
43 Paphos 27.7°C
44 Pegeia 27.7°C
45 Potima Bay 27.7°C
46 Venus beach 27.7°C
47 Vrysoudia Beach 27.7°C
48 White River Beach 27.7°C
49 Faros Beach 27.6°C
50 Larnaca 27.6°C

Coldest 10 in Europe in September

Same data the other way. Helpful if you want to know which Europe coasts to avoid for swimming in September.

# Location September mean
1 Danmarks Havn Northeast Greenland National Park -0.5°C
2 North Star Bay Qaasuitsup Kommune 1.3°C
3 Clavering Island 1.7°C
4 Finsch Island Sermersooq Kommune 1.9°C
5 Cape Tobin Sermersooq Kommune 2.1°C
6 Itseqqortoormiit 2.3°C
7 Nyhavn Sermersooq Kommune 2.8°C
8 Ammassalik Sermersooq Kommune 2.9°C
9 Hopen Svalbard 3.1°C
10 Danmark Island Sermersooq Kommune 3.3°C

More on this region