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Coldest sea in Croatia in September

234 coastal locations in Croatia ranked by typical September sea temperature, coldest first. Region-wide average in September: 23.7°C.

Coldest in September

Bakar

21.7°C September mean in Croatia

Regional September average

23.7°C

across all 234 coastal locations in Croatia

Vs annual mean

+4.9°C

above the year-round regional average

What the Croatia 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.

Croatia monthly average 13.2°C to 25.7°C
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  • Warmest month August 25.7°C
  • Coldest month March 13.2°C
  • Annual mean 18.8°C
  • Months above 20°C 5 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 Croatia month rankings:

Croatia sea temperature map (live)

The map shows today's latest reading at every Croatia location. The list below is based on the typical September mean.

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 coldest Croatia locations in September

Sorted by typical September mean from a decade of daily readings, coldest first. Click any place for the full location page.

# Location September mean
1 Bakar 21.7°C
2 Kraljevica 21.7°C
3 Moscenicka Draga 21.7°C
4 Cres 21.9°C
5 Lovran 21.9°C
6 Martinscica 21.9°C
7 Matulji 21.9°C
8 Medveja 21.9°C
9 Opatija 21.9°C
10 Rijeka 21.9°C
11 Valun 21.9°C
12 Cizici 22.5°C
13 Crikvenica 22.5°C
14 Dramalj 22.5°C
15 Jadranovo 22.5°C
16 Klenovica 22.5°C
17 Klimno 22.5°C
18 Krk 22.5°C
19 Malinska 22.5°C
20 Njivice 22.5°C
21 Novi Vinodolski 22.5°C
22 Omisalj 22.5°C
23 Povile 22.5°C
24 Punat 22.5°C
25 Selce 22.5°C
Show 25 more ▸
26 Soline 22.5°C
27 Vrbnik 22.5°C
28 Losinj 22.6°C
29 Mali Losinj 22.6°C
30 Nerezine 22.6°C
31 Lopar 23.0°C
32 Paradise Beach 23.0°C
33 San Marino 23.0°C
34 Silba 23.0°C
35 Stara Baska 23.0°C
36 Supetarska Draga 23.0°C
37 Baska 23.0°C
38 Cesarica 23.0°C
39 Karlobag 23.0°C
40 Livacina Beach 23.0°C
41 Metajna 23.0°C
42 Pag 23.0°C
43 Rab 23.0°C
44 Ribarica 23.0°C
45 Senj 23.0°C
46 Simuni 23.0°C
47 Sveti Juraj 23.0°C
48 Zagreb 23.0°C
49 Brsec 23.1°C
50 Labin 23.1°C

Warmest 10 in Croatia in September

Same data the other way. The warmest spots for the same month.

# Location September mean
1 Dubrovnik (Luka Gruz) Dubrovačko-neretvanska županija 24.8°C
2 Zaton Dubrovačko-neretvanska županija 24.8°C
3 Cavtat 24.6°C
4 Dubrovnik 24.6°C
5 Kolocep Island 24.6°C
6 Kupari 24.6°C
7 Mlini 24.6°C
8 Mokosica 24.6°C
9 Molunat 24.6°C
10 Orasac 24.6°C

More on this region