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Coldest sea in Greece in September

632 coastal locations in Greece ranked by typical September sea temperature, coldest first. Region-wide average in September: 25.2°C.

Coldest in September

Anaxos

22.1°C September mean in Greece

Regional September average

25.2°C

across all 632 coastal locations in Greece

Vs annual mean

+4.9°C

above the year-round regional average

What the Greece sea feels like in September

This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.

Greece monthly average 15.6°C to 26.4°C
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  • Warmest month August 26.4°C
  • Coldest month March 15.6°C
  • Annual mean 20.4°C
  • Months above 20°C 6 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 Greece month rankings:

Greece sea temperature map (live)

The map shows today's latest reading at every Greece 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 Greece 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 Anaxos Aegean Islands 22.1°C
2 Molyvos Aegean Islands 22.1°C
3 Made Crete 22.1°C
4 Míthymna Ionian Islands 22.4°C
5 Pétra Ionian Islands 22.4°C
6 Lesbos Aegean Islands 22.7°C
7 Mytilini Aegean Islands 22.7°C
8 Mytilíni Ionian Islands 22.9°C
9 Psará Ionian Islands 23.0°C
10 Chios Aegean Islands 23.1°C
11 Oinoússes Ionian Islands 23.1°C
12 Lagkáda Ionian Islands 23.3°C
13 Vrontádos Ionian Islands 23.3°C
14 Ágios Efstrátios Ionian Islands 23.3°C
15 Fourni Aegean Islands 23.5°C
16 Armenistis Aegean Islands 23.5°C
17 Icaria Aegean Islands 23.5°C
18 Votsalakia Beach Aegean Islands 23.5°C
19 Ágios Kírykos Ionian Islands 23.5°C
20 Foúrnoi Ionian Islands 23.5°C
21 Kokkari Aegean Islands 23.6°C
22 Samos Island Aegean Islands 23.6°C
23 Donoussa Aegean Islands 23.6°C
24 Patmos Aegean Islands 23.6°C
25 Pythagoreio Aegean Islands 23.6°C
Show 25 more ▸
26 Amorgos island Cyclades 23.7°C
27 Kokkárion Samos 23.7°C
28 Sámos Samos 23.7°C
29 Vathý Ionian Islands 23.7°C
30 Koufonisia Aegean Islands 23.7°C
31 Schoinousa Aegean Islands 23.7°C
32 Mykonos Cyclades 23.7°C
33 Platis Yalos Aegean Islands 23.7°C
34 Lemnos Aegean Islands 23.8°C
35 Myrina Aegean Islands 23.8°C
36 Tinos Cyclades 23.8°C
37 Agios Prokopios Cyclades 23.8°C
38 Mikri Vigla Cyclades 23.8°C
39 Naxos Cyclades 23.8°C
40 Plaka Beach Cyclades 23.8°C
41 Skýros Ionian Islands 23.8°C
42 Leros Aegean Islands 23.9°C
43 Alexandroupoli Eastern Macedonia and Thrace 23.9°C
44 Leipsoí Ionian Islands 24.0°C
45 Megálo Chorió Ionian Islands 24.0°C
46 Andros Cyclades 24.0°C
47 Ios island Cyclades 24.0°C
48 Amorgós Ionian Islands 24.1°C
49 Parikia Cyclades 24.1°C
50 Paros Cyclades 24.1°C

Warmest 10 in Greece in September

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

# Location September mean
1 Megisti (Kastellorizo) Notio Aigaio 28.1°C
2 Kastellorizo Aegean Islands 27.9°C
3 Akrotiri Santorini 27.4°C
4 Rodos Notio Aigaio 27.0°C
5 Agathi Beach Rhodes Island 26.8°C
6 Charaki Rhodes Island 26.8°C
7 Kalathos Rhodes Island 26.8°C
8 Lardos Rhodes Island 26.8°C
9 Lindos Rhodes Island 26.8°C
10 Pefki Rhodes Island 26.8°C

More on this region