Where is the sea warmest in Europe in September?
In September the warmest sea in Europe is at Rizokárpaso, Cyprus, at 28.6°C. 138 of 355 cities measured are comfortable this month.
| # | City | Country | Sea | Swimming |
|---|---|---|---|---|
| 1 | Rizokárpaso | Cyprus | 28.6°C | Bath-like |
| 2 | Kyrenia | Cyprus | 28.4°C | Bath-like |
| 3 | Famagusta | Cyprus | 28.4°C | Bath-like |
| 4 | Mórfou | Cyprus | 28.3°C | Bath-like |
| 5 | Larnaca | Cyprus | 27.8°C | Bath-like |
| 6 | Paphos | Cyprus | 27.7°C | Bath-like |
| 7 | Limassol | Cyprus | 27.3°C | Bath-like |
| 8 | Victoria | Malta | 27.0°C | Bath-like |
| 9 | Valletta | Malta | 27.0°C | Bath-like |
| 10 | Palermo | Italy | 26.7°C | Bath-like |
| 11 | Campora San Giovanni | Italy | 26.4°C | Bath-like |
| 12 | Messina | Italy | 26.4°C | Bath-like |
| 13 | Siracusa | Italy | 26.3°C | Bath-like |
| 14 | Palma | Spain | 26.3°C | Bath-like |
| 15 | Catania | Italy | 26.3°C | Bath-like |
| 16 | Crotone | Italy | 26.2°C | Bath-like |
| 17 | Kórinthos | Greece | 26.2°C | Bath-like |
| 18 | Castelló de la Plana | Spain | 26.1°C | Bath-like |
| 19 | Náfplio | Greece | 26.1°C | Bath-like |
| 20 | Valencia | Spain | 26.0°C | Bath-like |
| 21 | Alicante | Spain | 26.0°C | Bath-like |
| 22 | Pátra | Greece | 26.0°C | Very comfortable |
| 23 | Athens | Greece | 26.0°C | Very comfortable |
| 24 | Torrevieja | Spain | 26.0°C | Very comfortable |
| 25 | Rethymno | Greece | 26.0°C | Very comfortable |
Ranked on the NOAA OISST monthly climatology — a long-run average for September, not a forecast. A given September will run warmer or cooler than this, and the sea is warmest late in the afternoon and late in the season.