Monthly Climate
Menu

Warmest sea temperatures in Europe in September

Nicosia tops the list at 27 °C in September. Ranked from 1991–2020 climate normals across 50 destinations.

# Destination Country Sea temp Avg high Rainfall
1 Nicosia Cyprus 27 °C 32 °C 11 mm
2 Limassol Cyprus 26 °C 30 °C 3 mm
3 Valletta Malta 26 °C 26 °C 34 mm
4 Palermo Italy 25 °C 27 °C 61 mm
5 Athens Greece 25 °C 28 °C 17 mm
6 Catania Italy 25 °C 28 °C 52 mm
7 Palma Spain 25 °C 27 °C 45 mm
8 Reggio Calabria Italy 25 °C 26 °C 80 mm
9 Messina Italy 25 °C 26 °C 77 mm
10 Elche Spain 25 °C 28 °C 36 mm
11 Taranto Italy 25 °C 26 °C 48 mm
12 Alicante Spain 25 °C 27 °C 47 mm
13 Castelló de la Plana Spain 25 °C 26 °C 47 mm
14 Valencia Spain 25 °C 27 °C 60 mm
15 Pátra Greece 25 °C 27 °C 52 mm
16 Thessaloníki Greece 25 °C 27 °C 49 mm
17 Cartagena Spain 24 °C 26 °C 38 mm
18 Naples Italy 24 °C 25 °C 90 mm
19 Sochi Russia 24 °C 23 °C 111 mm
20 La Laguna Spain 24 °C 22 °C 14 mm
21 Bari Italy 24 °C 25 °C 57 mm
22 Badalona Spain 24 °C 24 °C 79 mm
23 Barcelona Spain 24 °C 24 °C 79 mm
24 Sabadell Spain 24 °C 24 °C 89 mm
25 Durrës Albania 24 °C 24 °C 115 mm
26 Las Palmas de Gran Canaria Spain 23 °C 25 °C 12 mm
27 Novorossiysk Russia 23 °C 24 °C 44 mm
28 Almería Spain 23 °C 28 °C 17 mm
29 Livorno Italy 23 °C 24 °C 100 mm
30 San Marino San Marino 23 °C 21 °C 77 mm
31 Genoa Italy 23 °C 24 °C 125 mm
32 Makhachkala Russia 23 °C 23 °C 65 mm
33 Trieste Italy 23 °C 22 °C 168 mm
34 Nice France 22 °C 24 °C 74 mm
35 Varna Bulgaria 22 °C 23 °C 52 mm
36 Monaco Monaco 22 °C 23 °C 76 mm
37 Jerez de la Frontera Spain 22 °C 29 °C 27 mm
38 Constanţa Romania 22 °C 22 °C 50 mm
39 Málaga Spain 22 °C 26 °C 25 mm
40 Toulon France 22 °C 24 °C 68 mm
41 Sevastopol Ukraine 22 °C 22 °C 35 mm
42 Marbella Spain 21 °C 25 °C 31 mm
43 Marseille France 21 °C 24 °C 72 mm
44 Donostia / San Sebastián Spain 21 °C 21 °C 102 mm
45 Gibraltar Gibraltar 21 °C 25 °C 36 mm
46 Santander Spain 20 °C 22 °C 82 mm
47 Bilbao Spain 20 °C 22 °C 65 mm
48 Odesa Ukraine 20 °C 21 °C 39 mm
49 Montpellier France 20 °C 24 °C 107 mm
50 Gijón Spain 20 °C 21 °C 78 mm

Only destinations with a published page for that month are ranked. The ranking is ours; the underlying values are reproduced from the source.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: ranking order, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.