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Warmest sea in Italy in September

609 coastal locations in Italy ranked by their typical September sea temperature. Region-wide average in September: 24.9°C. The top of the list is where to find the warmest swimming this month.

Warmest in September

Lampedusa

27.2°C September mean in Italy

Regional September average

24.9°C

across all 609 coastal locations in Italy

Vs annual mean

+5.4°C

above the year-round regional average

What the Italy 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.

Italy monthly average 13.8°C to 26.7°C
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  • Warmest month August 26.7°C
  • Coldest month February 13.8°C
  • Annual mean 19.5°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 Italy month rankings:

Italy sea temperature map (live)

The map shows today's latest reading at every Italy 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 Italy 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 Lampedusa Sicilia 27.2°C
2 Sant'Agata Di Militello Sicilia 26.9°C
3 Spiaggia dei Conigli Lampedusa 26.8°C
4 Linosa Sicily 26.6°C
5 Oliveri Sicilia 26.6°C
6 Pollina Sicily 26.6°C
7 Campofelice di Roccella Sicily 26.5°C
8 Cefalu Sicily 26.5°C
9 Santo Stefano di Camastra Sicily 26.5°C
10 Termini Imerese Sicily 26.5°C
11 Acquedolci Sicily 26.5°C
12 Capo d'Orlando Sicily 26.5°C
13 Torrenova Sicily 26.5°C
14 Bagheria Sicily 26.4°C
15 Santa Flavia Sicily 26.4°C
16 Trabia Sicily 26.4°C
17 Sant'Alessio Siculo Sicilia 26.4°C
18 Locri Calabria 26.4°C
19 Mondello Sicily 26.4°C
20 Palermo Sicily 26.4°C
21 Siderno Calabria 26.4°C
22 Gioiosa Marea Sicily 26.4°C
23 Patti Sicily 26.4°C
24 Piraino Sicily 26.4°C
25 Alì Terme Sicilia 26.3°C
Show 25 more ▸
26 Brancaleone Calabria 26.3°C
27 Acitrezza Sicilia 26.3°C
28 Alicudi Aeolian Islands 26.3°C
29 Sampieri Sicily 26.3°C
30 Bianco Calabria 26.3°C
31 Balestrate Sicily 26.3°C
32 Isola Delle Femmine Sicily 26.3°C
33 Lipari Aeolian Islands 26.3°C
34 Terrasini Sicily 26.3°C
35 Trappeto Sicily 26.3°C
36 Vulcano Aeolian Islands 26.3°C
37 Capo Peloro Sicilia 26.3°C
38 Reggio Calabria Calabria 26.3°C
39 Filicudi Aeolian Islands 26.2°C
40 Ustica Sicily 26.2°C
41 Falcone Sicily 26.2°C
42 Milazzo Sicily 26.2°C
43 Tindari Sicily 26.2°C
44 Gioia Tauro Calabria 26.2°C
45 Catanzaro Calabria 26.2°C
46 Copanello Calabria 26.2°C
47 Marincoli Calabria 26.2°C
48 Roccelletta Calabria 26.2°C
49 Simeri Mare Calabria 26.2°C
50 Leni Sicily 26.2°C

Coldest 10 in Italy in September

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

# Location September mean
1 Andora Liguria 23.3°C
2 Diano Marina Liguria 23.3°C
3 Imperia Liguria 23.3°C
4 San Bartolomeo Al Mare Liguria 23.3°C
5 Arma di Taggia Liguria 23.5°C
6 Riva Ligure Liguria 23.5°C
7 Riviera dei Fiori Liguria 23.5°C
8 San Lorenzo Al Mare Liguria 23.5°C
9 San Remo Liguria 23.5°C
10 Santo Stefano Al Mare Liguria 23.5°C

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