Swimming in Italy in september 2025 Sea temperature by city in september

Do you want to go to the beach in Italy in september 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in september in Italy by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in Italy in september 2025

Here, find the average sea temperature in Italy in september in several coastal cities.

Sardinia in september

on average:

76°F

min: 71°F / max: 80°F

on average:

75°F

min: 70°F / max: 79°F

on average:

75°F

min: 70°F / max: 80°F

on average:

75°F

min: 70°F / max: 79°F

Cala Luna

on average:

75°F

min: 70°F / max: 81°F

Capo San Marco

on average:

76°F

min: 71°F / max: 79°F

Sicily in september

on average:

78°F

min: 73°F / max: 83°F

on average:

78°F

min: 74°F / max: 82°F

on average:

77°F

min: 72°F / max: 81°F

on average:

78°F

min: 74°F / max: 83°F

on average:

78°F

min: 74°F / max: 82°F

on average:

78°F

min: 74°F / max: 82°F

South in september

on average:

77°F

min: 71°F / max: 83°F

on average:

77°F

min: 73°F / max: 81°F

on average:

77°F

min: 73°F / max: 82°F

on average:

77°F

min: 73°F / max: 82°F

on average:

77°F

min: 73°F / max: 82°F

on average:

77°F

min: 73°F / max: 82°F

Northeast in september

on average:

75°F

min: 69°F / max: 80°F

on average:

76°F

min: 70°F / max: 81°F

on average:

74°F

min: 69°F / max: 80°F

on average:

74°F

min: 69°F / max: 80°F

on average:

76°F

min: 70°F / max: 81°F

on average:

75°F

min: 70°F / max: 81°F

North West in september

on average:

74°F

min: 70°F / max: 78°F

Borgio Verezzi

on average:

73°F

min: 70°F / max: 77°F

on average:

73°F

min: 70°F / max: 77°F

on average:

74°F

min: 71°F / max: 78°F

on average:

74°F

min: 70°F / max: 78°F

on average:

74°F

min: 71°F / max: 77°F

Central in september

on average:

76°F

min: 69°F / max: 83°F

on average:

76°F

min: 69°F / max: 82°F

Anzio

on average:

76°F

min: 72°F / max: 80°F

Civitanova Marche

on average:

76°F

min: 69°F / max: 82°F

Civitavecchia

on average:

75°F

min: 70°F / max: 79°F

Gaeta

on average:

77°F

min: 73°F / max: 81°F

Tuscany in september

Calambrone

on average:

75°F

min: 72°F / max: 78°F

on average:

74°F

min: 71°F / max: 79°F

Capraia Isola

on average:

75°F

min: 71°F / max: 78°F

Follonica

on average:

75°F

min: 71°F / max: 79°F

Grosseto

on average:

75°F

min: 71°F / max: 79°F

Isola del Giglio

on average:

74°F

min: 70°F / max: 79°F

Where should you go swimming in Italy in the month of september?

Swimming in Italy in september is pleasant

In september in Italy swimming conditions are generally the same everywhere.

As for Cagliari, Palermo, Sicily, Alghero, Bari, Catane, Marsala, Naples, Olbia, Sardinia, Venice, Amalfi, Brindisi, Capri, Castelsardo, Cefalù, Amalfi Coast, Genoa, Ischia, Pescara, Pompeii, Positano, Rimini, Sorrento, Stromboli, Syracuse, Taormina, Trapani, Trieste, Borgio Verezzi, Cala Luna, Calambrone, Caorle, Capo San Marco, Diamante (Cosenza), Erice, Igea Marina, Isola d'Elba, Egadi Islands, Sulcis, Imperia, Isola di Ustica, Isola Tavolara, La Maddalena, Levanto, Lido di Spina, Marina di Camerota, Menfi, Mozia, Paestum, Porto Cervo, Portofino, Riserva Naturale Orientata dello Zingaro, Riserva naturale orientata Oasi Faunistica di Vendicari, Sampieri, San Teodoro, Scala dei Turchi, Stintino, Ancona, Anzio, Arbatax, Augusta, Avola, Bagheria, Barletta, Bosa, Capo d'Orlando, Capraia Isola, Carbonia, Carloforte, Castellammare del Golfo, Catanzaro, Chioggia, Cirò Marina, Civitanova Marche, Civitavecchia, Crotone, Dorgali - Cala Gonone, Ercolano, Favignana (Aegadian Islands), Follonica, Forio, Gaeta, Gallipoli, Gioia Tauro, Grosseto, Isola del Giglio, La Spezia, Licata, Lido di Ostia, Lipari (Aeolian Islands), Livorno, Manfredonia, Massa, Mazara del Vallo, Messina, Muravera, Oristano, Orosei and Pachino, swimming is pleasant in september. The sea water is 76°F on average (min: 71°F/max: 80°F) so you can easily spend time in the water.

Where to go swimming in Italy in september: the map of sea temperatures

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Water temperature and seasonal norms in september

Cagliari

September
Average sea temperature 76°F
Minimum sea temperature 71°F
Maximum sea temperature 80°F
Average outside temperature 77°F
Maximum outside temperature 81°F
Minimum outside temperature 72°F
Precipitation 2.3in
Number of days of precipitation 3 jour(s)
(11%)
Cloud cover 16%
Our opinion pleasant swimming

More information on swimming in Cagliari in september

Palermo

September
Average sea temperature 78°F
Minimum sea temperature 73°F
Maximum sea temperature 83°F
Average outside temperature 77°F
Maximum outside temperature 81°F
Minimum outside temperature 74°F
Precipitation 5.2in
Number of days of precipitation 7 jour(s)
(24%)
Cloud cover 20%
Our opinion pleasant swimming

More information on swimming in Palermo in september

Sicily

September
Average sea temperature 77°F
Minimum sea temperature 73°F
Maximum sea temperature 80°F
Average outside temperature 79°F
Maximum outside temperature 83°F
Minimum outside temperature 76°F
Precipitation 2.6in
Number of days of precipitation 3 jour(s)
(11%)
Cloud cover 15%
Our opinion pleasant swimming

More information on swimming in Sicily in september

Alghero

September
Average sea temperature 75°F
Minimum sea temperature 70°F
Maximum sea temperature 79°F
Average outside temperature 76°F
Maximum outside temperature 79°F
Minimum outside temperature 70°F
Precipitation 2.6in
Number of days of precipitation 4 jour(s)
(14%)
Cloud cover 18%
Our opinion pleasant swimming

More information on swimming in Alghero in september

Bari

September
Average sea temperature 77°F
Minimum sea temperature 71°F
Maximum sea temperature 83°F
Average outside temperature 77°F
Maximum outside temperature 81°F
Minimum outside temperature 72°F
Precipitation 3.3in
Number of days of precipitation 5 jour(s)
(15%)
Cloud cover 18%
Our opinion pleasant swimming

More information on swimming in Bari in september

List of coastal cities in Italy

Cagliari in septemberpleasant swimming
Palermo in septemberpleasant swimming
Sicily in septemberpleasant swimming
Alghero in septemberpleasant swimming
Bari in septemberpleasant swimming
Catane in septemberpleasant swimming
Marsala in septemberpleasant swimming
Naples in septemberpleasant swimming
Olbia in septemberpleasant swimming
Sardinia in septemberpleasant swimming
Venice in septemberpleasant swimming
Amalfi in septemberpleasant swimming
Brindisi in septemberpleasant swimming
Capri in septemberpleasant swimming
Castelsardo in septemberpleasant swimming
Cefalù in septemberpleasant swimming
Amalfi Coast in septemberpleasant swimming
Genoa in septemberpleasant swimming
Ischia in septemberpleasant swimming
Pescara in septemberpleasant swimming
Pompeii in septemberpleasant swimming
Positano in septemberpleasant swimming
Rimini in septemberpleasant swimming
Sorrento in septemberpleasant swimming
Stromboli in septemberpleasant swimming
Syracuse in septemberpleasant swimming
Taormina in septemberpleasant swimming
Trapani in septemberpleasant swimming
Trieste in septemberpleasant swimming
Borgio Verezzi in septemberpleasant swimming
Cala Luna in septemberpleasant swimming
Calambrone in septemberpleasant swimming
Caorle in septemberpleasant swimming
Capo San Marco in septemberpleasant swimming
Diamante (Cosenza) in septemberpleasant swimming
Erice in septemberpleasant swimming
Igea Marina in septemberpleasant swimming
Isola d'Elba in septemberpleasant swimming
Egadi Islands in septemberpleasant swimming
Sulcis in septemberpleasant swimming
Imperia in septemberpleasant swimming
Isola di Ustica in septemberpleasant swimming
Isola Tavolara in septemberpleasant swimming
La Maddalena in septemberpleasant swimming
Levanto in septemberpleasant swimming
Lido di Spina in septemberpleasant swimming
Marina di Camerota in septemberpleasant swimming
Menfi in septemberpleasant swimming
Mozia in septemberpleasant swimming
Paestum in septemberpleasant swimming
Porto Cervo in septemberpleasant swimming
Portofino in septemberpleasant swimming
Riserva Naturale Orientata dello Zingaro in septemberpleasant swimming
Riserva naturale orientata Oasi Faunistica di Vendicari in septemberpleasant swimming
Sampieri in septemberpleasant swimming
San Teodoro in septemberpleasant swimming
Scala dei Turchi in septemberpleasant swimming
Stintino in septemberpleasant swimming
Ancona in septemberpleasant swimming
Anzio in septemberpleasant swimming
Arbatax in septemberpleasant swimming
Augusta in septemberpleasant swimming
Avola in septemberpleasant swimming
Bagheria in septemberpleasant swimming
Barletta in septemberpleasant swimming
Bosa in septemberpleasant swimming
Capo d'Orlando in septemberpleasant swimming
Capraia Isola in septemberpleasant swimming
Carbonia in septemberpleasant swimming
Carloforte in septemberpleasant swimming
Castellammare del Golfo in septemberpleasant swimming
Catanzaro in septemberpleasant swimming
Chioggia in septemberpleasant swimming
Cirò Marina in septemberpleasant swimming
Civitanova Marche in septemberpleasant swimming
Civitavecchia in septemberpleasant swimming
Crotone in septemberpleasant swimming
Dorgali - Cala Gonone in septemberpleasant swimming
Ercolano in septemberpleasant swimming
Favignana (Aegadian Islands) in septemberpleasant swimming
Follonica in septemberpleasant swimming
Forio in septemberpleasant swimming
Gaeta in septemberpleasant swimming
Gallipoli in septemberpleasant swimming
Gioia Tauro in septemberpleasant swimming
Grosseto in septemberpleasant swimming
Isola del Giglio in septemberpleasant swimming
La Spezia in septemberpleasant swimming
Licata in septemberpleasant swimming
Lido di Ostia in septemberpleasant swimming
Lipari (Aeolian Islands) in septemberpleasant swimming
Livorno in septemberpleasant swimming
Manfredonia in septemberpleasant swimming
Massa in septemberpleasant swimming
Mazara del Vallo in septemberpleasant swimming
Messina in septemberpleasant swimming
Muravera in septemberpleasant swimming
Oristano in septemberpleasant swimming
Orosei in septemberpleasant swimming
Pachino in septemberpleasant swimming
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