IT

Italy Sea Temperature in September

Historical 30-year sea surface temperatures across 56 coastlines in Italy for September. Derived from NOAA 0.25° blended satellite and in-situ marine observations.

Notice: 30-year historical climatological monthly mean (1991–2020), not a live single-day sensor forecast.

Tyrrhenian Sea Depth vs Northern Adriatic Shelf

The deep Tyrrhenian Sea surrounding Sardinia and western Italy forms a warm solar collector averaging 25.5–26.2°C in August. In contrast, the northern Venetian lagoon and upper Adriatic experience rapid seasonal heating and cooling over shallow sea beds.

Oceanographic Phenomenon: Deep Basin Solar Storage & Alpine Shelter
Thermal Lag Characteristic: Pronounced southern thermal lag: Sicily and Sardinia maintain 22.5–23.5°C water temperatures throughout October.
Peak Bathing Average: August (26.0°C)

Beaches in Italy during September

Chia (Su Giudeu)

Domus de Maria, Sardinia · Golden Sand

September Average: 24.1°C

Costa Rei

Muravera, Sardinia · Golden Sand

September Average: 24.3°C

Fetovaia

Elba, Tuscany · Golden Sand

September Average: 23.2°C

Torre dell'Orso

Melendugno, Puglia · Golden Sand

September Average: 23.9°C

Tuerredda

Teulada, Sardinia · Fine White Sand

September Average: 24.0°C

Berchida

Siniscola, Sardinia · Fine White Sand

September Average: 24.1°C

Cala Luna

Golfo di Orosei, Sardinia · Golden Sand

September Average: 24.5°C

Baia dei Turchi

Otranto, Salento · Fine White Sand

September Average: 24.0°C

Baia delle Zagare

Mattinata, Gargano · Pebbles / Shingle

September Average: 24.1°C

Porto Giunco

Villasimius, Sardinia · Fine White Sand

September Average: 24.3°C

Punta Prosciutto

Porto Cesareo, Puglia · Fine White Sand

September Average: 24.7°C

Cala Violina

Scarlino, Maremma · Fine White Sand

September Average: 23.0°C

Cala Sinzias

Castiadas, Sardinia · Golden Sand

September Average: 24.3°C

Cala Brandinchi

San Teodoro, Sardinia · Fine White Sand

September Average: 23.6°C

Marina di Alberese

Maremma Park, Tuscany · Volcanic Black Sand

September Average: 23.1°C

Fontane Bianche

Siracusa, Sicily · Fine White Sand

September Average: 24.9°C

San Fruttuoso

Portofino Peninsula, Liguria · Pebbles / Shingle

September Average: 22.9°C

Cala Coticcio

Caprera, La Maddalena · Golden Sand

September Average: 23.0°C

Calamosche

Vendicari, Noto, Sicily · Golden Sand

September Average: 24.9°C

Fiordo di Furore

Furore, Amalfi Coast · Pebbles / Shingle

September Average: 24.3°C

Polignano a Mare

Lama Monachile, Puglia · Pebbles / Shingle

September Average: 23.6°C

Porto Selvaggio

Nardò, Puglia · Pebbles / Shingle

September Average: 24.7°C

Cala Mariolu

Baunei, Gulf of Orosei · Pebbles / Shingle

September Average: 24.5°C

Cala Rossa

Favignana, Egadi Islands · Pebbles / Shingle

September Average: 24.4°C

Is Arutas

Cabras, Sinis Peninsula · Golden Sand

September Average: 23.3°C

Rimini Beach

Rimini, Emilia-Romagna · Golden Sand

September Average: 23.0°C

Baia del Silenzio

Sestri Levante, Liguria · Golden Sand

September Average: 22.9°C

Mondello

Palermo, Sicily · Fine White Sand

September Average: 25.3°C

Poetto

Cagliari, Sardinia · Golden Sand

September Average: 24.3°C

Baia di Paraggi

Portofino, Liguria · Golden Sand

September Average: 22.9°C

Monterosso al Mare

Cinque Terre, Liguria · Pebbles / Shingle

September Average: 23.1°C

Spiaggia Grande

Positano, Amalfi · Pebbles / Shingle

September Average: 24.3°C

Tropea Beach

Tropea, Calabria · Rocky Cove

September Average: 24.9°C

Fornillo Beach

Positano, Amalfi Coast · Volcanic Black Sand

September Average: 24.3°C

Isola Bella

Taormina, Sicily · Pebbles / Shingle

September Average: 25.0°C

Cefalù Beach

Cefalù, Sicily · Golden Sand

September Average: 25.5°C

Maronti Beach

Ischia, Campania · Volcanic Black Sand

September Average: 24.3°C