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

In september in Portugal swimming conditions vary by city. Details below:

As for Angra do Heroismo (Terceira), Funchal, Albufeira, Faro (Algarve), Ilha do Porto Santo, Lagos, Ponta Delgada, Portimao, Achadas da Cruz, Aljezur, Altura, Arco de São Jorge, Cabo Girão, Calheta, Caniçal, Carvoeiro, Furnas, Gaula, Jardim do Mar, Madalena do Mar, Ponta de São Lourenço, Ponta Delgada, Ponta do Pargo, Porto da Cruz, Porto Moniz, Praia da Arrifana, Praia da Rocha, Praia de Machico, Praia Formosa, Ria Formosa, Santa Cruz (Madeira), Santana (Madeira), São Jorge, São Miguel, São Vicente, Seixal, Tavira Municipality, Vila Baleira, Arco da Calheta, Câmara de Lobos, Canico, Luz, Machico, Monte Gordo, Olhao, Ponta do Sol, Quarteira, Ribeira Brava, Sagres, Vila do Bispo and Vila Real de Santo António, swimming is pleasant in september. The sea water is 74°F on average (min: 71°F/max: 77°F) so you can easily spend time in the water.

Swimming in september in Lisbon, Aveiro, Porto, Viana do Castelo, Cascais, Praia de Mira, Sines, Caminha, Colares, Costa da Caparica, Costa Nova do Prado, Foz do Arelho, Guincho, Arcozelo, Canidelo, Ericeira, Esmoriz, Espinho, Esposende, Estoril, Figueira da Foz Municipality, Gafanha da Nazare, Lavra, Leca da Palmeira, Lourinhã, Marinha Grande, Montijo, Nazaré, Ovar, Peniche, Porto Covo, Póvoa de Varzim, Sao Martinho do Porto, Sao Teotonio, Sesimbra, Setúbal, Vila do Conde, Vila Nova de Milfontes and Vila Praia de Ancora is possible but the sea is generally cool. So though the sea temperature may sometimes reach 71°F, it can also go as low as 66°F. Note that the average is 68°F.