Seasonal ranking
Coldest sea temperature in Algarve in September
Where the sea is coolest across Algarve during September, ranked by long-term monthly average water temperature. Praia da Falésia (Algarve, Portugal) is the coolest at around 21°C. Open any spot for today's live water temperature and a 7-day swim forecast.
- 1Praia da FalésiaAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 2Praia da RochaAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 3Praia de BenagilAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 4Praia da LuzAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 5Praia de TaviraAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 6Praia de QuarteiraAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 7Praia de AlvorAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 8Praia de OdeceixeAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 9Burgau BeachAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 10Praia da SalemaAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 11Praia da FigueiraAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 12Praia do ZavialAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 13Praia do BelicheAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 14Praia do BarrancoAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 15Praia da Marinha RicaAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 16Praia de Vale de CenteanesAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 17Praia dos Olhos de AguaAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 18Praia da Rocha BaixinhaAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 19Praia do TrafalAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 20Praia do AncaoAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 21Praia de CabanasAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 22Praia da Manta RotaAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 23Praia de Monte GordoAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 24Praia da AlagoaAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 25Ilha da CulatraAlgarve · Portugal · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
Coldest sea in September elsewhere
EuropeNorth AmericaSouth AmericaAsiaAfricaOceaniaUnited StatesUnited KingdomAustraliaItalySpainFranceGreeceMexicoPortugalNew ZealandCroatiaCanadaIrelandThailandIndonesiaPhilippinesBrazilSwedenPolandDenmarkNorwayTurkeyNetherlandsGermanyBulgariaJapanCyprusEgyptIndiaSouth AfricaDominican RepublicRomaniaCosta RicaMaltaPuerto RicoBahamasBelgiumBarbadosSouth KoreaVietnamJamaicaSri LankaUnited Arab EmiratesOmanUS Virgin IslandsAntigua and BarbudaPanamaFinlandMalaysiaCuracaoArgentinaChileColombiaIsraelTanzaniaMoroccoTunisiaTurks and CaicosFijiArubaAlbaniaUruguayPeruMaldivesMauritiusBelizeNicaraguaSaint LuciaCubaMozambiqueFrench PolynesiaBonaireHondurasFrench RivieraAmalfi CoastCosta BravaGreek IslandsDalmatian CoastFlorida KeysGreat Barrier Reef CoastCaliforniaFloridaHawaiiNew JerseyNorth CarolinaMassachusettsSouth CarolinaTexasNew YorkPuerto RicoMaineOregonMichiganGeorgiaWashington
Algarve in September — frequently asked questions
- Where is the sea coldest in Algarve in September?
- Praia da Falésia in Portugal has the coldest sea in Algarve in September, averaging about 21.0 °C. Praia da Rocha (21.0 °C) and Praia de Benagil are the next coolest.
- How many beaches in Algarve are warm enough to swim in September?
- None of the top 25 ranked beaches in Algarve reach 22 °C in September, so a wetsuit is recommended for anything longer than a quick dip.
- How are these September sea temperatures calculated?
- Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical September rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.
Explore every sea temperature page
Jump straight to a country, coastal region, city, seasonal ranking or comparison.
Sea temperature by country
Coastal region hubs
Water temperature today by city
Warmest sea in August
Warmest sea month by month (Europe)
Coldest sea this month
Swimming guides
The best time to swim in the MediterraneanWhat sea temperature is safe to swim in?Swimming with kids: the best European beachesHow sea-surface temperature data actually worksWhat sea temperature is good for snorkelling?The best time to swim in SpainThe best time to swim in GreeceThe best time to swim in CroatiaThe best time to swim in FloridaThe best time to swim in CaliforniaThe best time to swim in AustraliaA beginner's guide to cold-water swimmingWarmest European beaches in OctoberFamily beach safety tips for every swimmerWetsuit guide: what to wear by water temperatureThe best time to swim in the CaribbeanThe best time to swim in MexicoThe best time to swim in ThailandThe best time to swim in PortugalThe best time to swim in TurkeyThe best time to swim in EgyptThe best time to swim in FranceThe best time to swim in ItalyBest beaches for snorkelling around the worldBest beaches for surfing by water temperatureHow to survive a rip currentJellyfish and marine life safety for swimmersHow to read a water temperature forecastLake Michigan water temperature: what to expectBest lakes to swim in the United StatesGreat Lakes swimming guideThe best time to swim in HawaiiThe best time to swim in the MaldivesThe best time to swim in Bali
Popular beach comparisons
Cala Estreta vs Platja d'AroCala Estreta vs Cala Sa TunaCala Pola vs Platja de LloretPlatja de Sant Pol vs Platja GranCala Montjoi vs Platja de PalsCala Pola vs Platja de Sant PolCala Estreta vs Platja de PalsAiguablava vs Cala EstretaCambrils Playa vs Platja de la PinedaPlatja de la Pineda vs Platja LlargaPlatja del Miracle vs Salou LevantePlaya del Carabassí vs Playa del PostiguetPlaya de San Juan vs Playa del CarabassíPlaya de la Fossa vs Playa de LevantePlaya de la Fossa vs Playa de PonienteCala Finestrat vs Playa del AlbirCala el Portet vs Playa de la FossaCala del Moraig vs Playa del ArenalCompare any two beaches →
Freshwater swimming
Keep exploring
Live sea temperature mapEvery coast, updated hourlyWarmest beaches todayLive ranking right nowCompare two beachesSide-by-side swim conditionsLake water temperaturesFreshwater swimming spotsRivers & swimming holesWild swimming conditionsAll destinationsBrowse by country & region