Seasonal ranking
Coldest sea temperature in Texas in September
Where the sea is coolest across Texas during September, ranked by long-term monthly average water temperature. South Padre Island (Texas, United States) is the coolest at around 29°C. Open any spot for today's live water temperature and a 7-day swim forecast.
- 1South Padre IslandTexas · United States · Gulf of MexicoWarm — comfortable swimming29°CSeptember average
- 2Mustang IslandTexas · United States · Gulf of MexicoWarm — comfortable swimming29°CSeptember average
- 3North Padre IslandTexas · United States · Gulf of MexicoWarm — comfortable swimming29°CSeptember average
- 4Rockport BeachTexas · United States · Gulf of MexicoWarm — comfortable swimming29°CSeptember average
- 5Matagorda BeachTexas · United States · Gulf of MexicoWarm — comfortable swimming29°CSeptember average
- 6Stewart BeachTexas · United States · Gulf of MexicoWarm — comfortable swimming29°CSeptember average
- 7Crystal BeachTexas · United States · Gulf of MexicoWarm — comfortable swimming29°CSeptember average
- 8Surfside Beach TXTexas · United States · Gulf of MexicoWarm — comfortable swimming29°CSeptember average
- 9Quintana BeachTexas · United States · Gulf of MexicoWarm — comfortable swimming29°CSeptember average
- 10Jamaica BeachTexas · United States · Gulf of MexicoWarm — comfortable swimming29°CSeptember average
- 11Sea Rim State ParkTexas · United States · Gulf of MexicoWarm — comfortable swimming29°CSeptember average
- 12Boca Chica BeachTexas · United States · Gulf of MexicoWarm — comfortable swimming29°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 RivieraAlgarveAmalfi CoastCosta BravaGreek IslandsDalmatian CoastFlorida KeysGreat Barrier Reef CoastCaliforniaFloridaHawaiiNew JerseyNorth CarolinaMassachusettsSouth CarolinaNew YorkPuerto RicoMaineOregonMichiganGeorgiaWashington
Texas in September — frequently asked questions
- Where is the sea coldest in Texas in September?
- South Padre Island in United States has the coldest sea in Texas in September, averaging about 29.0 °C. Mustang Island (29.0 °C) and North Padre Island are the next coolest.
- How many beaches in Texas are warm enough to swim in September?
- 12 of the top 12 ranked beaches in Texas average 22 °C or more in September, which most swimmers find comfortable without a wetsuit.
- 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