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

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

Swimming in september in London, Brighton, Isle of Wight, Jersey, Dover, Guernsey, Margate, Clovelly, Folkestone, Isle of Portland, Lowestoft, Seven Sisters, Southampton, Bournemouth, Colchester, Eastbourne, Hastings, Ipswich, Portsmouth, Southend-on-Sea and Worthing is possible but the sea is generally cool. So though the sea temperature may sometimes reach 66°F, it can also go as low as 62°F. Note that the average is 64°F.

Swimming in september in Bristol, Cornwall, Exmouth, Liverpool, Plymouth, Skegness, Torquay, Hull (Kingston-upon-Hull), Isles of Scilly, Falmouth, Hunstanton, Paignton, Penzance, Robin’s Hood Bay, Salcombe, Weymouth, Yarmouth, Barnstaple, Barrow in Furness, Blackpool, Chester, Exeter, Grimsby and Lancaster is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average temperature of 62°F (min: 61°F/max: 64°F).

Forget about swimming in Newcastle, Berwick-Upon-Tweed and Middlesbrough in september! The water temperature is freezing, reaching as low as 56°F (and only 62°F at the best of times). Our advice: plan on sightseeing, and don't bring your beach towel!