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

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

Swimming in september in Isle of Whithorn and Kirkcudbright is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average temperature of 60°F (min: 59°F/max: 62°F).

Forget about swimming in Edinburgh, Aberdeen, Glasgow, Inverness, Dundee, Fort William, Isle of Mull, Kirkwall, Lerwick, Skye, Stornoway, Applecross, Durness, Eyemouth, Glencoe, Helmsdale, Shetland islands, Oban, Perth, Portpatrick, Staffa island, Thurso, Tobermory, Anstruther, Arbroath, Ardrossan, Ayr, Bo'ness, Brora, Buckie, Burntisland, Campbeltown, Carnoustie, Cockenzie, Dingwall, Dumbarton, Dunbar, Dunoon, Elgin, Fraserburgh, Girvan, Gourock, Greenock, Helensburgh, Orkney islands, Inverbervie, Invergordon, Kilmarnock, Kirkcaldy, Largs, Lossiemouth, Macduff, Methil, Monifieth, Montrose, Musselburgh, Nairn, North Berwick, Peterhead, Portlethen, Portree, Prestonpans, Prestwick, Rothesay, St Andrews, Stonehaven, Stranraer, Tarbert, Troon, Ullapool and Wick in september! The water temperature is freezing, reaching as low as 57°F (and only 60°F at the best of times). Our advice: plan on sightseeing, and don't bring your beach towel!