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Seasonal ranking

Warmest sea temperature in United Kingdom in September

Where the sea is warmest across United Kingdom during September, ranked by long-term monthly average water temperature. Fistral Beach (Cornwall, United Kingdom) tops the list at around 16°C. Open any spot for today's live water temperature and a 7-day swim forecast.

  1. 1
    Fistral Beach
    Cornwall · United Kingdom · Celtic Sea
    Cool — shorty wetsuit recommended
    16°C
    September average
  2. 2
    Porthcurno
    Cornwall · United Kingdom · Celtic Sea
    Cool — shorty wetsuit recommended
    16°C
    September average
  3. 3
    Sennen Cove
    Cornwall · United Kingdom · Celtic Sea
    Cool — shorty wetsuit recommended
    16°C
    September average
  4. 4
    Kynance Cove
    Cornwall · United Kingdom · Celtic Sea
    Cool — shorty wetsuit recommended
    16°C
    September average
  5. 5
    Polzeath
    Cornwall · United Kingdom · Celtic Sea
    Cool — shorty wetsuit recommended
    16°C
    September average
  6. 6
    Perranporth
    Cornwall · United Kingdom · Celtic Sea
    Cool — shorty wetsuit recommended
    16°C
    September average
  7. 7
    Porthmeor
    Cornwall · United Kingdom · Celtic Sea
    Cool — shorty wetsuit recommended
    16°C
    September average
  8. 8
    Praa Sands
    Cornwall · United Kingdom · Celtic Sea
    Cool — shorty wetsuit recommended
    16°C
    September average
  9. 9
    Woolacombe
    Devon · United Kingdom · Celtic Sea
    Cool — shorty wetsuit recommended
    16°C
    September average
  10. 10
    Croyde Bay
    Devon · United Kingdom · Celtic Sea
    Cool — shorty wetsuit recommended
    16°C
    September average
  11. 11
    Saunton Sands
    Devon · United Kingdom · Celtic Sea
    Cool — shorty wetsuit recommended
    16°C
    September average
  12. 12
    Bantham
    Devon · United Kingdom · Celtic Sea
    Cool — shorty wetsuit recommended
    16°C
    September average
  13. 13
    Blackpool Sands
    Devon · United Kingdom · Celtic Sea
    Cool — shorty wetsuit recommended
    16°C
    September average
  14. 14
    Bournemouth Beach
    Dorset & South Coast · United Kingdom · English Channel
    Cool — shorty wetsuit recommended
    16°C
    September average
  15. 15
    Sandbanks
    Dorset & South Coast · United Kingdom · English Channel
    Cool — shorty wetsuit recommended
    16°C
    September average
  16. 16
    Studland
    Dorset & South Coast · United Kingdom · English Channel
    Cool — shorty wetsuit recommended
    16°C
    September average
  17. 17
    Durdle Door
    Dorset & South Coast · United Kingdom · English Channel
    Cool — shorty wetsuit recommended
    16°C
    September average
  18. 18
    Weymouth Beach
    Dorset & South Coast · United Kingdom · English Channel
    Cool — shorty wetsuit recommended
    16°C
    September average
  19. 19
    West Wittering
    Dorset & South Coast · United Kingdom · English Channel
    Cool — shorty wetsuit recommended
    16°C
    September average
  20. 20
    Camber Sands
    Dorset & South Coast · United Kingdom · English Channel
    Cool — shorty wetsuit recommended
    16°C
    September average
  21. 21
    Brighton Beach
    Dorset & South Coast · United Kingdom · English Channel
    Cool — shorty wetsuit recommended
    16°C
    September average
  22. 22
    Holkham
    East Coast · United Kingdom · North Sea
    Cool — shorty wetsuit recommended
    16°C
    September average
  23. 23
    Cromer Beach
    East Coast · United Kingdom · North Sea
    Cool — shorty wetsuit recommended
    16°C
    September average
  24. 24
    Whitby
    East Coast · United Kingdom · North Sea
    Cool — shorty wetsuit recommended
    16°C
    September average
  25. 25
    Scarborough South Bay
    East Coast · United Kingdom · North Sea
    Cool — shorty wetsuit recommended
    16°C
    September average

Warmest sea in September elsewhere

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United Kingdom in September — frequently asked questions

Where is the sea warmest in United Kingdom in September?
Fistral Beach in United Kingdom has the warmest sea in United Kingdom in September, averaging about 16.0 °C. Porthcurno (16.0 °C) and Sennen Cove follow close behind.
How many beaches in United Kingdom are warm enough to swim in September?
None of the top 25 ranked beaches in United Kingdom 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.

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