Can you swim at Porthminster in September? — 16.0°C water
Yes, but expect a fresh dip
Average sea · September
16.0°C
Live water now
…
Recommended wetsuit
3/2mm fullsuit
mild
It depends. Porthminster sits around 16.0°C in September; confident swimmers will be fine, casual bathers may prefer short sessions.
Monthly averages set expectations, but the specific beach today depends on wind, swell and recent weather. Check the live value at the top of this page or open the Porthminster live page for full conditions.
Frequently asked questions
What is the average sea temperature at Porthminster in September?
Porthminster averages 16.0°C in September, based on long-run climatology for the Celtic Sea.
Is the sea warm enough to swim at Porthminster in September?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Porthminster in September?
A 2 mm shorty is comfortable for sessions over 30 minutes.
