Can you swim at Colwell Bay 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. Colwell Bay 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 Colwell Bay live page for full conditions.

Frequently asked questions

What is the average sea temperature at Colwell Bay in September?

Colwell Bay averages 16.0°C in September, based on long-run climatology for the English Channel.

Is the sea warm enough to swim at Colwell Bay in September?

It is swimmable but fresh; confident swimmers will be fine without a wetsuit.

Do I need a wetsuit at Colwell Bay in September?

A 2 mm shorty is comfortable for sessions over 30 minutes.