Can you swim at Jastarnia Beach 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. Jastarnia Beach 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 Jastarnia Beach live page for full conditions.
Frequently asked questions
What is the average sea temperature at Jastarnia Beach in September?
Jastarnia Beach averages 16.0°C in September, based on long-run climatology for the Baltic Sea.
Is the sea warm enough to swim at Jastarnia Beach in September?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Jastarnia Beach in September?
A 2 mm shorty is comfortable for sessions over 30 minutes.
