Can you swim at Slatina Beach Opatija in September? — 23.0°C water
Yes — comfortable for most swimmers
Average sea · September
23.0°C
Live water now
…
Recommended wetsuit
Rash vest or swimsuit
warm
Yes. With a 23.0°C average in September, most swimmers find Slatina Beach Opatija comfortable after the first 10–20 seconds of acclimatisation.
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 Slatina Beach Opatija live page for full conditions.
Best months to swim
June · July · August · September
Frequently asked questions
What is the average sea temperature at Slatina Beach Opatija in September?
Slatina Beach Opatija averages 23.0°C in September, based on long-run climatology for the Adriatic Sea.
Is the sea warm enough to swim at Slatina Beach Opatija in September?
Yes, most swimmers find 23.0°C comfortable for unrestricted swimming.
Do I need a wetsuit at Slatina Beach Opatija in September?
Most swimmers don't need a wetsuit; a rash vest helps for longer sessions.
