Can you swim at Hawaii Beach 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 Hawaii Beach 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 Hawaii Beach live page for full conditions.
Best months to swim
June · July · August · September
Frequently asked questions
What is the average sea temperature at Hawaii Beach in September?
Hawaii Beach averages 23.0°C in September, based on long-run climatology for the Adriatic Sea.
Is the sea warm enough to swim at Hawaii Beach in September?
Yes, most swimmers find 23.0°C comfortable for unrestricted swimming.
Do I need a wetsuit at Hawaii Beach in September?
Most swimmers don't need a wetsuit; a rash vest helps for longer sessions.
