Can you swim at Sanya Bay in September? — 24.0°C water
Yes — ideal swimming weather
Average sea · September
24.0°C
Live water now
…
Recommended wetsuit
No wetsuit
hot
Yes. Sanya Bay averages 24.0°C in September — bath-warm by European standards and comfortable for all-day swimming, snorkelling and families.
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 Sanya Bay live page for full conditions.
Best months to swim
June · July · August · September
Frequently asked questions
What is the average sea temperature at Sanya Bay in September?
Sanya Bay averages 24.0°C in September, based on long-run climatology for the South China Sea.
Is the sea warm enough to swim at Sanya Bay in September?
Yes, most swimmers find 24.0°C comfortable for unrestricted swimming.
