Can you swim at Big Beach Maui in September? — 27.0°C water
Yes — ideal swimming weather
Average sea · September
27.0°C
Live water now
…
Recommended wetsuit
No wetsuit
tropical
Yes. Big Beach Maui averages 27.0°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 Big Beach Maui live page for full conditions.
Best months to swim
May · June · July · August · September · October · November
Frequently asked questions
What is the average sea temperature at Big Beach Maui in September?
Big Beach Maui averages 27.0°C in September, based on long-run climatology for the Pacific Ocean.
Is the sea warm enough to swim at Big Beach Maui in September?
Yes, most swimmers find 27.0°C comfortable for unrestricted swimming.
Do I need a wetsuit at Big Beach Maui in September?
