Can you swim at Umina Beach in September? — 17.0°C water
Yes, but expect a fresh dip
Average sea · September
17.0°C
Live water now
…
Recommended wetsuit
3/2mm fullsuit
mild
It depends. Umina Beach sits around 17.0°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 Umina Beach live page for full conditions.
Best months to swim
January · February · March · December
Frequently asked questions
What is the average sea temperature at Umina Beach in September?
Umina Beach averages 17.0°C in September, based on long-run climatology for the Tasman Sea.
Is the sea warm enough to swim at Umina Beach in September?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Umina Beach in September?
A 2 mm shorty is comfortable for sessions over 30 minutes.
