Can you swim at Frenchmans Bay 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. Frenchmans Bay 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 Frenchmans Bay live page for full conditions.

Best months to swim
January · February · March · December

Frequently asked questions

What is the average sea temperature at Frenchmans Bay in September?

Frenchmans Bay averages 17.0°C in September, based on long-run climatology for the Tasman Sea.

Is the sea warm enough to swim at Frenchmans Bay in September?

It is swimmable but fresh; confident swimmers will be fine without a wetsuit.

Do I need a wetsuit at Frenchmans Bay in September?

A 2 mm shorty is comfortable for sessions over 30 minutes.