Can you swim at Old Woman Bay in September? — 15.0°C water
Cool — short dips or a shorty wetsuit
Average sea · September
15.0°C
Live water now
…
Recommended wetsuit
4/3mm fullsuit
mild
Cool. 15.0°C in September means short dips for most people. A 2 mm shorty or 3/2 mm wetsuit transforms the experience.
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 Old Woman Bay live page for full conditions.
Frequently asked questions
What is the average sea temperature at Old Woman Bay in September?
Old Woman Bay averages 15.0°C in September, based on long-run climatology for the Lake Superior.
Is the sea warm enough to swim at Old Woman Bay in September?
Not without thermal protection — a wetsuit is recommended at 15.0°C.
Do I need a wetsuit at Old Woman Bay in September?