September is a popular month to ask about Brackley Beach because conditions can shift week to week along this coast. Expect the water near 17.0°C, with daily variation from wind, tides and recent storms. We refresh the live value from Open-Meteo Marine every hour, so the headline above always reflects the current state of the Gulf of St Lawrence.
Brackley Beach sea temperature in September — averages 17.0°C
The sea at Brackley Beach in Canada averages 17.0°C during September, based on long-run climatology for the Gulf of St Lawrence. Use the live reading below for today's actual water and the monthly grid to compare with the rest of the year.
Average sea · September
17.0°C
mild · Fair
Live water now
…
Recommended wetsuit
3/2mm fullsuit
At 17.0°C a 3/2mm fullsuit is the standard wetsuit for surfing and watersports.
Monthly comparison
Yes, but expect a fresh dip · Brackley Beach
Can you swim at Brackley Beach in June? — 13.0°C water13.0°CCan you swim at Brackley Beach in July? — 18.0°C water18.0°CCan you swim at Brackley Beach in August? — 20.0°C water20.0°CCan you swim at Brackley Beach in September? — 17.0°C water17.0°CCan you swim at Brackley Beach in October? — 12.0°C water12.0°CCan you swim at Brackley Beach in November? — 6.0°C water6.0°C
Frequently asked questions
What is the average sea temperature at Brackley Beach in September?
Brackley Beach averages 17.0°C in September, based on long-run climatology for the Gulf of St Lawrence.
Is the sea warm enough to swim at Brackley Beach in September?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Brackley Beach in September?
A 2 mm shorty is comfortable for sessions over 30 minutes.