September is a popular month to ask about Bay of Fires because conditions can shift week to week along this coast. Expect the water near 16.0°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 Tasman Sea.
Bay of Fires sea temperature in September — averages 16.0°C
The sea at Bay of Fires in Australia averages 16.0°C during September, based on long-run climatology for the Tasman Sea. 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
16.0°C
mild · Fair
Live water now
…
Recommended wetsuit
3/2mm fullsuit
At 16.0°C a 3/2mm fullsuit is the standard wetsuit for surfing and watersports.
Monthly comparison
Yes, but expect a fresh dip · Bay of Fires
Can you swim at Bay of Fires in July? — 15.0°C water15.0°CCan you swim at Bay of Fires in August? — 15.0°C water15.0°CCan you swim at Bay of Fires in September? — 16.0°C water16.0°CCan you swim at Bay of Fires in October? — 18.0°C water18.0°CCan you swim at Bay of Fires in November? — 20.0°C water20.0°CCan you swim at Bay of Fires in December? — 22.0°C water22.0°C
Frequently asked questions
What is the average sea temperature at Bay of Fires in September?
Bay of Fires averages 16.0°C in September, based on long-run climatology for the Tasman Sea.
Is the sea warm enough to swim at Bay of Fires in September?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Bay of Fires in September?
A 2 mm shorty is comfortable for sessions over 30 minutes.