Swimming in Tasmania in september 2025 Sea temperature by city in september

Do you want to go to the beach in Tasmania in september 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in september in Tasmania by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in Tasmania in september 2025

Here, find the average sea temperature in Tasmania in september in several coastal cities.

Hobart

on average:

55°F

min: 54°F / max: 56°F

Coles Bay

on average:

56°F

min: 55°F / max: 58°F

Devonport

on average:

55°F

min: 54°F / max: 56°F

Arthur River

on average:

56°F

min: 54°F / max: 57°F

Bay of Fires

on average:

56°F

min: 55°F / max: 57°F

Bicheno

on average:

56°F

min: 55°F / max: 58°F

Bridport

on average:

55°F

min: 54°F / max: 56°F

Cygnet

on average:

55°F

min: 53°F / max: 56°F

Dolphin Sands

on average:

56°F

min: 55°F / max: 58°F

George Town

on average:

55°F

min: 54°F / max: 56°F

Maria Island

on average:

56°F

min: 54°F / max: 57°F

Port Arthur

on average:

55°F

min: 54°F / max: 57°F

Smithton

on average:

56°F

min: 54°F / max: 57°F

Southwest National Park

on average:

55°F

min: 54°F / max: 56°F

St Helens

on average:

56°F

min: 55°F / max: 57°F

Wynyard

on average:

55°F

min: 54°F / max: 56°F

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Sea temperature in august in Tasmania

Sea temperature in october in Tasmania

Where should you go swimming in Tasmania in the month of september?

Swimming in Tasmania in september is freezing

In september in Tasmania swimming conditions are generally the same everywhere.

Forget about swimming in Hobart, Coles Bay, Devonport, Arthur River, Bay of Fires, Bicheno, Bridport, Cygnet, Dolphin Sands, George Town, Maria Island, Port Arthur, Smithton, Southwest National Park, St Helens and Wynyard in september! The water temperature is freezing, reaching as low as 54°F (and only 56°F at the best of times). Our advice: plan on sightseeing, and don't bring your beach towel!

Where to go swimming in Tasmania in september: the map of sea temperatures

ideal swimming

pleasant swimming

cool swimming

cold swimming

freezing swimming

Water temperature and seasonal norms in september

Hobart

	August	September	October
Average sea temperature	55°F	55°F	56°F
Minimum sea temperature	54°F	54°F	54°F
Maximum sea temperature	57°F	56°F	58°F
Average outside temperature	49°F	50°F	56°F
Maximum outside temperature	56°F	58°F	61°F
Minimum outside temperature	43°F	45°F	49°F
Precipitation	3in	2.6in	2.3in
Number of days of precipitation	4 jour(s) (14%)	3 jour(s) (11%)	3 jour(s) (11%)
Cloud cover	46%	43%	42%
Our opinion	freezing swimming	freezing swimming	freezing swimming

More information on swimming in Hobart in september

Coles Bay

	August	September	October
Average sea temperature	56°F	56°F	58°F
Minimum sea temperature	54°F	55°F	55°F
Maximum sea temperature	58°F	58°F	60°F
Average outside temperature	50°F	54°F	58°F
Maximum outside temperature	56°F	59°F	61°F
Minimum outside temperature	47°F	49°F	52°F
Precipitation	3.4in	3.1in	2.7in
Number of days of precipitation	4 jour(s) (12%)	4 jour(s) (13%)	3 jour(s) (11%)
Cloud cover	34%	34%	36%
Our opinion	freezing swimming	freezing swimming	freezing swimming

More information on swimming in Coles Bay in september

Devonport

	August	September	October
Average sea temperature	55°F	55°F	56°F
Minimum sea temperature	54°F	54°F	54°F
Maximum sea temperature	57°F	56°F	58°F
Average outside temperature	50°F	52°F	56°F
Maximum outside temperature	54°F	56°F	59°F
Minimum outside temperature	47°F	49°F	50°F
Precipitation	6.5in	4.6in	3.1in
Number of days of precipitation	10 jour(s) (31%)	6 jour(s) (21%)	4 jour(s) (14%)
Cloud cover	42%	37%	34%
Our opinion	freezing swimming	freezing swimming	freezing swimming

More information on swimming in Devonport in september

Arthur River

	August	September	October
Average sea temperature	56°F	56°F	57°F
Minimum sea temperature	54°F	54°F	55°F
Maximum sea temperature	58°F	57°F	58°F
Average outside temperature	50°F	52°F	56°F
Maximum outside temperature	54°F	56°F	59°F
Minimum outside temperature	49°F	49°F	52°F
Precipitation	6in	4.5in	3.1in
Number of days of precipitation	9 jour(s) (29%)	6 jour(s) (19%)	4 jour(s) (13%)
Cloud cover	47%	43%	39%
Our opinion	freezing swimming	freezing swimming	freezing swimming

Bay of Fires

	August	September	October
Average sea temperature	56°F	56°F	58°F
Minimum sea temperature	55°F	55°F	55°F
Maximum sea temperature	58°F	57°F	60°F
Average outside temperature	50°F	54°F	58°F
Maximum outside temperature	56°F	59°F	61°F
Minimum outside temperature	47°F	49°F	52°F
Precipitation	3.4in	3.1in	2.7in
Number of days of precipitation	4 jour(s) (12%)	4 jour(s) (13%)	3 jour(s) (11%)
Cloud cover	34%	34%	36%
Our opinion	freezing swimming	freezing swimming	freezing swimming

List of coastal cities in Tasmania

Hobart in september	freezing swimming
Coles Bay in september	freezing swimming
Devonport in september	freezing swimming
Arthur River in september	freezing swimming
Bay of Fires in september	freezing swimming
Bicheno in september	freezing swimming
Bridport in september	freezing swimming
Cygnet in september	freezing swimming
Dolphin Sands in september	freezing swimming
George Town in september	freezing swimming
Maria Island in september	freezing swimming
Port Arthur in september	freezing swimming
Smithton in september	freezing swimming
Southwest National Park in september	freezing swimming
St Helens in september	freezing swimming
Wynyard in september	freezing swimming