Karl Stefanovic wore the outfit to make a point about the sexism he said his female colleagues faced.
Nobody noticed he was wearing the same blue outfit, but he said his co-presenters would never have got away with it.
The profits will go to the charity White Ribbon, which campaigns to end violence against women.
He sold it on Ebay with the warning that "it's a little bit stanky (sic)" and added it "may need dry cleaning ASAP".
47 people bid for the suit and the lucky winner will get free delivery, meaning they should have cash spare to give it a good clean.
It was sold by the TV channel Karl works for with this description:
"Karl Stefanovic wore this stunning navy Burberry suit on The TODAY Show for one whole year to make a point about sexism. You have the chance at purchasing this suit for yourself, imagine how good you'd look in it! Super comfy, super stylish, super cool".
The 40-year-old, who has been a presenter and reporter for nearly two decades, has also participated in a variety of celebrity game shows in Australia, including Dancing on Ice and Hole in the Wall.
When he revealed that he wore the same outfit for a year he told The Age newspaper that his co-host, Lisa Wilkinson regularly gets messages from viewers and comments in the press about her fashion choices.
"Women are judged much more harshly and keenly for what they do, what they say and what they wear," said Stefanovic.
"I'm judged on my interviews, my appalling sense of humour - on how I do my job, basically. Whereas women are quite often judged on what they're wearing or how their hair is."
He started his experiment by wearing the suit two days in a row, without a comment. He then carried on for days and then months when he realised no-one was noticing.
"Only Lisa and [Today team member Sylvia Jeffreys] know about the suit. They often remark that it's getting a bit stinky," said Stefanovic.
"I'm hoping to get it into the dry cleaners at the end of the year."
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The Gobbins is a dramatic cliff face walk in Islandmagee, County Antrim.
The pathway had been damaged by storms and record rainfall, according to Mid and East Antrim Borough Council.
Its bridge structures have not been damaged and the council plans to restore access and reopen the coastal pathway "as soon as possible".
However, no date has yet been set for when the public can expect to use the path again.
"Mid and East Antrim Borough Council wishes to ensure that all experiences at The Gobbins are safe and enjoyable and the health and safety of our visitors is of paramount importance," a council spokesperson said.
"We are working to have the path reopened as soon as possible and apologise for any inconvenience caused."
The Gobbins Visitor Centre and exhibition remains open to the public while the repairs are being carried out.
The original Edwardian structure first opened in 1902 but fell into disrepair and closed to the public in the 1950s.
In August last year, it was unveiled as the council's newest tourist attraction.
The path is carved into black basalt cliffs and is connected by a network of walkways and bridges, including a new tubular bridge which is an almost identical replica of the original Edwardian structure.
An Australian TV presenter has sold a suit he wore every day for a year for A$6500 (£3,500).
[NEXT_CONCEPT]
A coastal tourist attraction, which reopened to the public five months ago after a £7.5m revamp, has been forced to close because of storm damage.