The summer signing picked up the knock during United's defeat to Tottenham in their second game of the Premier League season.
Since then, Mount has been absent from first-team action as he worked on his recovery at Carrington.
However, things are starting to look more positive for the midfielder who is stepping up preparation for a return to action.
Is Mount fit to return for Manchester United?
Mount could make his return for United this week.
The 24-year-old has been pictured in first-team training ahead of the Red Devils' clash with Crystal Palace in the Carabao Cup.
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He hasn't featured for the club since August 19 but is quickly stepping up his recovery ahead of a potential return.
United take on Palace in a third round tie tonight before taking on the Eagles again in the Premier League this weekend.
Mount could make his comeback at Old Trafford in the cup clash, however, it may been deemed too soon by Erik ten Hag.
And if so, he won't have long to wait with the second game of the double-header taking place on Saturday afternoon.
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The England international's return will provide a huge boost to Ten Hag's side who have been going through a crisis.
Harry Maguire is a doubt after missing United's last two games while Luke Shaw and Raphael Varane remain out.
Jadon Sancho and Antony are also out of action for situations off-field which means the United squad is low on right wingers.
Mount has featured there in the past, so his comeback will happen at just the right time, with the former Chelsea man able to fill in the gap.