How much time would Finn Balor miss?

It was reported that Finn Balor would be missing out at least 4-6 months of in-ring action due to the injury which he sustained at Summer Slam PPV by the hands of Seth Rollins.Balor was forced to relinquish his title on RAW due to his injury.

WWE stated that

Bálor’s forfeiture of his championship tonight on Raw.

Inaugural WWE Universal Champion Finn Bálor suffered an injury to his right shoulder against Seth Rollins at SummerSlam and will relinquish his title tonight on Raw as a result, WWE.com can confirm.
The injury came in the course of Bálor and Rollins’ match to determine which Superstar would become the first WWE Universal Champion, specifically when Bálor absorbed a running powerbomb to the barricade at the hands of The Architect.

“He hit the wall during the match, dislocated his shoulder and was able to put it back in himself in a split second,” said ringside physician Dr. Chris Robinson. Bálor was able to finish the match, but Dr. Robinson noted that an MRI yielded results earlier today showing “a possible labrum tear.”

The champion is currently scheduled to receive a surgical consult that will determine the extent of Bálor’s injury and what his recovery time will be. If surgery and rehab are required, Robinson said, Bálor could be facing a recovery time of “anywhere from four to six months.”

Raw General Manager Mick Foley tweeted that he and Commissioner Stephanie McMahon would “accept”