The goalkeeper, 26, suffered a dislocation in July after returning early after the World Cup.
He said: “I'm looking at December hopefully. Everything since the surgery has gone really well."
He said: “It was a bit of challenge and it popped out the front. I was laying on the physio table at the stadium and they had a go at popping it back in but they couldn't do it after four attempts.
“They started filling me with morphine, which was fantastic! They gave me 20ml which was legally the maximum they could give me."