The Canaries were hammered at Craven Cottage in what was Hughton's first competitive game in charge of the club.
"It was not a good day. We wanted something from the game, either a result or a performance and we didn't get either," he told BBC Sport.
"You can't put in a performance like we did today against a team like Fulham and come away with anything other than defeat."
Next up for Norwich is the visit of Queens Park Rangers next Saturday.