September began with the visit to Charlton Athletic unbeaten at home for nearly a year and managed by Birmingham's 2011 League Cup-winner Lee Bowyer. Bellingham scored the only goal of the game after a pinpoint pass from Kerim Mrabti. Towards the end, Bowyer's reaction to a time-wasting incident involving the coaching staff saw him sent off and Birmingham's bench receive a yellow card. An unchanged starting eleven struggled at home to Preston North End, who won the match with a first-half free kick that Camp pushed onto the post from which Sean Maguire tapped in the rebound. Derby County hosted Birmingham just days after two Derby players were charged with drink-driving following a car crash that left their captain badly injured. Derby took a two-goal lead, but within minutes Birmingham had equalised with goals from Gardner and Šunjić, the latter a "rasping rising 20-year shot which flew into the net" and won him the Championship Goal of the Month award. Former Birmingham loanee Krystian Bielik fouled Giménez for a penalty, Jutkiewicz missed it, and Derby secured the win with 15 minutes left.