Night of Champions (2015) was a professional wrestling pay-per-view (PPV) event produced by WWE. It took place on September 20, 2015 at Toyota Center in Houston, Texas. It was the ninth event under the Night of Champions chronology. This was the second Night of Champions event to be held in Houston, after Vengeance: Night of Champions in 2007.Eight matches were contested at the event, with one match on the pre-show.