It premiered on September 8 , 2012 at the Toronto International Film Festival , and was released theatrically in the United States by Summit Entertainment on September 21 . According to Metacritic it has received " generally favorable reviews " , with an average of 67 out of 100 based on 36 reviews . Rotten Tomatoes reported an 86 % approval rate , based on 153 reviews . The film grossed over $ 33 million worldwide from a $ 13 million production budget
Toronto International Film Festival
2012 Toronto International Film Festival
The Perks of Being a Wallflower