User blog comment:Manuel de la Fuente/Hajime Isayama talks about the ending of Attack on Titan (June 2016 interview)/@comment-28954877-20160626193142/@comment-5774380-20160703170528

@Tdfern14: It would be October if we consider that volumes have 4 chapters each. If it ended in September, the final volume would have 3 chapters. Not impossible of course, but unlikely.