From the report:
A few weeks from now we’ll get our first look at what he was talking about. Apple has scheduled a big media event for Tuesday, Sept. 9 — a date to which Apple numerologists will strain to attribute significance. As with September events past, the focal point of this one is to be Apple’s next-generation iPhones, which are expected to feature larger displays of 4.7 and 5.5 inches and run speedy new A8 processors. Apple declined comment.
Re/code, formerly AllThingsD, has a great track record at getting inside information about Apple’s media events before the invites go out, so we don’t have reasons to doubt the report.