iPhone 8 Realease Date August 24 2017
As we approach the end of August and the time that Apple typically sends out invitations for its annual iPhone reveal eventa new report has pegged this year's iPhone 8, iPhone 7s, and iPhone 7s Plus event date as Tuesday, September 12.predicted the three new iPhone models will go on sale a week and a half later, on Friday, September 22. 
Apple's financial quarter ends Saturday, September 30, so it's likely that the company intends to have its iPhone 8 event early in September, followed by the launch a week or so later. This would provide enough leeway between the launch and the end of the quarter to account for a boost in iPhone sales figures. Looking back at the past few years of iPhone launches, the previously mentioned dates are most likely when users can expect Apple to announce and release the iPhone 8, iPhone 7s, and iPhone 7s Plus.