We know there are new iPhones coming, that was never in doubt, with rumours suggesting that there will be three new handsets available to order before the year is up. We still don't have any official confirmation on when Apple is going to host the launch event, but a leaked pre-order date purporting to be from German networks gives us a pretty good idea.
German news site Macerkopf cites sources working for two different German networks, both of whom claim pre-orders will open on Friday 14th September. Give how Apple rarely leaves much of a gap between launch, pre-order, and release, it suggests that the phones will be announced earlier that week and released about a week later - likely Friday 21st if last year is anything to go by. As TechRadar points out, Apple has a habit of launching new iPhones in the second week of September, and this date is just further evidence to support that.
It seems likely that Apple is going to unveil the phone on Wednesday September 12th, giving people two days to read up on the phone before they have the chance to order one for themselves. As TechRadar has pointed out with its own past predictions, it's unlikely that Apple would use Tuesday 11th as a launching point due to it being the anniversary of the 9/11 attacks.
The good news is that those dates are just over three weeks away, which means Apple should be sending out invitations to the launch any day now. Given Apple's recent release history knowing that date means we have an even better idea of when the new iPhones will be available. The leaked date is still unverified so it's wise to take it with a scoop of scepticism. It does make sense, but we're just going to have to wait and see how true it is. [Macerkopf via TechRadar]