Apple's September event in 2023 took place on Tuesday, September 12. The event was held both online and at Apple Park with an in-person experience, starting at 10 a.m. PT. During this event, Apple announced the iPhone 15 lineup, including iPhone 15, iPhone 15 Plus, iPhone 15 Pro, and iPhone 15 Pro Max, as well as the Apple Watch Series 9 and Apple Watch Ultra 2. This event marked the transition of the iPhone lineup to USB-C ports from the Lightning ports used since 2012. iOS 17 and other software updates were released shortly after on September 18, 2023.