Apple usually holds its events on Tuesdays or Wednesdays, and iPhone release dates typically are set about a week and a half after Apple announces the new devices. Usually, new iPhones are released on a Friday, around the third week of September.
A few years ago, CNET took a deep dive into the Apple event timeline and emerged with a compelling Labor Day hypothesis, which you can read about here. Based on the 2021 calendar, the Labor Day rule would put the September Apple event (and the unveiling of the iPhone 13) on Sept. 8, with a Sept. 17 release date.
CNET Apple Report
Read more: Every iPhone 13 rumor we’ve heard so far
For more, check out why the iPhone 13 could have a 120Hz always-on display, and our review of the iPhone 12.
We won’t know if this is true until Apple announces an event, and shows off the phones. But if you want to plan ahead and save up for an iPhone 13, we’d bet on the September timeline, at least for now.