Apple Inc. Spring Forward

Apple Inc. sign displayed at the Yerba Buena Center before the start of the the company's Spring Forward event on March 9, 2015 in San Francisco, California.

David Paul Morris/Bloomberg via Getty Images

Get ready to trade in that cracked iPhone. Apple has announced plans for a new product event on Sept. 9 in San Francisco, where the giant tech company is expected to show off new iPhones and other gadgets.

Invitations for the event were sent to reporters and analysts Thursday morning. In usual fashion, Apple is only hinting at what to expect. The invitations mention Apple's digital assistant, saying, "Hey Siri, Give Us a Hint." Apple has previously said it plans to expand Siri's features in the new version of its operating software for iPhones and iPads.

Along with a new iPhone model, tech industry insiders have speculated Apple may introduce a larger iPad and a new set-top box for television sets. It is expected the event will also unveil iOS 9 and OS X El Capitan, as well as an update for its Apple Watch operating system. The company however has not confirmed any plans.

The event will be held at the Bill Graham Civic Auditorium, which holds 7,000 people and is located in downtown San Francisco.