MacRumers posted a story that Apple has released iOS 9 to the public

The update can be downloaded through iTunes or over-the-air by going to the Settings app and tapping General --> Software Update. As with all major software updates, it may take a few minutes for the update to propagate to all users due to high demand. Some users are seeing "Software Update Failed" messages and may have better luck installing via iTunes. Public beta testers who have the iOS 9 golden master installed will receive the release version of iOS 9 over-the-air. Subscribe to the MacRumors YouTube channel for more videos. iOS 9 builds on content introduced with iOS 8, bringing subtle design changes, refined features, improved functionality, and performance enhancements. From Apple's release notes:With this update your iPhone, iPad and iPod touch become more intelligent and proactive with powerful search and improved Siri features. New multitasking features for iPad allow you to work with two apps simultaneously, side-by-side or with the new Picture-in-Picture feature.

  Apple Releases iOS 9