Apple has just released iOS 9.0.1 to the public.
This release includes
● Fixes an issue where some users could not complete setup assistant after upfating
● Fixes an issue where sometimes alarms and timers could fail to play
● Fixes an issue in Safari and Photos where pausing video could cause the paused frame to appear distorted
● Fixes an issue where some users with a custom APN setup via a profile would lose cellular data
Apple have also release beta 2 of iOS 9.1 to developers.