Looks like its releasing early and on all consoles, same day.
Screenshot.
Confirmed by Activision that Destiny 2 will be released on September 6th.
Confirmed by Luke Smith will be on all consoles Sep 6th.
Destiny2 E3 Video
Beta Dates:
Playstation 4 (pre-order): July 18 at 10am PDT
Xbox One (pre-order): July 19 at 10am PDT
Open Beta (PS+X1): July 21 at 10am PDT
Beta Ends: July 23 at 9pm PDT
PC Beta: Sometime August
PC Release Date: October 24th