Honestly, for $60 you could probably buy a handful of better games to keep you busy until the Fall releases come out (at which point Watchdogs will probably be significantly cheaper).
September
Destiny (Xbox One, PS4, 360, PS3) - September 9
Dark Souls II - Crown of the Ivory King DLC (PS3, 360, PC) - September 24
October
Skylanders: Trap Team (Xbox One, 360, PS4, PS3, Wii U, Wii, 3DS) - October 5
Alien: Isolation (Xbox One, Xbox 360, PS4, PS3, PC) - October 7
Dragon Age: Inquisition (Xbox One, Xbox 360, PS4, PS3, PC) - October 7
Middle-earth: Shadow of Mordor (Xbox One, Xbox 360, PlayStation 4, PlayStation 3, PC) - October 7
NBA 2K15 (Xbox One, Xbox 360, PlayStation 4, PlayStation 3, PC) - October 7
Borderlands: The Pre-Sequel (PS3, 360, PC) - October 14
Battlefield Hardline (Xbox One, 360, PS4, PS3, PC) - October 21
The Evil Within (Xbox One, 360, PS4, PS3, PC) - October 21
Evolve (Xbox One, PS4, PC) - October 21