You can always Find Xur and his inventory here on FTW.in or FindXur.com, every Friday.
Xur is on Earth, in the EDZ at Winding Cove, and will depart at reset on, September 18.
Sunshot [Exotic Hand Cannon]
Graviton Forfeit [Exotic Hunter Helmet]
Wormgod Caress [Exotic Titan Gauntlets]
Eye of Another World [Exotic Warlock Helmet]