Nintendo sent out a press release today outlining exact UK release dates for every Wii U and 3DS game this year, and all the forthcoming amiibo. Here they all are, in one handy spot.
(Looking for American dates? Our Kotaku US friends have you covered.)
Wii U Hardware and Bundles:
Super Mario Maker Wii U Premium Pack: WiiU Premium pack + Super Mario Maker + Hardcover Artbook* + Mario (Classic Colours) amiibo (11th September)
Wii Remote Plus Toad (20th November)
Wii Remote Plus Bowser (20th November)
Xenoblade Chronicles X Wii U Premium Pack: Black Wii U console + game + Artbook + Map (4th December)

Wii U Games:
Disney Infinity 3 (28th August)
Devil’s Third (28th August)
Super Mario Maker (11th September)
Skylanders SuperChargers (25th September)
LEGO Dimensions (29th September)
Just Dance 2016 (23rd October)
Guitar Hero Live (23rd October)
Project Zero: Maiden of Black Water (30th October)
Mario Tennis: Ultra Smash (20th November)
Star Fox Zero (20th November)
Xenoblade Chronicles X (4th December)
Animal Crossing: amiibo Festival [Incl 2 x amiibo figures – Isabelle & Digby, + 3 x amiibo cards] 2015