There are a few cool things you could do if you are around the day before or the day after in Leeds:
Last day Sept 7th! Miffy exhibition at the Leeds City Museum (free entry)
Around Leeds City Centre:
Visit the Arcades: Victoria Arcade, Queens Arcade, Thornton’s Arcade, Grand Arcade
Kirgate market (one of the oldest markets of Europe)
Leeds City Dock:
Royal Armouries Museum (the oldest and most extensive public collections of arms and armour in the World, free entry)
Take the water taxi from the dock to the Central Station (£3)
A short bus ride away:
Kirstall Abbey (entrance is donation-based) - buses 33/34/50/50A and A1 flyer (the bus to Leeds Bradford Airport, to West Leeds)
Tackray Museum of Medicine - buses 42/49/50/50A (to NorthEast Leeds)