Hi friend, it's hard to say since even the mobile providers don't always know if they'll have specific phone models until it's official. Telus had the Z1 so I'm thinking that they'll have the Z2 but I can't be 100% sure about it. Keep an eye on their website and keep seaching in different mobile forums.
I was in a Telus store about 3 weeks ago and the staff heard they would be carrying the Z2 likely near the end of September. I'm on the Telus network and purchased an unlocked Z2 from the Sony store (my iPhone was stolen so I used the opportunity to switch to Android). I love the phone and Android! I want to pick one up for my spouse and am also hoping Telus carries it soon.