I never get the updates this early either but I got it on both my Nexus 9 and my 6P today. Not complaining at all! Hopefully the next one and Nougat will be just as quick! Still waiting on my Nexus 7 but I usually get that one first. Go figure.
Same here. Usually always got the update on my Nexus 7 first and like the 6P, usually mid month. Received the update for my 6P today. Cleaned the cache and I'm good to go.