Originally Posted by Blizzard
(Blue Tracker / Official Forums)
Please be reminded that all of Arena Points will be converted to Honor during the next weekly reset (on Tuesday September 14 in this region). The conversion rate will be 1 Arena Point = 10 Honor Points, up to the cap of 75000 Honor Points.
Additionally, Arena gear that is purchased just before the weekly reset will not be refundable for Arena Points after the reset.