The Costco fall finds September 2026 wave hit warehouse floors this week — and if the member community's response is any indicator, the most popular items will be gone before most members realize they arrived. September 12, 2026 marks the specific moment in the Costco seasonal calendar where the second fall merchandise wave arrives — distinct from the August early-fall arrivals that the fall finds guide documented, this September wave brings the items that are already going v

There's something about the open flame, the scent of charcoal or wood chips, and the time spent outdoors with family and friends. Costco's grill section has become one of the most commercially impressive parts of the warehouse's seasonal offering — with a lineup that covers the full spectrum from compact electric indoor grills through massive pellet smokers capable of handling a full brisket, at institutional pricing that consistently undercuts what specialty outdoor retailer