Costco usually starts offering deals on Halloween-related items, such as costumes, decorations, and candy, as well as fall-themed products.
As the summer season ends, you might find discounts on outdoor furniture, patio sets, and grills as retailers clear out their inventory.
New models of electronics, including TVs and smartphones, tend to be released in the fall.
With the holiday season approaching, Costco might offer deals on cookware sets, small kitchen appliances, and gadgets that are popular for holiday cooking and baking.
Fall is a good time to stock up on canned goods, soups, and other non-perishable items as people start preparing for the colder months.
You might find discounts on home décor items as people tend to redecorate their homes in preparation for the holiday season.
With winter approaching, Costco might offer deals on warm clothing items such as sweaters, jackets, and boots.