10 Must-Grab Costco September Bargains Worth Stocking Your Kitchen With

September at Costco is when the seasonal shift really kicks in. Pumpkin spice products start filling the shelves, Halloween candy and snack packs land in bulk, and the freezer aisle gets a refresh of comfort-food staples worth stocking up on before the weather turns. Whether you're prepping for back-to-school lunches, stocking the pantry for fall entertaining, or just looking to save more money on groceries, this month's lineup delivers across the board.

Our roundup covers 10 of the best Costco buys for September, mixing limited-edition seasonal arrivals with everyday fan favorites that offer standout value right now. From a cult-favorite energy drink that only shows up once a year to a freezer staple that practically runs itself on busy weeknights, these are the items worth tossing in the cart this month.

Editor's note: Prices and availability are subject to change and may vary by location.

Price: $15.88 (on sale from $20.88)

Chomps has quietly become one of the most popular clean-protein snacks on the market, and Costco's 12-count pack is the best value you'll find on them. Each 1.15-ounce stick is made from 100% grass-fed and grass-finished beef with a short, clean ingredient list: beef, water, sea salt, cultured celery powder, cherry powder, and a few spices. No sugar, no artificial anything, no fillers.

The sticks are Certified Paleo, Non-GMO verified, and free from all major allergens, including gluten, nuts, soy, milk, and pork, which makes them one of the few grab-and-go protein snacks safe for nearly any dietary restriction. Each stick packs 10 grams of protein at just 100 calories.

At Walmart, a 12-pack of Chomps runs closer to $27, so Costco's price represents a significant discount on a brand that rarely goes on sale. Toss them in a work bag, a gym bag, or the glove compartment for a protein hit that doesn't require refrigeration or any prep.

Price: $20.99 (on sale from $26.99)

Alani Nu's Witch's Brew is one of those seasonal drops that generates actual urgency among fans. The limited-edition flavor, described as a fusion of sour green apple and sweet caramel with a tart sparkling cider finish, only appears once a year and tends to sell through fast. Costco Buys called it a "fall favorite" when it landed on shelves, and Parade reported fans were racing to pick it up.

Each 12-ounce can delivers 200mg of caffeine with zero grams of sugar, plus B vitamins, taurine, and L-theanine. The 18-count pack at Costco is a significantly better deal than buying Alani Nu singles at a gas station or grocery store, where individual cans typically run $2.50 to $3 each.

If you've been curious about the Alani Nu hype but haven't tried Witch's Brew, this is the time. The flavor is seasonal and limited, and once it's gone, it won't be back until next fall.

Price: $10.99 (on sale from $14.99)

Dino Buddies have evolved from a kids' freezer staple into a genuine cult favorite with adults who appreciate the combination of clean ingredients and zero-effort meal prep. The 5-pound resealable bag is packed with fully cooked, all-white-meat chicken breast nuggets shaped like six different dinosaurs, made without antibiotics, artificial ingredients, colors, flavors, or preservatives.

Each serving provides 9 grams of protein and 660mg of omega-3 fatty acids from flaxseed, and the Costco version has 25% less sodium than the standard Dino Buddies sold at other retailers. They air-fry in about six to seven minutes, which makes them one of the fastest proteins you can keep in rotation for busy weeknights, after-school snacks, or lazy lunches.

The five-pound bag is big enough to last a family several meals, and the resealable packaging means you're not racing to use them before freezer burn sets in. A comparable bag at Walmart runs closer to $18 to $20 for the same size.

Price: $26.49 (on sale from $33.99)

September is when the smart Halloween shoppers start stocking up, and this 30-count variety pack of full-size candy bars is one of the best deals Costco runs for the season. The box includes Snickers, Twix, M&M's Peanut, M&M's Milk Chocolate, and Milky Way, all individually wrapped and full-size, not the fun-size minis that leave trick-or-treaters underwhelmed.

Being the full-size candy bar house on your block is a flex that costs surprisingly little when you're buying in bulk at Costco. This pack is also currently included in Costco's September warehouse savings with $7.50 off, making it an even better time to grab one (or two if you're hosting a party).

Beyond Halloween, these work for office candy bowls, concession stands, fundraisers, or just having a stash of name-brand chocolate on hand through the fall. The individually wrapped bars store well and won't go stale before October 31.

Price: $39.99 (on sale from $65.49)

Manuka honey at this grade is typically an investment, and Costco's September deal makes it one of the best times to buy. The Manuka Health UMF 20+ (MGO 850+) Raw Manuka Honey is sourced from wild regions of New Zealand, certified for an ultra-high methylglyoxal content of at least 850mg/kg, and tested for quality, purity, and origin. It's raw, unpasteurized, gluten-free, kosher, and halal.

UMF 20+ is among the highest grades of manuka honey commercially available, prized by wellness practitioners for its antibacterial properties and used in everything from sore-throat remedies to skin care. The 8.8-ounce jar has a rich, luscious texture and a flavor that's noticeably more complex than standard honey.

This product is currently included in Costco's September warehouse savings at $39.99 after $25.50 off, a steep discount on a product that typically retails for $70 or more. If you've been wanting to try high-grade manuka honey without paying boutique wellness-store prices, this is the window.

Price: $10.49 (on sale from $13.99)

Tru Fru has built a following around one simple concept: real frozen fruit dipped in real chocolate, and nothing else. The 24-ounce bag of Milk and White Chocolate Frozen Strawberries delivers exactly that: whole strawberries frozen at peak ripeness, then coated in a layer of white chocolate followed by milk chocolate. The result is a frozen treat that tastes indulgent but is made with a clean ingredient list and no artificial anything.

The strawberries hold up well as a dessert, a snack, or even a party platter item (let them thaw for about five minutes, and they're perfect for a chocolate-fruit spread). Each serving runs about 130 calories, making them a lighter alternative to ice cream when you want something sweet after dinner.

This item is currently part of Costco's September warehouse savings at $10.49 after $3.50 off, which is a strong price for 24 ounces of chocolate-covered fruit. Comparable products at Whole Foods or specialty grocers run $8 to $10 for bags half the size.

Price: $12.69 (on sale from $16.99)

Finding a good gluten-free frozen pizza is harder than it should be, and Sabatasso's has become the go-to at Costco for a reason. The 3-count pack includes three individually wrapped 17.5-ounce pizzas, each built on a thin, crispy crust made from rice flour, brown rice flour, tapioca starch, and potato starch. The topping is a four-cheese blend of mozzarella, fontina, parmesan, and asiago.

CostcoFDB called the crust surprisingly crispy for a gluten-free product, and reader reviews echo the sentiment: multiple commenters noted that family members didn't realize it was gluten-free until told. The pizzas are certified 100% gluten-free by the National Celiac Association and contain no artificial flavors or preservatives.

At three pizzas for $12.69, the value is strong for the gluten-free frozen category, where a single comparable pizza at a standard grocery store often costs $8 to $10. Bake at 450 degrees for 12 to 16 minutes, and you've got a weeknight dinner that satisfies without the gluten-free tax.

Price: $12.13 (on sale from $16.33)

Annie's Organic Bees, Bugs, and Butterflies have been a lunchbox staple for years, and Costco's 50-count box is the bulk format that makes the habit affordable. Each individually wrapped 0.7-ounce pouch contains insect-shaped fruit gummies in strawberry, raspberry, and apple flavors, made with organic pear juice concentrate, organic honey, and organic cane sugar. No artificial flavors, no synthetic colors, no high fructose corn syrup, and no gelatin.

The snacks are USDA organic, Non-GMO verified, gluten-free, and free from all major FDA-regulated allergens, which makes them one of the safest options for school snack policies that restrict common allergens. Annie's also partners with The Xerces Society to support pollinator conservation, a detail parents who care about the sourcing story tend to appreciate.

The 50-count Costco box is currently on sale as part of September's warehouse savings. At the sale price, you're getting organic fruit snacks for a fraction of what they'd cost buying 10-count boxes at a standard grocery store.

Price: $22.99

Pumpkin spice season has a new grab-and-go contender. La Colombe's Pumpkin Spice Draft Latte comes in a 12-pack of 9-ounce cans, each made with espresso roast coffee and whole milk, lightly sweetened with a pumpkin spice flavor profile that leans subtle rather than syrupy. The lattes are ready to drink straight from the fridge, frothy, creamy, and lactose-free.

Best Life included these in their roundup of fall finds flying off Costco shelves, calling the flavor "subtly sweet" and the format perfect for school drop-offs and busy mornings. For anyone who relies on a daily coffee-shop latte, the per-can price at Costco is a fraction of what you'd spend at a cafe.

The pumpkin spice flavor is a seasonal release, so this won't be on shelves year-round. If you're the kind of person who leans into pumpkin spice season but wants something more refined than a gas-station PSL, this is worth trying before it rotates out.

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Price: $39.99

Popcornopolis has been a Costco holiday-season staple for years, and the Halloween Monster edition brings the same gourmet caramel corn in festive mini cones designed for trick-or-treating, party favors, or just snacking through October. The 24-count box includes individually wrapped 2.2-ounce caramel corn cones in Halloween-themed packaging that kids (and adults) actually get excited about.

The popcorn itself is made with non-GMO kernels, real butter, and no high fructose corn syrup, which puts it a cut above most mass-market caramel corn. It's also certified gluten-free. The mini cone format is clever: each one is a self-contained serving that looks like a gift, not a handful from a bag.

These make a strong alternative to traditional Halloween candy if you want to stand out without going the homemade-treat route. They're also great for fall party spreads, teacher gifts, or filling out a Halloween gift basket. Seasonal and limited, so grab them while they're stocked.

September at Costco is the sweet spot where back-to-school stocking meets early fall seasonal arrivals, and this month's mix of deals reflects that. Seasonal finds like the Alani Nu Witch's Brew and La Colombe Pumpkin Spice Latte won't be around long, so those are worth prioritizing on your next trip. Pantry and freezer staples like the Chomps beef sticks, Dino Buddies, and Sabatasso's gluten-free pizza are the kind of bulk buys that quietly save money over weeks of meals and snacks.

Several items on this list are also part of Costco's September warehouse savings (valid through September 20), including the Manuka Health honey, Tru Fru frozen strawberries, M&M's variety pack, and Annie's fruit snacks, so the timing is right to stock up. To make every Costco run go further, pairing your trip with one of the best cash back credit cards is an easy way to earn back 2% to 4% on a store where you're already getting warehouse pricing.