15 Must-Have Costco Kirkland Brand Grocery Deals You Can’t Skip This September

Costco shoppers know every trip is a chance to save on everyday essentials. With a membership, those savings add up quickly on everything from groceries and clothing to outdoor furniture and low-priced fuel. While the warehouse already offers competitive prices, Kirkland Signature products often provide even better value along with the quality shoppers expect.

If you're looking to stock up and save on your next Costco trip, keep an eye out for these 15 unbelievable deals on Kirkland Signature products.

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

Price: $25.49

This September, treat yourself to Kirkland Signature's Decaffeinated Coffee, crafted for rich roasted flavor without the after-sip jitters.

Customers rave about its taste and value saying, "This brand is as good as any Peet's or Starbucks decaf I've tried. And of course, the price to make it at home — about 60 cents per 11-ounce cup compared to $4+ at the locations mentioned above."

Price: $19.17

If you're looking for a bun-sized hot dog without high fructose corn syrup, phosphates, or fillers, Kirkland Signature has you covered. These quarter-pound monster franks are perfect for a backyard barbecue on a nice day or for a game night with friends.

Each pack contains 14 beefy links, weighing a total of 3.81 pounds. At just $1.37 per serving, you'll have extra room in your budget for quality toppings and a great bun.

Price: $17.99

This September, Kirkland Signature Nut Bars are available for $17.99 for a 30-pack.

Each bar combines almonds, cashews, and pecans, drizzled with cocoa and lightly sprinkled with sea salt, making them a satisfying option for a snack.

Customers love them, too. A Costco shopper shared, "I've bought these bars for years. Not too sweet." With their balanced flavor and wholesome ingredients, it's easy to see why these bars are a fan favorite.

Price: $16.99

Looking for the perfect snack for a relaxing night in? On your next trip to Costco, head to the snack aisle and grab a box of Kirkland Signature Microwave Popcorn.

This movie theater butter-style treat delivers more than just rich, buttery flavor — it also offers incredible savings. A box of 44 bags costs just $16.99, or 39 cents per bag, which is far less than you would pay at the movies. Best of all, you can enjoy it in the comfort of your own home.

Price: $16.99

Canned chicken is a star ingredient in Sonoma salads, traditional chicken salads, and even casseroles. It's perfect for prepping in batches, saving you the hassle of daily cooking and freeing up time for other, more enjoyable activities. If you're planning to meal prep, stocking up on canned chicken can make the process even easier.

Walmart sells a 6-pack of 12.5-ounce Great Value Chunk Chicken Breast for $17.82 if you buy it online. However, by choosing Kirkland's Signature brand at Costco, you'll save 83 cents.

Price: $16.29

Kirkland Signature Fancy Whole Cashews from Costco prove that snacks don't have to be unhealthy or complicated. And buying in bulk makes them an even better option.

At $16.29 for 2.5 pounds, they offer a convenient, flavorful way to snack on the go or add crunch to your favorite dishes.

Price: $15.99

Mexican-style shredded cheese is a versatile ingredient, perfect for tacos, enchiladas, homemade macaroni and cheese, and more. A standard one-pound bag typically costs around $5.64 at Walmart, which is enough for one person, but if you use it regularly, that cost can quickly triple or quadruple over the course of a month.

To save money without skimping on flavor, consider Kirkland Signature's Mexican-style blend: two 2.5-pound bags for just $15.99, which works out to only $3.20 per pound.

Price: $12.99

Dried beef is a popular snack among Costco shoppers, and their top pick is the Kirkland Signature brand. With 2,088 ratings and a 4.6-star average, this dried beef is anything but ordinary.

It is gluten-free, 98% fat-free, extra-thick, and infused with a smoky flavor. A 12-ounce bag costs $12.99 and provides 12 servings.

Price: $11.99

Chicken broth is one of those pantry staples you don't want to run out of, but finding one that's both flavorful and reasonably priced can be a challenge. If you're looking for a budget-friendly option that doesn't compromise on taste, Kirkland Signature Organic Chicken Stock is a great choice.

This $11.99 bundle includes six 32-ounce quarts of gluten-free, slow-roasted chicken stock made with carrots, celery root, onion, and turmeric. For comparison, the same bundle sold at Walmart costs $24.99, making Costco a smart choice for savings.

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Price: $11.49

A good salsa isn't just about tomatoes, onions, and peppers. It's about quality ingredients and the perfect texture. Kirkland Signature Organic Salsa delivers on both, with vine-ripened tomatoes and a satisfying, chunky consistency. It's also USDA-certified organic and kosher.

This September, you can pick up a two-pack of 38-ounce jars for just $11.49, making it a flavorful and budget-friendly addition to your pantry.

Price: $10.99

Whether you're already an agave convert or you're just considering a switch, it's a healthier way to sweeten teas and desserts.

While the sweetener can be expensive, averaging $5.82 for just 23.5 ounces at Walmart, the Kirkland Signature brand provides a more cost-effective option. This month, Costco offers two 36-ounce bottles for $10.99, giving shoppers more than double the syrup for a fraction of the price.

Price: $10.99

If you love cashews and crave a sweet, crunchy snack, Kirkland Signature has you covered. This 2-pound bag is packed with clusters of almonds, pumpkin seeds, and cashews, offering the perfect balance of flavor and texture.

Nearly half of the mix is made up of cashews, so you're getting plenty of your favorite nut without just paying for filler.

Price: $9.99

If you're lactose intolerant or simply looking to reduce your dairy intake, plant-based milk is an excellent alternative. Almond milk is one of the most popular non-dairy options, and Kirkland Signature offers an organic, unsweetened version that some customers say is "a great improvement over the Blue Diamond Almond Milk."

Currently, you can purchase a 6-count, 32-ounce bundle for $9.99, which is $6.01 less than the same bundle from Blue Diamond.

Price: $7.93

Organic yogurt is packed with nutrients, including calcium, vitamin D, and protein, and it contains relatively little fat when you choose low-fat or fat-free options. Many people also choose Greek yogurt to support gut health because it contains probiotics.

At some stores, such as Walmart, a 32-ounce tub of organic Greek yogurt costs around $7.43, but Kirkland Signature's version costs just 50 cents more and gives you an extra 16 ounces, making it a better value for regular yogurt eaters.

Price: $7.59

Kirkland Signature Organic Lemonade combines crisp, naturally sweet flavor with USDA-certified organic ingredients.

This September, Costco offers a bundle of two 96-ounce jugs for $3.80 each. By comparison, a similar bundle costs $10.79 at BJ's Warehouse and $19 at Walmart, giving you more lemonade for significantly less if you buy it at Costco.

Costco's prices are already low, so you can expect to save no matter the brand, product, or size you choose. However, choosing Kirkland Signature can stretch your grocery budget even further because you get everyday essentials that match competitor brands in both quality and taste.

In addition to groceries, Kirkland Signature also offers a wide range of home goods, pet foods, and electronics, making it easy to stock up on high-quality products in every aisle.