September is proving to be a hot month for Costco shoppers, with some of the most snackable, sip-worthy, and pantry-stocking grocery deals hitting the aisles.
From family-sized treats to nutritious staples and refreshing beverages, these markdowns are too good to ignore. Here’s a closer look at the irresistible Costco grocery deals flying off shelves right now—grab them before the discounts disappear.
Kellogg’s Rice Krispies Treats – $11.99 ($3 off through Sept. 21)
Beloved by kids and adults alike, Rice Krispies Treats are a classic chewy snack perfect for lunchboxes, after-school bites, or even late-night cravings. Costco’s bulk deal ensures you’re stocked up for weeks.
Nutritional Facts (per treat):
- Calories: 90
- Total Fat: 2g
- Carbohydrates: 17g
- Sodium: 85mg
- Dietary Fiber: 0g
- Sugars: 8g
- Protein: 1g
Ingredients:
Rice, sugar, corn syrup, vegetable oil, gelatin, natural and artificial flavors.
Preparation Instructions:
Ready to eat straight from the wrapper—no prep needed.
Go Raw Sprouted Organic Pumpkin Seeds With Sea Salt – $8.39 ($3.60 off through Sept. 21)
Packed with plant-based protein, these organic pumpkin seeds are sprouted for easier digestion and lightly seasoned with sea salt. They’re perfect for topping salads, mixing into trail mix, or enjoying by the handful.
Nutritional Facts (per 1 oz):
- Calories: 150
- Total Fat: 13g
- Carbohydrates: 4g
- Sodium: 150mg
- Dietary Fiber: 2g
- Sugars: 0g
- Protein: 9g
Ingredients:
Organic sprouted pumpkin seeds, sea salt.
Preparation Instructions:
Enjoy straight from the bag or sprinkle over yogurt, oatmeal, or salads.
Folgers Instant Coffee Classic Roast – $10.99 ($3 off through Sept. 21)
For coffee lovers who need convenience without sacrificing flavor, Folgers Instant Coffee delivers a smooth and rich cup in seconds. Perfect for busy mornings or quick pick-me-ups throughout the day.
Nutritional Facts (per 1 tsp):
- Calories: 0
- Total Fat: 0g
- Carbohydrates: 0g
- Sodium: 0mg
- Dietary Fiber: 0g
- Sugars: 0g
- Protein: 0g
Ingredients:
100% pure coffee.
Preparation Instructions:
Add 1 teaspoon of coffee to hot water, stir, and enjoy. Adjust strength to taste.
Pirate’s Booty Aged White Cheddar Snack – $12.49 ($3.50 off through Sept. 21)
Light, airy, and cheesy, Pirate’s Booty is the snack both kids and parents approve of. Made with baked rice and corn puffs, it delivers crunchy satisfaction without the heavy fried feel.
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Nutritional Facts (per 1 oz):
- Calories: 140
- Total Fat: 7g
- Carbohydrates: 16g
- Sodium: 210mg
- Dietary Fiber: 0g
- Sugars: 1g
- Protein: 2g
Ingredients:
Rice and corn meal, sunflower oil, aged white cheddar cheese, whey, buttermilk, natural flavors.
Preparation Instructions:
Enjoy straight from the bag as a snack or serve in bowls at parties and gatherings.
Chicken of the Sea Chunk Light Premium Tuna in Water – $14.99 ($3 off through Sept. 29)
Protein-packed and versatile, this premium tuna is a pantry staple for quick meals. Use it for salads, sandwiches, or casseroles, and enjoy lean, flavorful protein at a budget-friendly price.
Nutritional Facts (per 2 oz drained):
- Calories: 90
- Total Fat: 1g
- Carbohydrates: 0g
- Sodium: 180mg
- Dietary Fiber: 0g
- Sugars: 0g
- Protein: 20g
Ingredients:
Chunk light tuna, water, vegetable broth, salt.
Preparation Instructions:
Drain and use directly in salads, sandwiches, or mix with mayo and seasoning for tuna salad.
Oreo Mini Sandwich Cookies – $11.99 ($3 off through Sept. 21)
These bite-sized Oreos pack the same classic flavor of crunchy chocolate wafers with sweet cream filling—now in a mini, poppable form. Perfect for lunchboxes, road trips, or portion-controlled indulgence.
Nutritional Facts (per 1 oz):
- Calories: 140
- Total Fat: 6g
- Carbohydrates: 21g
- Sodium: 120mg
- Dietary Fiber: 1g
- Sugars: 12g
- Protein: 1g
Ingredients:
Enriched flour, sugar, palm oil, cocoa, leavening, soy lecithin, chocolate, salt, artificial flavors.
Preparation Instructions:
Ready to eat as-is or crush into ice cream and desserts for added crunch.
San Pellegrino Sparkling Natural Mineral Water – $15.09 ($4.40 off through Sept. 21)
Known for its crisp taste and fine bubbles, San Pellegrino is the sparkling water that elevates any meal. It’s refreshing on its own or a perfect base for mocktails and cocktails.
Nutritional Facts (per 8 oz):
- Calories: 0
- Total Fat: 0g
- Carbohydrates: 0g
- Sodium: 10mg
- Dietary Fiber: 0g
- Sugars: 0g
- Protein: 0g
Ingredients:
Natural mineral water, carbon dioxide.
Preparation Instructions:
Serve chilled straight from the bottle or mix with citrus slices and herbs for a refreshing twist.
Final Thoughts
From sweet treats and savory snacks to premium tuna and sparkling water, Costco’s September grocery deals truly have something for everyone. With discounts running through Sept. 21 (and tuna until Sept. 29), shoppers are filling carts fast to stock up.
Don’t wait—these irresistible deals are flying off shelves now, and you’ll want to grab them before they’re gone.
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