Temperatures are dropping for most of us, and that means it's time to take stock of your home and your Costco list. Planning saves time and money, and stocking up early can be a smart way to save money on seasonal essentials before prices rise or items sell out. If you're prepping for crisp autumn days and frosty nights or just looking to stretch your budget, we've got you covered.
We've searched for the best buys to keep you warm and comfy. From soft layers and heating pads to must-haves like batteries, here's our list of the 15 items to buy before the end of September.
Editor's note: Prices and availability are subject to change and may vary by location.
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Weatherproof Vintage Women's Flannel Shirt
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Price: $14.99
Autumn is here, and on a chilly day, nothing is warmer or more snuggly than a flannel shirt. Made mostly of soft cotton with a touch of stretch, the classic plaid design and chest pocket make it a comfy classic.
At this price, you just can't go wrong. Consider sizing up for layering.
Aveeno Daily Moisture Lotion
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Price: $18.99
Cold air combined with indoor heating can cause dryness, especially in mature skin, so it's essential to protect against moisture loss. This dermatologist-recommended lotion hydrates deeply for up to 24 hours, with no fragrance or greasy residue. And with a prebiotic oat formula to nourish your skin barrier, it's gentle enough for daily use.
Two big bottles mean you can keep one in the bathroom and one by your favorite chair.
32 Degrees Unisex Crossbody Bag
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Price: $19.99 (on sale from $22.99 )
Keep your belongings safe and your hands free with these lightweight, over-the-shoulder bags for men or women. Featuring adjustable shoulder straps and two exterior pockets, these bags are made of sturdy, water-resistant nylon. No worries about rain or snow. Tuck your wallet, keys, a snack, and more into an inner pocket, and keep your phone handy.
Two bags at the price of one? Grab it while it lasts.
Levoit Smart Hybrid Ultrasonic Warm/Cool Mist Humidifier
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Price: $79.99
Home heating can dry out the air, leading to issues such as irritated sinuses, sore throats, and an increased risk of catching a cold. But this lightweight, portable humidifier restores moisture with either warm or cool mist.
With a range of up to 753 square feet, a 50-hour runtime, remote control, and more, you'll breathe and sleep better throughout the colder months ahead.
Design Optics by Foster Grant Eric Blue Light Reading Glasses
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Price: $18.99
Tired eyes from screen time? These stylish reading glasses filter approximately 30% of potentially harmful blue light, helping to reduce eye strain. With spring hinges for comfort, scratch-resistant lenses, and an anti-reflective coating, they're as practical as they are good-looking.
Comes in a convenient two-pack with neoprene cases.

Olay Advanced Moisture Renewal Blend Body Wash
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Price: $12.49 (on sale from $16.99)
Cold weather can dry out your skin fast, but this shea butter body wash from Olay delivers serious moisture during your shower or bath. It cleanses gently while infusing hydration deep into the skin.
With three full-size bottles in one pack, you'll have plenty to get you through the chilly season.
Max & Mia Women's Cotton Cardigan
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Price: $18.99
A mid-thigh cardigan is a fall classic at home or out. Made from 100% combed cotton, this warm sweater is soft, breathable, and perfect for layering. The open front, patch pockets, and ribbed trim give it the perfect balance of comfort and style.
Available in ivory and extended sizes.
Duracell Coppertop Alkaline AA Batteries
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Price: $19.99
With colder weather and winter holidays approaching, now's the perfect time to stock up on batteries. This 40-pack of Duracell AA batteries is perfect for remotes, flashlights, medical devices, and more. Long-lasting Power Boost technology and a 12-year shelf life mean fewer annoying "low battery" moments when it counts.
And at $0.50 per battery? Need we say more?
Pendleton Reversible Plush Throw
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Price: $24.99
You'll be toasty warm in minutes with this richly colored throw. With classic Pendleton patterns on both sides, along with a soft, faux suede edge, it's a touch of luxury for your bedroom or living room.
It's thick, plush, and perfect for chilly evenings with a good book or your favorite show.
- 18-29
- 30-39
- 40-49
- 50-59
- 60-69
- 70-79
- 80+
Scallop Tufted Bath Rug
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Price: $14.99
This cotton bath rug stands out with its scalloped edges — a thoughtful detail that elevates it beyond basic rectangular mats. The latex backing actually keeps it anchored in place to avoid slipping.
Machine-washable 100% cotton also means easy upkeep, and at this price point, it's a simple way to add warmth to any bathroom without breaking the budget.
Dearfoams Women's Slipper
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Price: $15.99
Cold floors? No problem. These cozy slippers feature cushioned memory foam insoles, a warm lining, and an indoor/outdoor sole, making them perfect for everything from lounging to checking the mail. They're easy to slip on and off, come in neutral colors, and are machine washable.
They're the definition of low-priced comfort and quality.
Pure Enrichment Extra-Wide Weighted Heating Pad
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Price: $44.99
Warmth and gentle pressure might be exactly what you need. This extra-wide heating pad combines soothing heat with 3.5 pounds of weight to help ease muscle tension and pain.
Four temperature settings let you adjust to your needs, and the soft fabric feels great against your skin. It even shuts off automatically after two hours, just in case you fall asleep.
Kirkland Signature Organic Extra Virgin Olive Oil
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Price: $20.99
You might be surprised to learn that Costco's house brand olive oil is renowned for its rich, full-bodied taste. It's cold-pressed and USDA organic, too, so when you're sautéing veggies or dipping crusty bread, you can count on quality and heart-healthy benefits.
The 2-liter bottle means fewer trips to the store, and it's just yet another reason retirees love Costco's kitchen staples.
Kirkland Signature Calcium 500 mg With D3 & Zinc Adult Gummies
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Price: $19.99
Strong bones start with good nutrition, and that means calcium and vitamin D. The two nutrients work together in supporting bone strength, while zinc helps with immunity and many other bodily functions.
The gummies are yummy, and with 240 gummies in two bottles, it's a smart buy that'll last through the season and beyond.
Kirkland Signature Organic Pure Maple Syrup
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Price: $14.99
A touch of sweetness goes a long way, especially when it's 100% pure, organic maple syrup. It's not just for pancakes anymore. Many recipes suggest using it instead of sugar for a deeper flavor. Enjoy it in oatmeal, drizzle it over roasted veggies, and even stir it into your coffee.
This pantry staple is worth stocking up on before fall cooking and baking kick in. Maple-glazed sweet potatoes, anyone?
Bottom line
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Stocking up before the season changes isn't just about comfort — it's also about making the most of your membership. By planning ahead and grabbing these smart September picks, you'll avoid last-minute markups and keep your budget in check. Think of it as a simple Costco shopping hack that helps retirees save money and stay prepared all season long.
Benefits Card Details on Wells Fargo’s secure website Intro Offer
$200 cash rewards bonus after spending $500 in purchases in the first 3 months
Annual Fee $0 Why we like it
If you love earning cash rewards but prefer to avoid the hassle of tracking spending categories, the Wells Fargo Active Cash® Card could be a good option for you. Card members can earn unlimited 2% cash rewards on purchases.
This card also offers a 0% intro APR on qualifying balance transfers and purchases for 12 months from account opening, then 18.99%, 23.99%, or 28.99% Variable. Those looking for straightforward rewards and an introductory APR will likely find value in this card.
FinanceBuzz writers and editors score cards based on a number of objective features as well as our expert editorial assessment.
Our partners do not influence how we rate products.
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