15 New Costco Deals Hitting Shelves This September (Starting at $13.99)

Costco restocks its warehouse aisles all month long, and the September lineup leans hard into cozy season — good news if you're trying to stretch your Costco budget further this fall.

Our roundup pulls 15 new arrivals across home, kitchen, and garden, from a $13.99 plush throw to a SMEG toaster that anchors the high end. Standouts include 100 peony-flowering tulip bulbs that ship the same week you're supposed to plant them, and a S'well salad bowl kit running $30 under the brand's own price.

Costco finds are limited-quantity and gone when they're gone, so don't wait too long to grab your favorites.

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

Price: $13.99

Cozy season starts under $15, and this is the easiest yes on the list. The throw measures a true 60" x 70", which is big enough to actually cover an adult on the couch rather than the decorative lap-blanket size so many "throws" turn out to be.

It has a curly, soft texture, comes in a variety of prints, and is made from 100% recycled polyester at 350 GSM — a substantial weight at this price. Care is refreshingly low-maintenance: machine wash cold on gentle, tumble dry with no heat, no bleach, no ironing. At $13.99, buying a second one so nobody has to negotiate is barely a decision.

Price: $199.99

The splurge, and the one that stops people mid-aisle. SMEG is the Italian brand behind those '50s-retro kitchen appliances, and this four-slot version in black brings the look in a compact footprint.

Four large self-centering slots hold bread and bagels upright, and two independent control sets mean you can run bagels on one side and toast on the other at different browning levels — six settings in all. Backlit chrome knobs cover reheat, defrost, cancel, and bagel.

The body is powder-coated steel that resists scratches and stains, with nonslip feet, a built-in cord wrap, and two removable crumb trays. Costco flags limited quantities. Shopper Kathy said: "Love the look and works great."

Price: $32.99

Three dual-sided boards in graduated sizes, which is exactly how most people actually cook: the large Nutmeg board (17.32" x 12.8") for breaking down a chicken, the mid-size Eggnog (14.57" x 10.83") for vegetables, and the small Coffee board (11.73" x 8.46") for a lemon and a clove of garlic.

The two larger boards have juice grooves, and all three have silicone non-slip feet plus a built-in hole for grabbing and storing. They're made from naturally renewable wood fiber. Here's the part that sells it: they're dishwasher safe, which traditional wood boards very much are not. Three boards at $32.99 works out to under $11 each.

Price: $69.99

The timeliest buy on this list, and the one with an actual deadline attached. These are peony-flowering double tulips — the fat, ruffled kind that read more like garden roses than the standard cup shape — in a blend of blush pink, creamy white, buttery yellow, and rich raspberry.

Costco ships them the week of September 21 for zones 3 through 7 and the week of September 28 for zones 8 through 10, which is precisely when they should go in the ground. You're not storing these in the garage until you get around to it. At 100 bulbs, that's 70 cents each. Longfield Gardens sells its own 60-bulb Romantic Double Collection for $72.89, or about $1.21 a bulb.

Price: $64.99

A Tencel-cotton blend set from a brand most people associate with mattresses in a very different price bracket. It comes in blue, gray, silver, and white, in every size from Twin through California King, starting at $64.99.

The set includes a flat sheet, a fitted sheet, and four pillowcases on every size except Twin, which comes with two. The detail worth paying for is the construction: 360-degree elastic plus corner anchor bands, which is the difference between a fitted sheet that stays put and one you're re-tucking at 3 a.m. Tencel is also why it's called breathable, so this is a reasonable pick if you sleep warm and dread flannel season.

Price: $34.99

Movie season is coming, and this is a better $35 than most streaming add-ons. The 5-quart ceramic bowl turns out 20 cups of popcorn at once — enough for a full room, not a single serving — and a bar stirs continuously so you're not left digging through a layer of unpopped kernels at the bottom.

You pop and serve in the same bowl, which means one dish to wash instead of three. The SmartStore design nests flat, so it doesn't claim an entire cabinet shelf during the eleven months a year you're not hosting a movie night. Shopper Nsk1 said: "The best popcorn popper I've ever owned!"

Price: $44.99

This is the piece you carry to the potluck, and the reason people ask where you got it. It's food-grade 18/8 stainless steel with a see-through leakproof lid, a removable tray that keeps toppings and croutons separated until you're ready to toss, a small canister for dressing, and bamboo serving utensils that nest inside the tray so they don't rattle loose in your car.

The single-wall construction keeps it sleek rather than bulky, and it's refrigerator and freezer safe, so you can build the whole thing the night before. S'well lists the XL Salad Bowl Kit at $75 on its own site — a $30 gap.

Price: $29.99

Three glass diffusers, 15 reeds, and a French toile–inspired gift box for $29.99 — about $10 a vessel. Each 2.5-inch bottle gets five 9.25-inch reeds, and the scents are genuinely fall-appropriate rather than generic: Pine Cedar (fresh pine needles and cedarwood), Oakmoss Amber (earthy moss layered with warm amber), and Lavender Sandalwood (soothing lavender with creamy sandalwood).

There's no flame and no outlet involved, so they work in spots you'd never put a candle — an entryway console, a guest bath, a bedroom you leave unattended. The fragrance is mixed and packed in the USA. Keep one, gift the other two, and look considerably more organized than you are.

Price: $129.99

Ragweed season peaks in September, which makes the timing here suspiciously convenient. The C710 is AHAM verified for 384 square feet and rated to clean rooms up to 1,844 square feet in an hour, and its True HEPA filter captures 99.99% of particles down to 0.1 microns — the range that covers pollen, smoke, and pet dander.

A PM2.5 sensor feeds an auto mode that raises and lowers fan speed on its own, and a sleep mode keeps things quiet overnight. Wi-Fi is built in. The real value is in the box, though: two all-in-one filters are included, or roughly two years of filtration, which is where these machines usually start costing you.

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Price: $32.99

This one takes the guesswork out of a gallery wall. You get three matted 11" x 14" frames sized to hold 8" x 10" photos or prints, at roughly $11 apiece, in two color options.

Black-and-white watercolor nature art comes included, which means you can hang the set the same afternoon you buy it and swap in your own photos whenever you get around to printing them. That's a small thing, but it's the difference between a finished wall and three empty frames leaning against a baseboard for six months. The frames are MDF with glass insets, mounting hardware is in the box, and they hang vertically or horizontally.

Price: $39.99

Sixty recyclable aluminum capsules across four roasts — Blonde Espresso, Espresso, Pike Place, and Single-Origin Colombia — which is a sensible way to work out what you actually like before committing to a full box of one thing.

They work with Nespresso OriginalLine machines including the Essenza Mini, Pixie, CitiZ, Expert, Lattissima, KitchenAid, and Creatista. The math is where this earns its spot: $39.99 for 60 pods comes to about 67 cents each. Target sells the same Espresso Roast line in 10-count boxes for $9.49, or roughly 95 cents a pod. Two cups a day, and that gap turns into real money over a year.

Price: $29.99

Kirkland Signature does a handful of things unreasonably well, and shearling is one of them. These have a genuine shearling upper and sock lining rather than a synthetic pile, plus an embroidered collar binding and a lightweight EVA outsole sturdy enough for a trip to the mailbox.

They come in tan (chestnut) or brown (chocolate) and run US W6–11 and M5–13 in whole sizes only. Costco recommends sizing up if you're between sizes, since sheepskin stretches with wear and the initial fit should be snug. Care is a damp cloth, not the washing machine. Shopper Wally12 said: "These are my second pair, and they hold up better than any slipper I've had."

Price: $29.99

Fine porcelain with a fluted texture and clean, elegant lines, in 11-inch and 10-inch diameters. That's big enough to hold a pasta salad for a crowd or a mounded bowl of fruit on the counter, which is realistically where these will spend most of their time.

They nest inside each other for storage, so you're giving up one cabinet slot instead of two, and both are microwave and dishwasher safe — not a given with porcelain this decorative. They have real heft, too, at roughly three pounds apiece. Fifteen dollars a bowl is genuinely reasonable for serving pieces that look like they came from a specialty shop rather than a warehouse aisle.

Price: $59.99

Yes, already. Costco's holiday stock lands early and disappears quietly, and this 30-inch mixed pine wreath is the version to grab if you'd rather not deal with a cord.

Fifty warm white LEDs run in either steady or twinkle mode, and a built-in timer cycles six hours on and 18 hours off, so you set it once and it handles itself for the rest of the season. Three C Duracell batteries are included, which is a welcome change from how often "batteries not included" shows up on lit decor. It ships in plain packaging and is rated for indoor and covered-porch use only.

Price: $39.99

Six pieces in one box: two bath towels at a generous 58" x 30", two hand towels at 30" x 16", and two washcloths, all in 100% cotton with a hanging loop stitched onto every piece. That last detail is the one that matters day to day — a loop is what actually lets a towel dry between uses instead of sitting damp on a bar.

The designs are reversible and come in a bright, saturated palette, and the set carries OEKO-TEX Made in Green certification, meaning it's been tested for harmful substances. At $39.99 for six pieces, that's about $6.67 apiece, or a full bathroom refresh in a single trip.

September's Costco lineup is heavy on cozy, practical, and quietly good value — the kind of finds that earn their shelf space instead of collecting dust in a cabinet. Prices here are already low, and using one of the best cash back credit cards is a smart way to make your money go further.