Mark your calendars and set reminders: September will be a busy month on the made-up food holiday and deal front.

Besides Labor Day, September brings National Guacamole Day, National Cheeseburger Day and one of the most popular days of the year, National Coffee Day.

September also is Better Breakfast Month, National Honey Month, National Rice Month and National Potato Month.

Hungry yet?

September also brings the official start of fall on the 22nd and more pumpkin spice, a continuation of the early seasonal change that began in late August.

Bookmark this page because it'll be updated frequently with new deals.

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Today's specials

A few National Coffee Day online deals continue. Sunday also is the last to get free Wendy's burgers.

The deals

Here are the best deals, big days and ongoing specials, available at participating locations. To be on the safe side, check with your closest location before heading out.

Sept. 28-30: Free Shake Friday

Potbelly Sandwich Shop: Through Sunday, Sept. 30, with an entrée purchase at participating locations, get a free shake when you say #FreeShakeFriday. Perk members also will have the perk in their accounts.

Sept. 30: National Coffee Day deals continue

The perks of National Coffee Day continue. Here are the deals, most of which are online, that are still available, while supplies last.

More:Where to get free and discounted java deals for National Coffee Day

More:Online retailers roll out java deals for National Coffee Day

7-Eleven: Through Sunday, with the purchase of breakfast sandwich over $2, get a free coffee. New customers who download the 7-Eleven app and join the loyalty program will get 800 points, which can be redeemed for a free medium coffee.

Boyer’s Coffee: Through Tuesday, get $3.95 off any bag of Mash-Up Coffee at www.boyerscoffee.com with promo code MASHUP18.

Coffee Tea Superstore: Through Oct. 6, get 10 percent off any product at www.coffeeteasuperstore.com with coupon code CoffeeDay.

Community Coffee: Through Monday, get 30 percent off at www.communitycoffee.com with code COFFEEDAY2018.

Drinkfinity: Through Monday, get Drinkfinity’s Americano Starter Kit for $16.50, 50 percent off the regular price with promo code COFFEE. The landing page for the deal is www.drinkfinity.com/coffeeday.

Expedition Roasters: Get 15 percent off premium Themed through Sunday at www.expeditionroasters.com with code CoffeeDay.

H+S Coffee Roasters: Get 10 percent off orders at www.hscoffeeroasters.com with code GOODCOFFEE Saturday and Sunday.

illy: Through 9 a.m. EST Sunday, get a free can of illy coffee when you purchase four cans at www.illy.com and use promo code 5FOR4.

Javaya: Use promo code CoffeeDay to get $5 off orders at www.getjavaya.com through Monday.

Keurig: Through 11:59 p.m. PST Sunday, get 20 percent off boxes of K-Cup, K-Carafe, K-Mug, and Rivo pods and bagged coffee at www.keurig.com with promo code COFFEEDAY.

Leivas Coffee: Through Monday, get 30 percent off at www.leivascoffee.com with promo code LOVECOFFEE18.

Melitta: Through Oct. 5, get 30 percent off Melitta products at shoponline.melitta.com with promo code COFFEEDAY18.

Harry & David: All specialty coffees will be two for $24 at retail stores now through Oct. 25.

Krispy Kreme: Not a deal, but through Sunday, the chain has a special Original Glazed Coffee and Coffee Glazed Doughnuts at participating shops.

Ongoing specials

Applebee’s: The September Neighborhood Drink of the Month is the $2 Samuel Adams OctoberFest.

Baskin-Robbins: Small Cappuccino Blasts are $2.99 in September and October.

Bone Fish Grill: Through Sept. 30, get a free appetizer with purchase of two entrees and this coupon posted at www.bonefishgrill.com.

Carrabba’s Italian Grill: Through Sept. 30, get a free order of lasagne when you dine in and order select signature dishes, including Chicken Bryan, Chicken Marsala or Pollo Rosa Maria.

Carvel: Through Oct. 31, save $2 off a 48-ounce or larger cake or $3 off any sheet cake with a printable coupon.

Chili’s: The chain’s $5 margarita special for September is the Crown Apple Crisp, which is made with Jose Cuervo tequila, Crown Royal Regal Apple Whiskey, Cranberry Juice and Fresh Sour. The drink is available through Sept. 30.

Dairy Queen: For a limited time, download the Dairy Queen app and register for an account and get a free small Blizzard treat at participating locations. Limit one offer per person per visit. Not valid in Texas. There also are weekly exclusives through the app.

Jersey Mike’s: Through Sept. 30, get 10 percent online orders with promo code SUBABOVE10 at www.jerseymikes.com/order. By placing an order, also be entered in the chain’s annual A Sub Above College Football Tailgate Sweepstakes.

Jimboy's Tacos: Through Sept. 30, first responders get a free Original Ground Beef Taco or Bean Taco when they present their employee ID at participating California and Nevada locations for the chain’s new Taco for a Hero campaign. The offer is for firefighters, police, EMTs and active military personnel.

Olive Garden: The Never Ending Pasta Bowl promotion begins Sept. 24 and runs through Nov. 18. The pasta bowl starts at $10.99. During the eight-week deal, 23,000 people will be whipping out a Never Ending Pasta Pass and eating all-they-can-eat and another 1,000 people bought annual passes. The passes sold out in less than a second.

On The Border: Through Oct. 1, get chicken tinga and seasoned ground beef tacos are $2 and brisket and southwest chicken tacos are $4 at participating locations.

Panda Express: Through Oct. 31, get $3 off any online order $5 or more with the code "HONEYISBACK."

Red Lobster: The Endless Shrimp promotion is back for a limited time.

Sonic: For a limited time, get a Carhop Classic, which is the choice of the Quarter Pound Double Cheeseburger or the Classic Signature Slinger, served with medium tots for only $2.99.

Wendy's: This deal lasts through Sept. 30. Get a free Dave's Single with any Wendy’s purchase with an offer on the mobile app, which is available for Apple and Android devices. This offer will refresh daily. Also, through Oct. 7, get a free half-size Harvest Chicken Salad with the Wendy's app and a purchase. One offer per customer per day. Registration in app is required.

Wingstop: Through Nov. 20, Wingstop has a “Big Night In Boneless Bundle” promotion. For $15.99, get 25 boneless wings in three flavors with three dips at participating locations nationwide.

White Castle: Through Oct. 31, the Columbus-based fast-food chain has $3 Bacon Threesomes, which include three options of bacon-loaded sliders.

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Kelly Tyko is a consumer columnist and retail reporter for Treasure Coast Newspapers and TCPalm.com, part of the USA TODAY NETWORK. Read her Bargainista tips at TCPalm.com/Bargainista, follow her on Twitter @KellyTyko and email her at kelly.tyko@tcpalm.com. Sign up for her weekly newsletter at www.tcpalm.com/newsletters.