Read the Best of the Best September Book Releases 2025 Has to Offer
As summer officially comes to an end, we know there’s only one way to get us in the cozy, autumn mood—a good read, of course! This year, cuddle up and celebrate the beginning of fall with a brand new September book release.
3 Popular Genres for September Book Releases
If you look ahead at the upcoming September book releases, you’ll find a wide variety of genres, including:
The September Book Releases We Can’t Wait to Read
Fans of physical copies and lovers of audiobooks alike can finally rejoice—it’s time to preorder these exciting September book releases. Check out our most anticipated titles to build your TBR list IRL and on your favorite audiobook app ASAP:
Pitcher Perfect by Tessa Bailey
New York Times best-selling romance author Tessa Bailey returns with a certifiable homerun on September 9th. In Pitcher Perfect, Boston Bearcats rookie Robbie Corrigan has it all: a successful career in the NHL, a place shared with his best friend and teammate known as the “orgasm donor,” and an off-the-charts love life. But when he meets Skylar Paige, a D1 softball pitcher who refuses to take anyone’s bull and seems to be completely immune to his charms, he may have to change his ways.
When he discovers she’s harboring a serious crush on her brother’s best friend, Robbie knows he should return to his life as a player—but for some reason, he just can’t seem to let Skylar flounder on her own. Determined to redeem himself, he agrees to act as her fake boyfriend and love coach at a family wilderness competition with the crush in attendance. Trust builds and chemistry sizzles, but luckily, it’s all pretend—right?
The Secret of Secrets by Dan Brown
In a long-awaited return, Dan Brown is back and better than ever with a twisty, thought-provoking thriller out September 9th. In The Secret of Secrets, Robert Langdon, the esteemed symbology professor, travels to Prague to attend a lecture by noetic scientist and girlfriend, Katherine Solomon, before her world-changing book on the real nature of human consciousness is released. But when a brutal murder turns a lovely trip into pure chaos, Katherine disappears—along with her treasured manuscript. As Langdon desperately searches for answers, he finds himself targeted by a powerful organization, hunted by an assailant from Prague’s most ancient mythology, and uncovering shocking truths that will change how we think about the human mind forever.
The Gingerbread Bakery by Laurie Gilmore
With a small town setting, enemies-to-lovers plot, found family, and forced proximity tropes, Gilmore’s The Gingerbread Bakery is sure to delight come September 16th. Annie Andrews deserves a love life as sugary sweet as her beloved Gingerbread Bakery, but trapped in a game of words with Mac Sullivan, the irritatingly upbeat bar owner from down the street, her dating life is anything but. Arguing may come easiest to them, but with Jeanie and Logan’s wedding coming up (the stars of another Dream Harbor book, The Pumpkin Spice Café), the two are about to spend a whole lot more time together. Will love replace the hate in her heart as romance rises in the air?
The Academy by Elin Hilderbrand and Shelby Cunningham
From the minds of bestselling author Elin Hilderbrand and her daughter, Shelby Cunningham, comes The Academy, out September 16th, with a deliciously scandalous story of digital-age drama at Tiffin Academy, a New England boarding school that has mysteriously risen from 19th to 2nd place in the nation’s rankings of academies. But when blind items about students and faculty start appearing on phones across the campus on a new app called ZipZap, no one is safe. As the year unfolds and more secrets are exposed, the lives of Tiffin’s staff and students are changed forever.
This Inevitable Ruin by Matt Dinniman
Delve into the LitRPG genre with the epic seventh book in the Dungeon Crawler Carl series, This Inevitable Ruin, out September 23rd. Carl and Princess Donut, the cat, have defied all odds as contestants in the intergalactic competition show. But as they arrive on the ninth floor with new companion Katia, the three realize quickly this season is a bit different than usual. The NPC crawlers, typically mindless drones, have become self-aware and formed their own army in the Faction War. To make matters worse, it doesn’t matter who wins the war—only one of them will be allowed to leave this level and survive.
The Impossible Fortune by Richard Osman
The Impossible Fortune, out September 30th, is the latest installment in the Thursday Murder Club Series—and we can’t wait! With Joyce busy planning her daughter Joanna’s wedding, Elizabeth grieving, Ron dealing with family troubles, and Ibrahim providing therapy to his favorite criminal, there has been no time to solve crimes. But when Nick, a wedding guest, asks for Elizabeth’s help and then disappears without a trace, the gang reunites to seek answers. Will they be able to crack the uncrackable code and track Nick down before it’s too late?
3 Nonfiction September Book Releases to Look Forward To
If you’re looking for upcoming September book releases but prefer nonfiction, you’re in luck! Keep your eyes peeled for these three titles:
All the Way to the River: Love, Loss, and Liberation by Elizabeth Gilbert
When Elizabeth Gilbert met Rayya in 2000, she had no idea how devastating yet liberating their relationship would be. First friends, then best friends, and once tragedy struck, lovers, the two addicts were headed towards disaster, their beautiful love story quickly turning into their biggest nightmare. All the Way to the River, out September 9th, explores the harsh realities of being captivated by love and the challenging journey to liberation.
Replaceable You: Adventures in Human Anatomy by Mary Roach
The body is a complex machine with no replacement parts available. For centuries, medical experts have tried their best to make do, from silicone breast implants to 3D-printed stem cell organs. With an infectious wit, personal anecdotes, and interviews with experts in the field, Roach dares to tackle the difficult topic of human body failure and explore the remarkable advancements made in “Replaceable You,” out September 16th.
We the People: A History of the U.S. Constitution by Jill Lepore
The U.S. Constitution is one of the oldest documents of its kind and famously difficult to amend—but why? In We the People, out September 16th, Harvard professor Jill Lepore offers a wholly new history of the United States Constitution. Over 12,000 proposed amendments have been rejected since 1789. Without the ability to amend an aging document, one that, as she argues, the founders expected to be tinkered with and adjusted by future generations, she explores the very real possibility of political violence in this remarkable September book release.
A Few Other September 2025 Book Releases:
- Rules for Fake Girlfriends by Raegan Revord (out September 2nd)
- People Watching by Hannah Bonam-Young (out September 9th)
- We Met Like This by Kasie West (out September 16th)
- Tourist Season by Brynne Weaver (out September 23rd)
- Soul Searching by Lyla Sage (out September 30th)
From best-selling romance to genre-defining thrillers, there’s something for everyone in this list. Make sure your bookshelves are stocked for fall with these highly anticipated September book releases. Swing by Novel on release day or order online with our Bookshop.org link!