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Book of the Month Predictions: What Could Be in the September 2025 Box?
There’s something about September that feels like a fresh start—new routines, cooler weather, and of course, a new stack of books to curl up with. Book of the Month usually leans into the cozier, more atmospheric reads this time of year, and the September 2025 picks could bring a mix of emotional fiction, twisty thrillers, and a few buzzy debuts we’ll all be talking about.
If you’re already wondering what might be in your next blue box, you’re in the right place. I’ve rounded up some of the most anticipated releases and likely picks based on recent BOTM trends. Let’s take a look at what could be coming next!
And if you want to know about even more books releasing in September 2025, check out my complete list here. There are over 60 books on the list this month!
Related: September 2025 New Book Releases
If you aren’t familiar with Book of the Month, you can check out my full review of this subscription service. Each month, Book of the Month chooses 5-7 books from different genres and members can choose their pick when the books go live. You can also add on up to two more books for only $11.99 each. As of June 2023, BFF members can add up to four more books to their box.
If you don’t like any of the picks, you can choose to skip and save your credit for the next month, which is honestly the best part of this service to me. I don’t like subscription boxes that only offer one book selection that you don’t know ahead of time. If you are interested in trying Book of the Month, you can use my link to get your first book for only $5!
As usual, these are just my opinions and my Book of the Month predictions. It is fine if you disagree or think the Book of the Month September 2025 predictions are terrible-we all have different reading tastes. Please remember to be kind in comments or messages because we are all readers with different tastes!
Mystery/Thriller Book of the Month September 2025 Predictions
The Belles by Lacey N. Dunham
Release Date: September 9, 2025
In this richly atmospheric, dark academia debut novel, a young woman with a secretive past will risk everything—including her life—to fit in.
The Wasp Trap by Mark Edwards
Release Date: September 16, 2025
A dinner party in a beautiful Notting Hill townhouse turns into a sinister game as six old friends are forced to spill their darkest secrets…or else.
The Locked Ward by Sarah Pekkanen
Release Date: August 5, 2025
Repeat Author, Possible add-on
Nothing is as it seems in Sarah Pekkanen’s The Locked Ward, a shocking psychological thriller about the complex bonds of sisterhood―and what happens when they are stretched to the breaking point.
Romance Book of the Month September 2025 Predictions
Tourist Season by Brynne Weaver
Release Date: September 23, 2025
Repeat Author, First book in a series
Tourist Season is a darkly funny, slow burn, enemies-to-lovers romance where destruction and desire are balanced on the edge of a blade—and where love is the most dangerous battleground of all.
Kitty St. Clair’s Last Dance by Kate Robb
Release Date: September 30, 2025
Repeat Author, Possible Add-on
When a young woman is bequeathed a shuttered dance hall, she begins to dream of its heyday—and learns to see her present-day entanglements in a new light.
Every Step She Takes by Alison Cochrun
Release Date: September 2, 2025
Repeat Author, Possible add-on
A swoon-worthy sapphic romance following two women who are thrown together on a European adventure.
The Heartbreak Hotel by Ellen O’Clover
Release Date: September 23, 2025
Debut Author
A bed-and-breakfast for the brokenhearted might hold the key to another chance at love in this achingly hopeful debut romance.
Historical Fiction Book of the Month September 2025 Prediction
The Lost Story of Eva Fuentes by Chanel Cleeton
Release Date: September 30, 2025
A mysterious book with a legacy spanning from the beginning of the twentieth century to the present day unites three women—and their secrets—in this unforgettable novel from New York Times bestselling author Chanel Cleeton.
Contemporary Fiction Book of the Month September 2025 Predictions
The Academy by Elin Hilderbrand and Shelby Cunningham
Release Date: September 16, 2025
Repeat Author, Possible Add-on
From #1 bestselling author of The Perfect Couple Elin Hilderbrand, and her daughter, Shelby Cunningham: the irresistible, deliciously scandalous story of one drama-filled year at a New England boarding school.
Hot Desk by Laura Dickerman
Release Date: September 2, 2025
Debut Author
Younger meets Writers & Lovers in this rollicking, sparkling, and funny novel that spans decades and generations of a family in the publishing industry.
Literary Fiction Book of the Month September 2025 Predictions
Discontent by Beatriz Serrano
Release Date: September 2, 2025
From a dazzling new international voice, an audacious, darkly funny novel about a young woman whose carefully crafted office persona threatens to crack when she’s forced to attend her company’s annual retreat.
This title was found in the word search hint posted in the Book of the Month app.
The Elements by John Boyne
Release Date: September 9, 2025
An epic saga that weaves together four interconnected narratives, each representing a different perspective on crime: the enabler, the accomplice, the perpetrator, and the victim.
Heart the Lover by Lily King
Release Date: September 30, 2025
From the New York Times bestselling author of Writers & Lovers comes a magnificent and intimate new novel of desire, friendship, and the lasting impact of first love.
The Wilderness by Angela Flournoy
Release Date: September 16, 2025
An era-defining novel about five Black women over the course of their twenty-year friendship, as they move through the dizzying and sometimes precarious period between young adulthood and midlife.
Fantasy/Magical Realism Book of the Month September 2025 Predictions
A Land So Wide by Erin A. Craig
Release Date: September 2, 2025
Repeat Author
From the No. 1 New York Times bestselling author of The Thirteenth Child, comes an irresistible blend of dark fairytale and romantic fantasy set in the beautiful but brutal Canadian wilderness.
Wild Reverence by Rebecca Ross
Release Date: September 2, 2025
Repeat Author, Spinoff series in the Divine Rivals world
Set in the world of the gods first introduced in Divine Rivals, #1 New York Times bestselling author Rebecca Ross delivers a sweeping, beautiful adult novel filled with tension, romance, and dark secrets.
Thief of Night by Holly Black
Release Date: September 23, 2025
Repeat Author, Book 2 in The Charlatan Duology
There’d always been something wrong with Charlie Hall. Crooked from the day she was born. Never met a bad decision she wasn’t willing to double down on. She may be good enough to steal a shadow from a tower, but will she be good enough to steal back a heart?
Katabasis by R. F. Kuang
Release Date: August 26, 2025
Repeat Author, Possible September Pick/add-on
Dante’s Inferno meets Susanna Clarke’s Piranesi in this all-new dark academia fantasy from R. F. Kuang, the #1 New York Times bestselling author of Babel and Yellowface, in which two graduate students must put aside their rivalry and journey to Hell to save their professor’s soul—perhaps at the cost of their own.
Horror Book of the Month September 2025 Prediction
Play Nice by Rachel Harrison
Release Date: September 9, 2025
A woman must confront the demons of her past when she attempts to fix up her childhood home in this devilishly clever take on the haunted house.
This title was found in the word search hint posted in the Book of the Month app.
Nonfiction Book of the Month September 2025 Prediction
All the Way to the River by Elizabeth Gilbert
Release Date: September 9, 2025
In her first nonfiction book in a decade, the #1 bestselling writer who taught millions of readers to live authentically (Eat Pray Love) and creatively (Big Magic) shows how to break free.
This title was found in the word search hint posted in the Book of the Month app.
Do you agree with my predictions? What are some of your Book of the Month September 2025 predictions or hopefuls? Let me know in the comments!
More New Book Releases
- 2025 Mid Year Reading Check In
- Best New Fantasy Books of 2025
- Book Review: Overruled by Lana Ferguson
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