September 2025 is going to be an entertaining month for anime lovers. Many new shows, movies, and next seasons are coming, and they bring a mix of everything. There will be lighthearted slice-of-life stories, fast-paced action, spooky supernatural tales, and big fantasy adventures.
Anime Releases in September 2025
No matter what you enjoy, whether it is relaxing Netflix series, exciting movies in theaters, or weekly episodes full of surprises, there is something here for you. Let’s look at all the anime releasing this month so you can plan your watchlist easily.
Pokémon Concierge (Part 2)—September 4 on Netflix
This series feels like a warm hug. Watching Haru help Pokémon relax at a holiday resort is pure comfort. If you enjoy cute moments and cozy storytelling, this is a great show to unwind with.
The Fragrant Flower Blooms with Dignity (Season 1)—September 7 on Netflix
A sweet romance where a boy from a rough school meets a gentle girl from an elite academy. It is the kind of story that makes you smile, showing how friendship and love can cross any boundary.
Pokémon Horizons Season 2: The Search for Laqua (Part 4)—September 7 on Netflix
The adventure continues as Liko and Roy search for legendary heroes. The story feels exciting and full of discovery. If you grew up watching Pokémon, this has that classic journey-together feeling that never gets old.
Dan Da Dan (Season 2)—ongoing, finale around mid-September
This anime is pure chaos in the best way. It mixes ghosts, aliens, and wild fights. The story is funny, weird, and action-packed. If you want a crazy ride with lots of energy, this is the one.
Sakamoto Days (Season 2)—ongoing
This is about a retired assassin who only wants a quiet family life but keeps getting pulled back into action. It is hilarious and thrilling at the same time, balancing comedy with sharp battles.
One Piece: Egghead Island Arc (Part 2)—ongoing
The Straw Hats never disappoint. This arc contains mystery, high-stakes battles, and the classic One Piece mix of humor and drama. A must-watch for longtime fans of the series.
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Demon Slayer: Infinity Castle (Movie)—September 12 in theaters
This is the big one. The showdown against Muzan happens here, and it is going to be emotional, intense, and visually stunning on the big screen. Fans should be ready to cry and cheer.
Chainsaw Man The Movie: Reze Arc – September 19 in Japan
This movie is not only about brutal fights, although there are many. At its heart is Denji’s deep connection with Reze, which makes the story more powerful. It is tragic, raw, and unforgettable.
The Summer Hikaru Died—ongoing until September 20
This haunting story is about love, grief, and something terrifying that takes root in a quiet town. It feels eerie but also deeply emotional. Perfect for anyone who enjoys slow horror with real heart.
