In the K-pop scene, plenty of new songs arrive every month.
Among the tracks released in September 2025, there might be a wonderful song you haven’t discovered yet.
From numbers that made headlines at the time to hidden gems that have been steadily gaining popularity, this article offers a thorough introduction to the songs that came out that month.
Whether you want to keep up with your favorite artists or are looking for a new bias to support, be sure to find a track that catches your ear!
- K-POP New Releases [May 2025]
- K-POP New Song Release [December 2025]NEW!
- K-POP New Releases [April 2025]
- K-POP New Song Releases [March 2025]
- K-POP New Song Release [June 2025]NEW!
- K-POP New Song Release [July 2025]NEW!
- K-POP New Song Release [August 2025]NEW!
- K-pop New Releases [February 2025]
- K-POP New Song Releases [January 2025]
- K-POP New Song Release [October 2025]NEW!
- K-POP New Song Release [November 2025]NEW!
- [List of New Korean Songs] Latest & Trending K-POP Roundup [February 2026]
- [2026] A roundup of popular K-POP hits that were trending this year
K-POP New Song Releases [September 2025] (1–10)
READY 2 RUMBLEALL(H)OURS

ALL(H)OURS is a boy group that debuted in 2024 and received multiple Best New Artist nominations at that year’s music awards.
The group has also drawn attention for including Masami, a member from Japan.
This track is featured on their fourth mini album, “VCF,” released in September 2025.
It’s a hybrid trap number radiating fierce energy, as if the curtain is about to rise on a battle.
The growling vocals and earthquake-like beats unleash a primal fighting instinct in the listener.
Embodying the album’s theme of forging their own path rather than chasing trends, the song feels like a statement of resolve.
It’s the perfect track when you need courage to face a challenge or want to push your mood to the absolute peak.
Bye Bye (feat. Lee Mujin)BIG Naughty

Seo Dong-hyun, better known as BIG Naughty, is a rapper beloved for the comfort of his sing-rap style.
“Bye Bye” is a track released in September 2025, featuring singer-songwriter Lee Mujin.
Its theme—offering comfort to people on their way home—is striking, and the warm sound seeps into the heart.
What the song conveys is not just a simple farewell, but a small resolve to draw a line under a tiring day and head toward tomorrow.
BIG Naughty’s conversational rap and Lee Mujin’s gentle vocals play off each other as if they’re acknowledging your hard work for the day.
Listen to it on your way home, and it will gently wrap even the most sentimental feelings in warmth.
SHOOT (Firecracker)CHAEYOUNG

Chaeyoung, who also shines as TWICE’s main rapper, released this as the title track of her solo debut album “LIL FANTASY vol.1” in September 2025.
It’s a dance-pop number that fuses jazz and disco, with groovy rhythm guitar and a funky bass line keeping the vibe light and buoyant.
Chaeyoung’s smooth, airy vocals and the catchy chorus leave a strong impression.
Celebrating new beginnings and launching one’s ambitions, the song’s message feels like a declaration of resolve as she takes her first step as a solo artist.
The album featuring this track reached No.
3 on Korea’s weekly charts.
It’s the perfect number for when you want to lift your mood and dance.
WONDER YOUCIX

A track released in September 2025 by the boy group CIX, who have captivated fans since their debut with highly narrative concepts.
It was included as the title song of their 8th EP, “GO Chapter 1: GO Together.” While retaining their signature dreamy sound, the song adds varied rhythms and sharp arrangement that make your heart skip.
Riding on a bright pop sound, it delivers a straightforward message of curiosity—the desire to know everything about the one you love—and the pure realization that this person is your “angel.” It feels like a message song full of hope, like a light found beyond the hardships of their August 2024 lineup change.
FaSHioNCORTIS

CORTIS, a new star emerging from BIGHIT MUSIC—the label behind BTS and TOMORROW X TOGETHER—marks the company’s first new group in six years.
They champion “collaborative creation,” with all members involved in everything from songwriting and composing to video production.
Featured on their debut EP, COLOR OUTSIDE THE LINES, released in September 2025, this track is a hard-hitting hip-hop number driven by piercing synths.
Rather than chasing trends, it celebrates a way of life that defies existing boundaries—like finding your own value in vintage clothing.
Reportedly chosen from over 300 songs crafted over more than two years, the track’s intensity is overwhelming.
When you want to stay true to yourself, it’s a powerful anthem that will lift your spirits.
GO!CORTIS

CORTIS, drawing attention as the next presence following BTS and TOMORROW X TOGETHER, is a truly young creator crew that champions “collaborative creation,” with every member handling everything from songwriting and composing to choreography.
This work is the opening intro track for their debut EP, COLOR OUTSIDE THE LINES, released in August 2025.
It’s a hip-hop tune where razor-sharp synths race over a minimal trap beat, serving as a musical statement of intent for the group.
You can feel a powerful drive to break fixed ideas—almost as if their name’s ethos of “coloring outside the lines” has been turned directly into sound.
Listen to it when you’re starting something new; their passion will come through, and it will surely give you courage!
DUMB (Feat. PENOMECO)D.O

A pop-rock number by EXO’s D.O., who also showcases his versatile talents as an actor, in collaboration with rapper PENOMECO.
Released in September 2025, the track reveals a new side of him following the July release of his album “Bliss.” D.O.
himself took part in writing the lyrics, which convey introspective emotions as he faces himself.
Over an energetic band sound, his assured vocals and PENOMECO’s rap create a striking contrast.
It’s perfect not only as an uplifting driving song, but also as a companion for nights when you want to pause and take a fresh look at yourself.


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