5 K-Dramas to Watch on Netflix in September 2026

September is shaping up to be another big month for Korean dramas on Netflix.

From Song Kang's highly anticipated return to a dangerous Joseon-era romance starring Son Ye-jin and Ji Chang-wook, Netflix has plenty for K-drama fans to add to their watchlists this month.

Here are five Korean titles and releases worth watching or keeping on your radar in September 2026.

🎹 1. Four Hands, Two Sonatas

One of September's biggest K-drama attractions is “Four Hands, Two Sonatas,” starring Song Kang and Lee Jun-young.

The 12-episode drama takes viewers into the competitive world of classical music.

Song Kang plays piano prodigy Kang Bi-o, whose carefully built path toward the top is disrupted by the arrival of gifted rival Choi Jeong-yo, played by Lee Jun-young.

The story follows rivalry, ambition and friendship as young musicians navigate the pressures surrounding their talent.

⭐ Stars: Song Kang, Lee Jun-young, Jang Gyu-ri

🎭 Genre: Youth / Drama / Music

πŸ“Ί Episodes: 12

πŸ“… New episodes: Saturdays & Sundays

πŸ”₯ 2. The Scandal

If historical romance is more your style, “The Scandal” should be near the top of your list.

The series stars Son Ye-jin, Ji Chang-wook and NANA and premieres globally on Netflix on September 18.

Set in Joseon-era Korea, the drama revolves around Lady Cho and Cho Won, who become involved in a dangerous game of desire, seduction and forbidden love.

The series reimagines the classic French novel Dangerous Liaisons through a Korean historical setting.

⭐ Stars: Son Ye-jin, Ji Chang-wook, NANA

🎭 Genre: Historical / Romance / Drama

πŸ“Ί Episodes: 8

πŸ“… Netflix: September 18

πŸ₯Š 3. Our Sticky Love

For viewers looking for something lighter, “Our Sticky Love” combines romance, mystery and an unusual amnesia setup.

The story follows ambitious prosecutor Go Eun-sae, who wakes up in a small village with no memory of how she got there.

Then boxing coach Jang Tae-ha appears — and claims he's her boyfriend.

There's just one problem: she doesn't remember him.

As Eun-sae tries to recover her memories, questions begin to emerge about whether Tae-ha was ever really her boyfriend in the first place.

⭐ Stars: Jung Hae-in, Ha Young

🎭 Genre: Romantic Comedy / Mystery

πŸ“Ί Episodes: 12

πŸ‘Š 4. Teach You a Lesson

Want something completely different from romance?

“Teach You a Lesson” brings action into the Korean school-drama formula.

When respect and discipline collapse inside schools, unconventional inspectors are brought in to deal with violence and bullying using methods that are anything but ordinary.

The limited series stars Kim Moo-yul and Lee Sung-min and offers a much tougher alternative to September's romance-heavy lineup.

⭐ Stars: Kim Moo-yul, Lee Sung-min

🎭 Genre: Action / Drama

πŸ”ž Rating: TV-MA

🎬 5. Keep an Eye on Netflix Korea's Next Wave

September isn't only about shows you can immediately binge.

Netflix Korea is also revealing its next generation of Korean originals. One of the newest projects announced this month is “Materesa” (working title).

NANA stars as Ma Teresa, a cold-blooded criminal psychology professor who helps investigate unsolved murders.

The series is directed by Jang Young-woo, whose credits include “Queen of Tears,” making it one of Netflix Korea's upcoming projects worth putting on the radar now.

πŸ‡°πŸ‡· Korean Content Remains Huge for Netflix

Netflix's investment in Korean entertainment isn't difficult to understand.

The company says that more than 80% of Netflix members worldwide have watched Korean titles.

That global audience has allowed Netflix's Korean lineup to expand well beyond traditional romantic dramas into thrillers, action series, reality shows, historical dramas and films.

🍿 What Should You Watch First?

🎹 Music + youth drama: Four Hands, Two Sonatas

πŸ”₯ Historical romance: The Scandal

πŸ’• Rom-com: Our Sticky Love

πŸ‘Š Action: Teach You a Lesson

πŸ”Ž Future thriller to watch: Materesa

Whatever your favorite genre, September gives K-drama fans plenty to watch — and several more Korean Netflix projects are already lining up behind them.

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Sources: Netflix, Netflix Tudum and What's on Netflix. September 2026.

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