RAG MusicFestival
Lovely music festival

Rock Festival Calendar for September [2026]

Many rock festivals held in September are going strong despite the typhoons.

There are tons of electrifying events like the Inazuma Rock Fes and various circuit-style festivals!

You’ll also find plenty of “I had no idea this existed!” kinds of festivals—definitely worth checking out.

September

Kochi Street La La La Music FestivalSun, 9/20, Kochi Prefecture

This is the spring event of the Kochi Machi La La La Music Festival, held in the heart of Kochi City. As the season begins to feel like spring, the festival offers outdoor live performances that turn the city into a stage, creating a warm atmosphere that brings performers and audience closer together. It’s beloved by both residents and participating artists. Anyone who loves music can enjoy this event as the city and audience come together as one, making it highly recommended for those who want to start making music, those thinking about taking it up again, or anyone interested in participating in various ways.

ScheduleSunday, September 20, 2026
placeKochi Prefecture, Kochi City
Websitehttps://kc-lalala.com
SNS

KOYABU SONICSep 21 (Mon) – 23 (Wed), Osaka Prefecture

Koyabu Sonic is hosted by Chihiro Koyabu, a hugely popular TV personality known for Yoshimoto Shinkigeki. The event will take place over three days using Halls 2 and 5 at Intex Osaka. In addition to performances by the Yoshimoto Shinkigekis band—formed by Yoshimoto comedians who are expanding their activities across the country—many comedian stages are also planned.

ScheduleMon–Wed, Sep 21–23, 2026
placeIntex Osaka, Osaka City, Osaka Prefecture
Websitehttp://www.koyabusonic.com/
SNS

1CHANCE FESTIVALSep 26 (Sat) – 27 (Sun), Kumamoto Prefecture

This is an outdoor festival hosted by WANIMA, the popular three-piece rock band known for doing commercials and theme songs. Holding a festival they run themselves in their hometown of Kumamoto is a long-awaited event for both the band and their fans! I can’t wait to see which of their close-connected bands will be on the lineup. It’s a must-see event for fans who want to fully enjoy both music and Kumamoto. If you’re visiting Kumamoto for the first time, be sure to set aside plenty of time and go have fun!

ScheduleSat, Sep 26–Sun, Sep 27, 2026
placeKumamoto Prefecture, Kōshi City, Kumamoto Prefectural Agricultural Park Country Park
Websitehttps://1chancefes.com/
SNS