What's on in Seoul

Seoul events in September 2027

89 events in September 2027: 38 exhibitions, 18 performances, 16 activities and classes, 9 markets, 3 illuminations, 3 nightlife events and 2 festivals, from headline festivals to neighbourhood fairs. 13 of them are annual events whose 2027 dates are still to be confirmed, listed with their usual window.

The heat eases, with an average high of 26°C. Seoul's big autumn programme starts, with the Autumn Festa, and Chuseok falls in the month in 2027. More on the season in Things to do in Seoul.

Map

Don't miss in September 2027

Silver curved Dongdaemun Design Plaza building with a bronze figure sculpture in front, Seoul
Exhibition Frieze Seoul 2027 1 Sept to 5 Sept 2027, dates to be confirmed · Dongdaemun Frieze announced on 14 Aug 2026 that the 2027 fair moves to DDP while COEX is renovated. The 2026 edition ran at COEX, 2 to 5 September. The 2027 dates haven't been announced. Photo: Stephen Kelly, CC BY 4.0
Silver curved Dongdaemun Design Plaza building with a bronze figure sculpture in front, Seoul
Illumination Seoul Light DDP Autumn 2 Sept to 12 Sept 2027, dates to be confirmed · Dongdaemun The 2026 autumn edition ran 3 to 13 Sep. The 2027 dates haven't been announced. Photo: Stephen Kelly, CC BY 4.0
Wide paved plaza of Yeouido Hangang Park beside the river with the city skyline behind, Seoul
Illumination Seoul International Fireworks Festival 2027 4 Sept 2027, dates to be confirmed · Yeouido The organiser's site places the 2026 festival in September and says the 2027 festival will be at Yeouido Hangang Park. It gives no date for 2027. The 2026 edition was held on Sept 5. Photo: Kars Alfrink, CC BY 2.0
Festival Chuseok at the royal palaces 14 Sept to 17 Sept 2027, dates to be confirmed · Gyeongbokgung and Gwanghwamun Chuseok is on Sept 15, 2027. For Chuseok 2026 the four palaces, Jongmyo and the Joseon royal tombs were free to enter, per Visit Korea's holiday guide. The 2027 programme hasn't been announced.
Festival Seoul Autumn Festa 17 Sept to 28 Nov 2027, dates to be confirmed · Jongno and Insadong The 2026 edition runs 18 Sep to 29 Nov. The 2027 dates haven't been announced.
Exhibition World Design Congress Seoul 2027 22 Sept to 25 Sept 2027 · Seoul The World Design Organization's own page says the next World Design Congress takes place in Seoul from 22 to 25 Sept 2027, hosted by the Seoul Design Foundation. The congress includes a General Assembly, a Research and Education Forum and a two-day design conference.

Calendar

Day by day

Each event on its first day still ahead. Tap a day in the calendar for everything on that day.

3 events

Frieze Seoul 2027Dongdaemun · Dongdaemun Design Plaza (DDP) · 1 Sept to 5 Sept 2027Usual dates
Kiaf SEOUL 2027Gangnam and Sinsa · COEX · 1 Sept to 5 Sept 2027Usual dates
Seoul Fashion Week S/S 2028Dongdaemun · Dongdaemun Design Plaza and Jamsil · 1 Sept to 6 Sept 2027FreeUsual dates

1 event

Seoul International Fireworks Festival 2027Yeouido · Yeouido Hangang Park · 4 Sept 2027Usual dates

1 event

Chuseok at the royal palacesGyeongbokgung and Gwanghwamun · Gyeongbokgung, Changdeokgung, Deoksugung, Changgyeonggung and Jongmyo · 14 Sept to 17 Sept 2027FreeUsual dates

1 event

World Design Congress Seoul 2027Seoul · Seoul (venue not named on the WDO page) · 22 Sept to 25 Sept 2027

Also on dates the organisers post: Seoul Folk Flea Market (Daily except Tuesdays).

On for weeks

10 long runs, such as exhibitions and illuminations: on for more than a week, so shown once instead of every day.

A City's Boarding LogEunpyeong-gu · Seoul Metropolitan Archives, Exhibition Hall 1 (2nd floor) · 23 Oct 2025 to 31 Aug 2028Free
Banpo Moonlight Rainbow Fountain (2027 season)Apgujeong and Cheongdam · Banpo Hangang Park · 1 Apr to 31 Oct 2027FreeUsual dates
Lee Sang-won Special ExhibitionSeoul Arts Center, Hangaram Art Museum · 7 May to 19 Sept 2027
Danish Impressionism: Blue HoursSeoul Arts Center, Hangaram Art Museum · 10 Jul to 7 Nov 2027
14th Seoul Mediacity BiennaleMyeongdong · Seoul Museum of Art · 16 Aug to 14 Nov 2027Usual dates
Gyeongbokgung Night Viewing (autumn 2027 run)Gyeongbokgung and Gwanghwamun · Gyeongbokgung Palace · 1 Sept to 3 Oct 2027Usual dates
Seoul Light DDP AutumnDongdaemun · Dongdaemun Design Plaza (DDP) · 2 Sept to 12 Sept 2027Usual dates
Changdeokgung Moonlight Tour (autumn 2027 run)Jongno and Insadong · Changdeokgung Palace · 9 Sept to 16 Oct 2027Usual dates
Seoul Autumn FestaJongno and Insadong · Venues across Seoul · 17 Sept to 28 Nov 2027Usual dates
Seoul Biennale of Architecture and UrbanismGyeongbokgung and Gwanghwamun · Seoul (venues vary) · 24 Sept to 16 Nov 2027Usual dates

Planning a trip in September

The calendar above lists 89 events in September 2027, and it's updated every week. Where to stay in Seoul compares the main areas.

What is on in Seoul in September 2027?

There are 89 events listed for September 2027 (38 exhibitions, 18 performances, 16 activities and classes, 9 markets, 3 illuminations, 3 nightlife events and 2 festivals). The big dates are Frieze Seoul 2027 (1 Sept to 5 Sept 2027, dates to be confirmed), Seoul Light DDP Autumn (2 Sept to 12 Sept 2027, dates to be confirmed), Seoul International Fireworks Festival 2027 (4 Sept 2027, dates to be confirmed), Chuseok at the royal palaces (14 Sept to 17 Sept 2027, dates to be confirmed), Seoul Autumn Festa (17 Sept to 28 Nov 2027, dates to be confirmed) and World Design Congress Seoul 2027 (22 Sept to 25 Sept 2027). 76 have confirmed dates and 13 are annual events whose exact 2027 dates are still to be announced, shown with the usual window. Every listing links to the interactive map.

Which holiday events are on in Seoul in September 2027?

The holiday listing is Chuseok at the royal palaces (14 Sept to 17 Sept 2027, dates to be confirmed).

Are there fireworks in Seoul in September 2027?

One fireworks display is listed: Seoul International Fireworks Festival 2027 (4 Sept 2027, dates to be confirmed). Rain can postpone a display, so check the official page that morning.

What festivals are on in Seoul in September 2027?

The 2 festivals listed for September 2027 are Chuseok at the royal palaces (14 Sept to 17 Sept 2027, dates to be confirmed) and Seoul Autumn Festa (17 Sept to 28 Nov 2027, dates to be confirmed). Smaller local festivals are under Around the neighbourhoods, further down the page.

Are there free events in Seoul in September 2027?

Yes. 34 of the 89 events listed for September 2027 are free to attend, including A City's Boarding Log (23 Oct 2025 to 31 Aug 2028), Banpo Moonlight Rainbow Fountain (2027 season) (1 Apr to 31 Oct 2027, dates to be confirmed) and Chuseok at the royal palaces (14 Sept to 17 Sept 2027, dates to be confirmed).

Is September a good time to visit Seoul?

The heat eases, with an average high of 26°C. Seoul's big autumn programme starts, with the Autumn Festa, and Chuseok falls in the month in 2027.

How current is this list?

Dated events are checked against the organiser's own page, and finished events drop off the page on their own. Annual events further out carry their usual dates until the official ones are published.

Running an event? Add your event and it's checked within a day.