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Barcelona Events in September 2026: La Mercè, BAM & Terra i Gust

By Barcelona ArtWalk · Updated 2026-09-21 · Barcelona · Events · La Mercè · September 2026

As of 21 September 2026 the Barcelona ArtWalk app tracks 379 live events and 671 galleries and exhibitions across the city — and this is the year's busiest stretch. La Mercè, Barcelona's own five-day festival, opens Wednesday; a sustainable-food fair, a neighborhood festa and a fresh wave of art fairs fill the three weeks around it. Here's what's worth planning around before mid-October.

La Mercè 2026: five days of free festival (23–27 September)

Barcelona's patron-saint festival runs Wednesday to Sunday, with Thursday 24 September — the feast day of Mare de Déu de la Mercè — as the main event: castellers building human towers and the Cavalcada parade of giants fill Plaça de Sant Jaume, followed after dark by a correfoc fire-run down Passeig de Gràcia. The festival closes Sunday with a drone light show and the Piromusical fireworks display over the beach at Espigó del Gas. Nearly all of it, including BAM's concert program, is free.

Official 2026 graphic for La Mercè, Barcelona's patron saint festival
La Mercè 2026, 23–27 September — human towers, giants and fireworks citywide. Photo: Ajuntament de Barcelona

BAM and Terra i Gust: the free soundtrack and food hall

BAM — Barcelona Acció Musical — runs the same five days as La Mercè's official concert program, with free shows across Parc del Fòrum, Moll de la Fusta and neighborhood squares citywide. A short walk away in Parc de la Ciutadella, the sustainable-food fair Terra i Gust (25–27 September) gathers 14 local restaurants for dishes from €5 and drinks from €2.50; entry to the fair itself is free.

Terra i Gust sustainable food festival in Parc de la Ciutadella, Barcelona
Terra i Gust returns to Parc de la Ciutadella, 25–27 September — dishes from €5. Photo: Ajuntament de Barcelona

This week's neighborhood festa: Festa Major dels Indians (19–27 September)

While the whole city looks toward La Mercè, Sant Andreu keeps its own tradition running: the Festa Major dels Indians fills the Congrés i els Indians neighborhood with a festival speech, traditional Esbart Maragall dances and a correfoc at Plaça del Rom Cremat, free and open to all through 27 September.

Galleries this week: a new show and a free walking route

  • Joan Claret. Anys 60 — a new solo show opens 22 September at Galeria Marc Domènech; free entry.
  • ARCO GalleryWalks — free self-guided routes through five gallery clusters (Sant Antoni–Ciutat Vella, Eixample, Mallorca–Passatge Mercader, Trafalgar and Gran Via–Trafalgar), Saturday 26 September. The gallery-by-gallery list from Barcelona Gallery Weekend is in our late-August roundup.

Looking ahead: Festival u22, Swab and Palo Market Fest

  • Festival u22 — Fundació Joan Miró's young-filmmakers festival, 27 September–4 October; passes from €10 for the official short-film selection, €35 for a full week pass (€22 for under-22s).
  • Swab Barcelona Art Fair — the city's international contemporary-art fair, at the Palacio Victoria Eugenia, 8–11 October; tickets €15–35, free for under-16s on the fair's final three days.
  • Palo Market Fest — design, fashion and street food in Poblenou, 3–4 October; €6.50, free for children under 12.
Palo Market Fest design and street food market in Poblenou, Barcelona
Palo Market Fest, Poblenou — 3–4 October, €6.50. Photo: Palo Market Fest

Street art keeps its own calendar through festival season — Poblenou's factory murals and the legal walls at Jardins de les Tres Xemeneies turn over most weekends, independent of any of the above. Our street art guide has the self-guided route.

All of it is live in Barcelona ArtWalk: the daily What's On feed, 671 galleries and exhibitions, 200+ murals and AI walking tours. Free on iOS and Android.

Tip: The What's On feed in the free Barcelona ArtWalk app tracks every date on this page — La Mercè's stages, Terra i Gust's food tents and the Swab art fair — updated daily.

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