What's On in Barcelona

60 events across Barcelona between 10 Sept 2026 and 27 Sept 2026. The calendar leans towards Festivals, Community and Art & Culture. Every one of the 60 has free entry. Curated listings are drawn from official city and venue agendas and were last re-checked on 9 Sept 2026.

Free around town

Free events we found in Barcelona from official city and venue listings. Tap an event for details. Booking happens on the organiser's own site.

Sourced

Fri 11 Sept, 00:00Free

Diada Nacional de Catalunya free concerts

Arc de Triomf and surrounding streets, Barcelona, Barcelona

via betevé (Barcelona city broadcaster) · Checked 4 Sept 2026

Sourced

Fri 11 Sept, 09:00Free

Diada open doors: Palau de la Generalitat and the national museums

Palau de la Generalitat, Palau Robert, Museu d'Història de Catalunya, Museu d'Arqueologia de Catalunya, Barcelona

Registration needed

via Catalunya Press · Checked 7 Sept 2026

Sourced

Fri 11 Sept, 11:00Free

Parlament de Catalunya open day for the Diada

Parlament de Catalunya, Parc de la Ciutadella, Barcelona, Barcelona

via Catalunya Press · Checked 6 Sept 2026

Sourced

Fri 11 Sept, 12:00Free

Diada 2026: Festa per la Llibertat at Passeig Lluis Companys

Passeig de Lluis Companys, Barcelona, Barcelona

via Catalunya Press · Checked 6 Sept 2026

Sourced

Fri 11 Sept, 19:00Free

Festa per la Llibertat 2026 — Diada night concerts with La Gossa Sorda

Passeig de Lluís Companys (by the Arc de Triomf), Barcelona, Barcelona

via betevé (Barcelona's public broadcaster) · Checked 9 Sept 2026

Sourced

Fri 11 Sept, 19:00Free

Festa per la Llibertat: La Gossa Sorda on the Diada

Passeig de Lluís Companys (Arc de Triomf), Barcelona, Barcelona

Registration needed

via betevé (Barcelona city broadcaster) · Checked 7 Sept 2026

Sourced

Sat 12 Sept, 00:00Free

Portes Obertes at La Escocesa

La Escocesa, Poblenou, Barcelona, Barcelona

via betevé (Barcelona city broadcaster) · Checked 4 Sept 2026

Sourced

Sun 13 Sept, 13:30Free

XXII Exposició d'Art del Poblenou — vernissage and concert

Casino Aliança del Poblenou, Sala Mariner, Rambla del Poblenou 42, 08005 Barcelona, Barcelona

via Casino Aliança del Poblenou — Festa Major del Poblenou 2026 programme · Checked 20 Aug 2026

Sourced

Mon 14 Sept, 18:00Free

Diada Sardanista — sardana workshop and live cobla

Casino Aliança del Poblenou, Rambla del Poblenou 42, 08005 Barcelona, Barcelona

Registration needed

via Casino Aliança del Poblenou — Festa Major del Poblenou 2026 programme · Checked 20 Aug 2026

Sourced

Wed 23 Sept – Sun 27 SeptFree

La Mercè 2026 - Barcelona's city festival

16 stages across 14 sites in all ten districts, Barcelona, Barcelona

via La Guia Go! Barcelona · Checked 4 Sept 2026

Sourced

Wed 23 Sept – Sun 27 SeptFree

La Mercè 2026: Música Mercè and BAM — 109 free concerts

16 stages across 14 locations citywide (Música Mercè, BAM, Acció Cultura Viva), Barcelona

via Time Out Barcelona · Checked 3 Sept 2026

Sourced

Wed 23 Sept – Sun 27 SeptFree

La Mercè 2026 — Barcelona's festa major

Across Barcelona — Plaça de Sant Jaume, Avinguda de la Catedral, Plaça de Catalunya, Moll de la Fusta, Rambla del Raval, Teatre Grec, Platja del Bogatell and more, Barcelona

via betevé (Barcelona public broadcaster, official programme) · Checked 1 Sept 2026

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