This month in Barcelona

55 events across Barcelona between 10 Sept 2026 and 27 Sept 2026. The calendar leans towards Festivals, Community and Art & Culture. Every one of the 55 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 from official city and venue listings that match your search. 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

Sourced

Wed 23 Sept – Sun 27 SeptFree

La Mercè 2026: free concerts at BAM and Música Mercè

14 stages including Plaça de Catalunya, Moll de la Fusta, Rambla del Raval, Avinguda de la Catedral, Parc de la Ciutadella, Platja del Bogatell and Plaça Major de Nou Barris, Barcelona

Registration needed

via Time Out Catalunya (line-up corroborated by betevé) · Checked 28 Aug 2026

Sourced

Wed 23 Sept, 19:00Free

La Mercè 2026: BAM opening night at Plaça de Catalunya

Plaça de Catalunya, Barcelona, Barcelona

via El Nacional (line-up cross-checked on betevé) · Checked 8 Sept 2026

Sourced

Wed 23 Sept – Sun 27 SeptFree

BAM Barcelona at Plaça de Catalunya and Moll de la Fusta

Plaça de Catalunya and Moll de la Fusta, Barcelona, Barcelona

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

Sourced

Wed 23 Sept, 19:00Free

BAM opening night at Placa de Catalunya - Sona9 winners, Via Ferreira, Brama, Imarhan

Placa de Catalunya, Barcelona, Barcelona

via beteve (Barcelona municipal public broadcaster) · Checked 29 Aug 2026

Sourced

Wed 23 Sept, 19:00Free

BAM (Barcelona Acció Musical) – Opening Night at Plaça de Catalunya

Plaça de Catalunya, Barcelona, Barcelona

via Time Out Barcelona · Checked 25 Aug 2026

Sourced

Wed 23 Sept, 19:30Free

Sessió dels artistes Ciutat at Casa Cupra Raval

Casa Cupra Raval, Barcelona, Barcelona

Registration needed

via betevé (Barcelona public broadcaster) · Checked 5 Sept 2026

Sourced

Wed 23 Sept, 21:00Free

La Mercè: Shanghai jazz at Jardins del Doctor Pla i Armengol

Jardins del Doctor Pla i Armengol, Horta-Guinardó, Barcelona

via betevé · Checked 27 Aug 2026

Sourced

Wed 23 Sept – Fri 25 SeptFree

La Mercè 2026 — free concerts (Plaça de Catalunya, Avinguda de la Catedral and more)

Plaça de Catalunya, Avinguda de la Catedral and other outdoor stages, Barcelona, Barcelona

Registration needed

via El Nacional — La Mercè 2026 official programme coverage · Checked 26 Aug 2026

Sourced

Wed 23 Sept, 21:30Free

La Mercè 2026: Pol Batlle and Luísa Sobral at the Teatre Grec

Teatre Grec, Passeig Santa Madrona 36, Montjuïc, Barcelona, Barcelona

via betevé · Checked 8 Sept 2026

Sourced

Wed 23 Sept, 22:00Free

La Mercè 2026: Sabor de Gràcia and Arp Frique at Avinguda de la Catedral

Avinguda de la Catedral, Barri Gòtic, Barcelona, Barcelona

via betevé · Checked 8 Sept 2026

Sourced

Wed 23 Sept, 22:30Free

La Mercè: BAM opening night at Plaça de Catalunya

Plaça de Catalunya, Barcelona

via betevé · Checked 27 Aug 2026

Sourced

Thu 24 Sept, 10:00Free

La Mercè 2026: Jornada de Portes Obertes at ~50 museums

Around 50 museums and civic buildings citywide — MACBA, MNAC, Museu Picasso, MUHBA, Fundació Joan Miró, Museu Marítim, Barcelona

via 3Cat · Checked 3 Sept 2026

Showing the first 24 of 55 matching free events.

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