What's On in Portugal

35 events across Portugal between 10 Sept 2026 and 26 Sept 2026, in Lisbon and Lisboa. The calendar leans towards Festivals, Community and Art & Culture. Every one of the 35 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

Tue, 11 Aug 2026 – Tue, 25 May 2027Free

Natura Mirabilis: art and nature in dialogue

Jardim Gulbenkian, Fundacao Calouste Gulbenkian, Av. de Berna 45, 1067-001 Lisboa, Lisbon

via Cartaz Cultural Lisboa · Checked 11 Aug 2026

Sourced

Tue, 11 Aug 2026 – Tue, 25 May 2027Free

Natura Mirabilis: art and nature in dialogue at the Gulbenkian Garden

Jardim Gulbenkian, Fundacao Calouste Gulbenkian, Av. de Berna 45A, Lisbon, Lisbon

via Cartaz Cultural Lisboa · Checked 10 Aug 2026

Sourced

Sat 29 Aug – Sun 27 SeptFree

Feira da Luz 2026, Carnide

Jardim da Luz / Jardim Teixeira Rebelo, Largo da Luz, 1600-498 Lisboa, Lisbon

via Cartaz Cultural Lisboa · Checked 29 Aug 2026

Sourced

Wed 9 Sept – Sun 13 SeptFree

Picadeiro Fest 2026

Teatro Municipal Sao Luiz, R. Antonio Maria Cardoso 38, 1200-027 Lisboa, Lisbon

Registration needed

via Cartaz Cultural Lisboa · Checked 9 Sept 2026

Sourced

Wed 9 Sept – Sun 13 SeptFree

Picadeiro Fest 2026 - eight free concerts at Teatro Sao Luiz

Teatro Municipal Sao Luiz - Largo do Picadeiro, Sala Bernardo Sassetti and Sala Mario Viegas, R. Antonio Maria Cardoso 38, 1200-027 Lisboa, Lisbon

Registration needed

via Cartaz Cultural Lisboa · Checked 5 Sept 2026

Sourced

Wed 9 Sept – Sun 13 SeptFree

Picadeiro Fest 2026 - oito concertos gratuitos no Teatro Sao Luiz

Teatro Municipal Sao Luiz, Largo do Picadeiro / R. Antonio Maria Cardoso 38, 1200-027 Lisboa, Lisbon

Registration needed

via Cartaz Cultural Lisboa · Checked 1 Sept 2026

Sourced

Thu 10 Sept, 17:30Free

Picadeiro Fest: DUOT with Strings feat. ZARM Quartet

Teatro São Luiz, Rua António Maria Cardoso 38, 1200-027 Lisboa, Lisbon

Registration needed

via Cartaz Cultural Lisboa · Checked 8 Sept 2026

Sourced

Thu 10 Sept – Sun 13 SeptFree

Corrente de Ar - 6.a edicao

Beato Innovation District, Rua da Manutencao 71, Lisboa, Lisbon

Registration needed

via Cartaz Cultural Lisboa · Checked 4 Sept 2026

Sourced

Fri 11 Sept, 17:30Free

Picadeiro Fest: treze + Gonçalo Marques Quarteto

Teatro São Luiz, Rua António Maria Cardoso 38, 1200-027 Lisboa, Lisbon

Registration needed

via Cartaz Cultural Lisboa · Checked 8 Sept 2026

Sourced

Fri 11 Sept – Sun 13 SeptFree

Festival Dancas ao Lu(mi)Ar

Jardim da Quinta das Conchas, Alameda das Linhas de Torres, Lisboa, Lisbon

via Cartaz Cultural Lisboa · Checked 9 Sept 2026

Sourced

Fri 11 Sept, 21:30Free

Bruna na Feira da Luz 2026

Jardim da Luz / Jardim Teixeira Rebelo, Largo da Luz, 1600-498 Lisboa, Lisbon

via Cartaz Cultural Lisboa · Checked 5 Sept 2026

Sourced

Sat 12 Sept, 10:00Free

Open House Arqueologia at the Roman Theatre - Saturday

Museu de Lisboa - Teatro Romano, Rua de São Mamede 3A, Lisboa, Lisbon

Registration needed

via Cartaz Cultural Lisboa / Museu de Lisboa · Checked 8 Sept 2026

Sourced

Sat 12 Sept – Sun 13 SeptFree

Open House Arqueologia - free guided visits

Museu de Lisboa - Teatro Romano, Rua de São Mamede 3A, Lisbon (plus 74 sites across the city and metropolitan area), Lisbon

Registration needed

via Cartaz Cultural Lisboa (details corroborated at museudelisboa.pt) · Checked 7 Sept 2026

Sourced

Sat 12 Sept – Sun 13 SeptFree

Open House Arqueologia 2026 - Museu de Lisboa, Teatro Romano

Museu de Lisboa - Teatro Romano, Rua de Sao Mamede 3A, Lisboa, Lisbon

Registration needed

via Cartaz Cultural Lisboa · Checked 4 Sept 2026

Sourced

Sat 12 Sept, 11:30Free

ESCUTADORES 2026 - stories and nature in the Lumiar gardens

Jardim da Quinta das Conchas (12 Sept) and Parque Botanico do Monteiro-Mor, Lumiar, Lisbon (13 Sept), Lisbon

Registration needed

via Cartaz Cultural Lisboa · Checked 6 Sept 2026

Sourced

Sat 12 Sept, 15:00Free

Cossoul 141st Anniversary

Cossoul, Rua Nova da Piedade 66, 1200-299 Lisboa, Lisbon

via Cartaz Cultural Lisboa · Checked 9 Sept 2026

Sourced

Sat 12 Sept, 17:30Free

Picadeiro Fest: Norberto Lobo solo + Rhizome

Teatro São Luiz, Rua António Maria Cardoso 38, 1200-027 Lisboa, Lisbon

Registration needed

via Cartaz Cultural Lisboa · Checked 8 Sept 2026

Sourced

Sat 12 Sept, 19:00Free

Festival Danças ao Lu(mi)Ar - Saturday

Parque da Quinta das Conchas, Alameda das Linhas de Torres, Lisboa, Lisbon

via Cartaz Cultural Lisboa · Checked 8 Sept 2026

Sourced

Sat 12 Sept, 21:00Free

Terrakota at Largo do Intendente (Festival TODOS)

Largo do Intendente Pina Manique, Lisboa, Lisbon

via Cartaz Cultural Lisboa · Checked 9 Sept 2026

Sourced

Sat 12 Sept, 21:00Free

Terrakota no Largo do Intendente

Largo do Intendente Pina Manique 45, Lisboa, Lisbon

via Cartaz Cultural Lisboa · Checked 8 Sept 2026

Sourced

Sun 13 Sept, 10:00Free

Open House Arqueologia at the Roman Theatre - Sunday

Museu de Lisboa - Teatro Romano, Rua de São Mamede 3A, Lisboa, Lisbon

Registration needed

via Cartaz Cultural Lisboa / Museu de Lisboa · Checked 8 Sept 2026

Sourced

Sun 13 Sept, 17:30Free

Picadeiro Fest: Ensemble of Other Living Beings

Teatro São Luiz, Rua António Maria Cardoso 38, 1200-027 Lisboa, Lisbon

Registration needed

via Cartaz Cultural Lisboa · Checked 8 Sept 2026

Sourced

Sun 13 Sept, 19:00Free

Festival Danças ao Lu(mi)Ar - Sunday

Parque da Quinta das Conchas, Alameda das Linhas de Torres, Lisboa, Lisbon

via Cartaz Cultural Lisboa · Checked 8 Sept 2026

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