Jazz and kids' picks are thin this weekend, so this edition leans on free food events and a few family museum days. Lisbon city only has one confirmed jazz night; a second sits across the Tagus in Seixal.
01Cordoaria Nacional · Oct 9Free Brazilian food and chocolate festival runs all three days in Belém
Brasil Origem Week shares the Chocolat Festival site at the Cordoaria Nacional, Rua da Junqueira, Belém. Time Out lists free entry, with Friday 14:00–20:00 and Saturday and Sunday 10:00–20:00. It promises tastings from Brazilian producers, workshops and talks on sustainability and fair trade.
Ages are not stated and no children's programme is listed, so check on arrival whether the workshops suit kids. Tastings and workshops may cost extra; no prices were published in what we found. This is a third-party listing (Time Out and SAPO); we did not find the organiser's own page.
Plan: free entry, so go Saturday or Sunday morning for shorter queues; check workshop prices on site.
02The Midnight Espresso · Oct 10Ali Jackson plays two Saturday sets at Chiado's Midnight Espresso
The Midnight Espresso, a jazz club in Chiado, lists Ali Jackson in its Jazz Legends series on Saturday Oct 10, with sets at 19:00 and 21:30. Tickets are €18 on the club's own event page, and the listing is for ages 18+.
This is the only live jazz night we could confirm inside Lisbon proper for the window. Check the page for booking fees and any food or drink minimum, which we did not verify.
Plan: book the 19:00 set early; adults only (18+), so not a family pick.
03Auditório do Fórum Cultural do Seixal · Oct 10SeixalJazz brings a Luís Vicente quintet with Tony Malaby, across the Tagus
Seixal is outside Lisbon city, so treat this as a trip rather than a local night. The municipality lists a quintet led by trumpeter Luís Vicente, with Tony Malaby on sax, Leo Genovese on piano, Gonçalo Almeida on bass and Onno Govaert on drums, on Saturday Oct 10 at 22:00.
Single ticket €12, with a 25% discount for under-25s, retirees and Seixal council workers. Audience is listed as general. Tickets are on BOL or at the municipal library desk. The description of the group as one of the most dynamic forces in Portuguese jazz is the organiser's own wording.
Plan: buy via BOL ahead; allow travel time from Lisbon and check the last transport home after a 22:00 start.
04Museu da Água · Oct 11Museu da Água is free on Sunday, with steam engines for small kids
The Barbadinhos steam pumping station museum (Rua do Alviela 12) is listed open Sunday Oct 11, 10:00–18:00, free. Portugal With Kids says children can see large steam machines, old water meters and interactive displays.
No specific age range is given, and the listing is a third-party agenda rather than the museum's own page. Opening hours should be confirmed with the museum (+351 218 100 215 per the listing).
Plan: free Sunday entry, good wet-weather option for ages 4–8; confirm hours by phone first.
05Museu Calouste Gulbenkian · Oct 11Gulbenkian Museum opens free on Sunday afternoon
The Gulbenkian Museum lists free entry on Sunday Oct 11 from 14:00, with the listing giving 14:00–18:00. Portugal With Kids files it as a family option; no age range or child-specific programme was stated.
This comes from a third-party listing, not the Gulbenkian's own page. Special exhibitions may cost extra; not confirmed.
Plan: arrive close to 14:00 for the free slot; check the Gulbenkian site for exhibition charges.
06Museu das Comunicações · Oct 10Museu das Comunicações turns Saturday into a clue hunt for families
On Saturdays in October, including Oct 10, 14:00–17:00, families get a map of clues, codes and puzzles to work through the collections at Rua do Instituto Industrial 16. The listing says it is designed for children aged 6 to 12, so it suits the upper end of your 4–8 range.
Entry is the museum admission ticket; the price was not stated. This is a third-party listing (Cartaz Cultural Lisboa), which points to the museum's own page for tickets.
Plan: best for ages 6+; younger children would need a parent to lead. Confirm admission price on the museum page.
07Jardim do Príncipe Real · Oct 10Príncipe Real's organic market runs every Saturday morning
Visit Lisboa lists a weekly organic produce market at Jardim do Príncipe Real, Saturdays 7:00–14:00, with producers from across Portugal. Entry is free.
The same page lists the antiques and crafts fair only on the last Saturday of the month and the gourmet market on the first Friday and Saturday, so neither falls on Oct 9–10. The page covers all of 2026 and is not a dated notice for this weekend, so check for weather or schedule changes.
Plan: go before noon for the best produce; bring cash and bags.
08Mercado do Forno do Tijolo · Oct 10Feira Rabisco lists a Saturday market date at Forno do Tijolo
The ma.to listing shows Feira Rabisco on Saturday Oct 10 at Mercado do Forno do Tijolo. The page gave no opening times or entry price, so times are to be confirmed.
This is a third-party ticketing listing; confirm details with the organiser before you go.
Plan: check the organiser for opening times before making the trip; price not published.
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