# Things to do

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September is one of the best months to experience Barcelona. The scorching summer heat softens into warm beach weather, tourist crowds drop significantly, and the city hosts its biggest festivals of the entire year.  Here is a chronological diary layout of key things to do throughout the month:Early September: Neighborhood Warm-UpSept 1–5 | Peak Sea Swimming & BarcelonetaDaytime: Take advantage of 75°F (24°C) water temperatures before autumn sets in. Head to Barceloneta or Nova Icaria Beach.  Evening: Grab fresh seafood paella or tapas at a beachfront chiringuito (beach bar).Sept 6–10 | Festa Major de PoblenouEvent: Explore the hip Poblenou neighborhood during its local street festival.Activities: Outdoor cinema, open-air concerts, neighborhood block parties, and early-evening correfocs (fire runs) along Rambla del Poblenou.  Mid-September: Wine Harvest & National DaySept 11 | La Diada (Catalan National Day)Morning: Take advantage of open-door museum days. Parliament de Catalunya opens its doors to the public for free only on this day.  Afternoon: Witness massive, peaceful cultural and political parades along major avenues like Passeig de Gràcia and Avenida Diagonal. (Note: Many shops close for the public holiday).  Sept 12–15 | Penedès Grape Harvest (Verema)Day Trip: Take a 40-minute train ride out to the Penedès wine region. September is peak grape harvest season—book a vineyard tour, stomp grapes, and taste fresh local Cava.  Sept 16–20 | Sunset Sailing & Rooftop MagicSunset: Rent a spot on a sailing yacht leaving from Port Olímpic for a Golden Hour view of the Barcelona skyline.Night: Attend a Magic Nights live music performance on the dragon-roof terrace of Gaudí’s Casa Batlló.  Late September: La Mercè & Cultural FinaleSept 21–23 | BAM (Barcelona Acció Musical) FestivalNightlife: Catch free outdoor concerts around Plaça Reial, Moll de la Fusta, and Rambla del Raval featuring independent, indie, rock, and electronic acts.Sept 24 | Festa de La Mercè (Main Festival Day)Morning: Head to Plaça Sant Jaume to witness the jaw-dropping Castellers (human towers stacking up to 10 stories high).  Afternoon: Museum-hop for free—nearly every major museum in Barcelona offers free entry on Sept 24th (including Picasso Museum, MNAC, and MACBA).  Evening: Watch the parade of Gegants i Capgrossos (giant papier-mâché figures) dancing through the Gothic Quarter.  Sept 25–26 | Correfoc (The Fire Run)Night: Dress in long sleeves, a hat, and protective eyewear to participate in the Correfoc near Via Laietana. Locals dressed as devils dance through the streets launching hand-held fireworks.  Sept 27–30 | Sunset at Bunkers del Carmel & Gothic StrollsAfternoon: Beat the summer crowds at iconic Gaudí sights like Park Güell and Sagrada Família.  Dusk: Hike up to the Bunkers del Carmel for a 360-degree panoramic view of the sun setting over the city.