La Mercè
Summary: Barcelona’s biggest annual festival, honoring Our Lady of Mercy. Multi-day street programming: theater, music, parades, light shows. In 2026 the festival is likely September 22–27 per Rick Steves’ calendar; verify on the official site before booking.
Sources: Upcoming Holidays and Festivals in Spain.md
Last updated: 2026-05-13
When
“September 22–27 (likely): La Mercè, Barcelona (street theater, music, parades, light shows)” (source: Upcoming Holidays and Festivals in Spain.md).
The “likely” qualifier is the source’s own — these dates shift year to year around September 24 (the feast day). The official site referenced by the source is barcelona.cat/lamerce/en.
What it’s like (per the source)
Street theater, music, parades, and light shows across the city. Expect closures, crowds, and packed accommodation around the festival.
Planning notes
- Combines with Catalunya National Day on Sept 11 to make September a high-impact month in Barcelona. See catalan-culture for the National Day context.
- The week before, Festes de Santa Tecla in Sitges (Sept 22–23, 2026) runs alongside (source: same) — see day-trips-from-barcelona.