September Fiesta 2019 - Piera from September 6 to September 11. Past days. Friday, September 6 Saturday, September 7 Sunday, September 8 Monday, September 9 Tuesday, September 10 Wednesday, September 11 You might be also interested in: September Fiesta 2019 - L'Amunt - 22 Kms. Fiesta of Sabadell 2019 - Sabadell - 42 Kms. September Fiesta 2019 - Castellar del Valles - 40 Kms. Fiesta of Solsona 2019 - Solsona (Lleida) - 61 Kms. Fiesta of Les Planes 2019 - Les Planes - 41 Kms.