Trade Sunday 20.09.2026: shops opened on 20 September or prohibited trade. Is present a commercial Sunday?

Zdjęcie: Niedziela handlowa 20.09.2026: sklepy otwarte 20 września czy obowiązuje zakaz handlu. Czy dzisiaj jest niedziela handlowa?

Will we store in Ladybug, Lidl, Auchan or Carrefour on 20 September 2026? Many people wonder if 20 September is simply a commercial Sunday and which shops will be open that day. Before planning larger purchases, it is worth checking the current calendar of commercial Sundays, as existing regulations may be confusing. We're checking where we're going to store on September 20th and erstwhile it's next business Sunday.