Public holidays in Slovenia — September 2025

No public holidays fall in Slovenia during September 2025.

Public holidays

No public holidays in Slovenia this month.

Other observances

• Mon, Sep 15
  Integration of Primorska into the Homeland priključitev Primorske k matični domovini Observance
• Mon, Sep 15
  Restoration of Primorska to the Motherland Day Observance
• Mon, Sep 22
  September Equinox Seasonal observance
• Mon, Sep 22
  Autumn Equinox Seasonal observance
• Tue, Sep 23
  Slovenian Sports Day dan slovenskega športa Observance