What holiday is on September 15?

Tuesday, September 15, 2026: Independence Day, Birth of Bocage, Day of Our Lady of Sorrows and 8 more. It's a public holiday in 6 countries.

Independence Day

• 🇨🇷 Costa Rica Public holiday
• 🇸🇻 El Salvador Public holiday
• 🇬🇹 Guatemala Public holiday
• 🇭🇳 Honduras Public holiday
• 🇳🇮 Nicaragua Public holiday

Birth of Bocage

• 🇵🇹 Portugal Regional holiday

Day of Our Lady of Sorrows

• 🇸🇰 Slovakia Observance

Day of Our Lady of the Seven Sorrows

• 🇸🇰 Slovakia Observance

Feast of Our Lady of Bien Aparecida

• 🇪🇸 Spain Public holiday

First Day of National Hispanic Heritage Month

• 🇺🇸 United States Observance

Integration of Primorska into the Homeland

• 🇸🇮 Slovenia Observance

International Day of Democracy

• 🇺🇸 United States Observance

Nuestra Señora de la Bien Aparecida

• 🇪🇸 Spain Regional holiday

Restoration of Primorska to the Motherland Day

• 🇸🇮 Slovenia Observance

Shout of Dolores

• 🇲🇽 Mexico Observance