This is our day guide for Tuesday September 15th 2026 which shows you at a glance what's happening on this day around the world. Using the calendar on this page, you can look at a day guide for any day. Why not look up your birthday to see which holidays you share it with?
Holidays on September 15th 2026
Costa Rica: Independence Day
Local celebrations, national pride and a spirit of community mark Costa Rica’s Independence Day. One of the year’s most important holidays, Costa Rica celebrates its freedom from colonial Spain with peaceful festivities and historic traditions.
El Salvador: Independence Day
Celebrates independence from Spain, achieved in 1821
Guatemala: Independence Day
Commemorates independence of the Central American provinces from Spanish rule in 1821
Honduras: Independence Day
Commemorates the independence of the Central American provinces from Spanish rule in 1821Regional
India (regional): Ganesh Chaturthi Holiday
Goa observes a second public holiday for Ganesha Chaturthi; the day when all Hindus celebrate Lord GaneshRegional
India (regional): Samvatsari
The last day of Paryushana, the most important holy event of the year for Jains.Regional
India (regional): Nuakhai
Nuakhai is an agricultural festival observed by people of western Odisha to welcome the new rice of the season
Nicaragua: Independence Day
Commemorates independence of the Central American provinces from Spanish rule in 1821
Slovakia: Day of Our Lady of Sorrows
In 1727, Pope Benedict XIII declared Our Lady of Sorrows to be respected by the Church and its members as a Patron of Slovakia and later in 1966 was declared by Pope Paul VI as the main Patron.
Zimbabwe: Munhumutapa Day
Honours the pre-colonial ruler Munhumutapa and President Mnangagwa's vision of national development.September 14th 2026 | Go to Today | September 16th 2026
| Choose a Day |
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| General Information for September 15th 2026 | |
|---|---|
| There are 10 public holidays today. | |
| Day 258 of 2026 | |
| 107 days left in 2026 | |
| Week 38 of the year | |
| On this Day in History | |
| 2008 - Lehman Brothers files for Chapter 11 bankruptcy, the largest bankruptcy filing in U.S. history. | |
| 1983 - Israeli premier Menachem Begin resigns. | |
| 1935 - Nazi Germany adopts a new national flag with the swastika. | |
| 921 - At Tetin, Saint Ludmila is murdered at the command of her daughter-in-law. |
Office Holidays provides calendars with dates and information on public holidays and bank holidays in key countries around the world.
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