| Date | Weekday | Event | Country | Type |
|---|---|---|---|---|
| 15 Sep | Monday | Independence Day | Public | |
| 15 Sep | Monday | Respect for the Aged Day | Japan More... | Public |
| 15 Sep | Monday | Cry of Dolores | Mexico More... | Not public |
| 15 Sep | Monday | Return of Primorska to the Motherland | Slovenia More... | Not public |
| 15 Sep | Monday | Our Lady of Sorrows | Slovakia More... | Public |
| 15 Sep | Monday | Silpa Bhirasri Day | Thailand More... | Not public |