September 8 Holidays, events and History 2021.
| Date | Day | Holiday Name | Holiday Type | Country |
| 8 Sep | Wednesday | Kosrae Liberation Day | Local holiday | Micronesia |
| 8 Sep | Wednesday | National Day | National holiday | Andorra |
| 8 Sep | Wednesday | Nativity of Our Lady | National holiday | Liechtenstein |
| 8 Sep | Wednesday | The Feast of Our Lady of Victories | National holiday | Malta |
| 8 Sep | Wednesday | Independence Day | National holiday | North Macedonia |
| 8 Sep | Wednesday | Virgin of the Plains | Provincial Holiday | Spain |
| 8 Sep | Wednesday | Day of Asturias | Autonomous Community Holiday | Spain |
| 8 Sep | Wednesday | Day of Extremadura | Autonomous Community Holiday | Spain |
| 8 Sep | Wednesday | Virgin of the Victory | Autonomous Community Holiday | Spain |
| 8 Sep | Wednesday | Rosh Hashana (Day 2) | National holiday, Hebrew | Israel |