September 8 Holidays & Observances
3 holidays observed on September 8 in the 2026–2030 window.
Floating holidays on September 8
These observances only land on September 8 in certain years.
| Holiday | 2026 | 2027 | 2028 | 2029 | 2030 |
|---|---|---|---|---|---|
| National Grandparents Day | — | — | — | — | Sep 8 · Sun |
View all September holidays
See every observance across September in one monthly calendar.
September calendar →September 8 — quick answers
- How many holidays fall on September 8?
- In the 2026–2030 window, 3 holidays and observance fall on September 8: National Grandparents Day, International Literacy Day, World Physiotherapy Day.
- What is celebrated on September 8?
- September 8 is home to National Grandparents Day, International Literacy Day, World Physiotherapy Day. Each one has its own page with history and a live countdown.
- Are any September 8 holidays public holidays?
- None of the observances on September 8 are US federal holidays; they are celebrated informally by people, brands and communities.