September Anniversary Calendar
172 anniversaries
September
Autumn
Days in 2026
30 days
Anniversaries
172
Top 3 Busiest Days
Anniversaries by Category
September 1 8
September 2 2
September 3 3
September 4 2
September 5 7
September 6 15
September 7 5
September 8 5
September 9 9
September 10 8
September 11 5
September 12 6
September 13 4
September 14 4
September 15 5
September 16 6
September 17 6
September 18 6
September 19 6
September 20 5
September 21 7
September 22 5
September 23 6
September 24 6
September 25 6
September 26 6
September 27 4
September 28 5
September 29 5
September 30 6
2026 Public Holidays in September
- September 15 (Tue) — Respect-for-the-Aged Day (Keiro no Hi)
- September 21 (Mon) — 敬老の日
- September 23 (Wed) — Autumnal Equinox Day (Shubun no Hi)
Frequently Asked Questions About September Anniversaries
- What anniversaries are on the September calendar?
- The September anniversary calendar includes Disaster Prevention Day, Takarazuka Revue Day — The Birth of 'Mon Paris', Kiwi Day (Kiui no Hi), Yerba Mate Day — A Taste of South America, Kui no Hi — Foundation Pile Day and 172 anniversaries in total.
- How many anniversaries are in September?
- 172 anniversaries are registered for September, viewable in a day-by-day calendar.
- Which day in September has the most anniversaries?
- September 6 has the most anniversaries, with 15 registered, including "Kyoro-chan Day (Morinaga Chocolate Ball Day)".
- What is the most common anniversary category in September?
- The "Historical Anniversaries" category has the most anniversaries in September, with 37 registered.