September 23rd Holidays: Celebrations and Observances Worldwide

September 23rd is a day filled with various holidays, celebrations, observances, and historical significance around the world. From international events to national holidays and religious commemorations and saints, this date holds special meaning for many cultures and communities. Explore the list of holidays, observances and saints celebrated on September 23rd.

Holidays on September 23rd

  • RC Saints - Feast day of Saint Adomnan of Iona, Saint Constantius, Saint Thecla.
  • French Republican Calendar - Safran (Saffron) Day, second day in the Month of VendTmiaire
  • Saudi Arabia - National Day (unification 1932)
  • Japanese Autumnal equinox Day (????/Sh?bun no hi)
  • Celebrate Bisexuality Day - September 23rd of every year is designated as Celebrate Bisexuality Day and celebrated by members of the bisexual community and their allies worldwide. Observed annually since 1999.
  • Also see September 23 (Eastern Orthodox liturgics)
  • In ancient Latvia, the second day of Mikeli
  • Astrology: Usually the first day of sun sign Libra in the tropical zodiac.
  • Traditional New Year's Day in Constantinople and Eastern Orthodox churches ? because of the birthday of August, not because of the equinox.

Observances on September 23rd

  • International Day of Sign Languages