Autumnal equinox or variations, may refer to:

• September equinox, the autumnal equinox in the Northern Hemisphere
• March equinox, the autumnal equinox in the Southern Hemisphere

• Autumnal Equinox Day (Japanese: 秋分の日, Shūbun no Hi), a public holiday in September in Japan
• Autumn Equinox: Amethyst Deceivers, a 1998 record by Coil
• "An Autumnal Equinox", a song from The Caretaker's 2016 album Everywhere at the End of Time - Stage 1

• All pages with titles containing Autumn equinox
• All pages with titles containing Autumnal equinox
• Equinox (disambiguation)
• Autumn (disambiguation)
• Winter solstice (disambiguation)
• Summer solstice (disambiguation)
• Spring equinox (disambiguation)

This disambiguation page lists articles associated with the title Autumnal equinox.
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