Autumnal equinox (disambiguation)

Autumnal equinox or variation, may refer to:

Date and time
 The fall equinox, that is, one of two days in a year when daytime is as long as nighttime
 September equinox in the Northern hemisphere
 March equinox in the Southern hemisphere
 Autumnal Equinox Day (Japanese: 秋分の日, Shūbun no Hi), a public holiday in September in Japan

Other uses
 Autumn Equinox: Amethyst Deceivers, a 1998 record by Coil

See also
 Mid-Fall
 Equinox (disambiguation)
 Autumn (disambiguation)
 Winter solstice (disambiguation)
 Summer solstice (disambiguation)
 Vernal equinox (disambiguation)