Respuesta :
Answer:
Autumnal equinox, two moments in the year when the Sun is exactly above the Equator and day and night are of equal length; also, either of the two points in the sky where the ecliptic (the Sun's annual pathway) and the celestial equator intersect.
Explanation:
Autumnal equinox because, right after September finishes autumn hits which is during the months of October, and November:)) hope I could help luv