In the tropical zodiac , the Sun meets Libra from September 23 to October 23 , and in the sidereal zodiac , it ends on November 15 . Under the tropical zodiac , the Sun enters Libra on the moment of autumnal equinox by definition on September 23 , leaving it on October 22 . Under the sidereal zodiac , it is currently there roughly around October 19 and November 16 .