Aster and Morning Glory are linked to September, since they flower profusely in late summer and early fall, which coincides with the transition of the month. Many flowers are starting to lose their color as they are replaced with colorful ones. Traditionally, birth flowers were selected by their natural flowering times and symbolism. Their wisdom and love are perfect for Aster while their affection and renewal are great for Morning Glory, making them ideal September born representatives. know more about september birth flower