September is the ninth month of the year in the Gregorian calendar. It is a time of transition as summer turns into autumn. There are a variety of words that can be used as synonyms for the word "Septembers". These include fall, harvest, autumnal, equinox, and back to school. Fall refers to the season itself and the changing colors of the leaves. Harvest points to the time of year when crops are harvested in preparation for the winter months. Autumnal encompasses the entire season, including the cooler temperatures and shorter days. Equinox emphasizes the astronomical event that marks the beginning of fall. Back to school signifies the return to academic studies after the summer break.