"September Song" is an American pop standard, originally performed in Knickerbocker Holiday (1938).
September Song may also refer to:
September Song (album), a 1963 album by Jimmy Durante "September Song" (JP Cooper song), 2016 September Song (TV series), a British television comedy-drama "September Song" (Three's a Crowd), a 1985 television episode
See also September Songs – The Music of Kurt Weill, a 1994 documentary September (disambiguation)#Songs and compositions, multiple songs with this title