The mystery behind one of pop music’s most recognizable lyrics may finally be solved.
During a recent appearance on “The Tonight Show Starring Jimmy Fallon,” Questlove shared the emotional story behind September by Earth, Wind & Fire.
For decades, fans debated the meaning of the famous opening line, “Do you remember the 21st night of September?” Songwriters previously suggested the date carried no special significance. Questlove said the truth was much more personal.
“Maurice’s son was supposed to be born on Sept. 21, so technically, it was about the joy of him finding out that his son was going to be born,” Questlove said during the interview. “But he was born prematurely. But they still kept it the 21st day of September.”
The revelation adds a new layer to a song already woven into popular culture. Released in 1978, “September” became one of Earth, Wind & Fire’s signature hits. The song continues to appear in films, commercials and wedding playlists nearly five decades later.
A Song That Almost Didn’t Happen
Questlove noted that the track was not originally viewed as a major release.
“Sometimes the people have to decide what the signature song is,” he said. “Earth, Wind & Fire had so many iconic songs. ‘September’ was just a throwaway song on a greatest hits record.”
The song appeared on “The Best of Earth, Wind & Fire, Vol. 1.” It later topped R&B charts and became one of the band’s most enduring recordings. In 2018, the Library of Congress added the song to the National Recording Registry for its cultural significance.
The story also sheds light on the late Maurice White, who founded the band in Chicago in 1969. White died in 2016, but his influence remains central to modern soul and funk music.
Songwriter Allee Willis long maintained the date was selected simply because it sounded good in the lyrics. However, she later learned the real inspiration from White’s widow, Marilyn White. According to previous interviews, Marilyn White told Willis that doctors originally predicted their son would arrive Sept. 21, 1978.
When Maurice White later played the completed track at home, Marilyn recognized the hidden message immediately.
“My whole body smiled,” she recalled in a past interview. “It was like a secret message between us and our son.”
Documentary Brings New Attention
Questlove has spent recent years exploring music history through filmmaking. The Oscar-winning director is now preparing a new documentary focused on Earth, Wind & Fire’s legacy.
The film, titled “Earth, Wind & Fire (To Be Celestial vs. That’s the Weight of the World),” is expected to premiere this summer. The documentary includes archival footage, interviews and behind-the-scenes stories about the legendary group.
Questlove described the project as deeply meaningful. He said the band remains “one of the most culturally significant bands in history.”
For many listeners, the story behind “September” may change how they hear the song. What once sounded like a carefree disco anthem now carries the warmth of a father celebrating new life.
And after all these years, the 21st night of September finally has an answer.

