The famous opening line of the popular Earth, Wind & Fire song has inspired social media users to post memes and gifs on Sept. 21 every year.

The song was released as a single and rose to No. 1 on the Billboard Hot Soul Songs chart and No. 8 on the Billboard Hot 100. "September" also reached No. 3 on the UK Singles Chart.

One thing's for sure: This month lends itself to plenty of funny September memes about the seasonal change. Even though summer ends and fall begins officially on September 22, most of us have ...

September comes then people go, ‘Hey it’s that guy from Green Day.’ Have fun, get a life at the same time,” joking that his next song would be, ‘Shut the fuck up when October comes.’” ...

The meme usually features a screenshot of former founder, leader and co-lead singer of the band, Maurice White, singing in the song's music video. Why was the 21st of September specifically chosen?

You can follow him on X @GabeHauari or email him at [email protected]. This article originally appeared on USA TODAY: '21st night of September' memes are back: What it means and why you'll see it ...