"September Song" is a song by English singer JP Cooper. It is the second single from his debut studio album, Raised Under Grey Skies (2017). The song was released as a digital download in the United Kingdom on 16 September 2016 through Island Records. The song has peaked at number 7 on the UK Singles Chart, and has also reached the top 10 in both Ireland and Sweden. The song was written by Cooper, Jon Hume, Alex Bunker and Mr Hudson.

Raised Under Grey Skies is the debut album from English singer and songwriter JP Cooper. It was released on 6 October 2017 by Island Records.