There are at lest two artists called September:
1) Swedish singer Petra Linnea Paula Marklund aka September.
2)Yugoslav/Slovenian jazz rock band from the 70.
1) Petra Linnea Paula Marklund better known as September (born in Stockholm, Sweden on 12 September 1984) is a Swedish dance singer. Her mother is Slovenian and has a musical past and her Swedish father is a professor in space physics. She started recording music in studios at the age of 12. .
