Petra Linnea Paula Marklund, known professionally as September, emerged as one of Sweden's most successful dance-pop exports in the mid-2000s. Born in Stockholm on September 12, 1984, she adopted her stage name from her birth month, crafting a vibrant career defined by euphoric melodies and club-ready beats that found significant international acclaim, particularly with her breakthrough single "Satellites."

Her journey into music began early, with Marklund performing in local talent shows and choirs as a child. She signed her first record deal in her teens, initially exploring a more acoustic pop sound before fully embracing the energetic electronica that would become her signature. This pivotal shift came with her collaboration with producer Jonas von der Burg, leading to the release of her debut album, "September," in 2004. While this initial project garnered attention in Scandinavia, it was her sophomore international release, "In Orbit," that launched her to wider fame.

The catalyst for her global recognition was the irresistible single "Satellites," released in 2006. The track became a massive dancefloor hit across Europe, climbing charts and establishing September as a formidable name in the genre. This success was solidified by follow-up singles like "Cry for You," which became her biggest hit, reaching the top ten in multiple countries including the United Kingdom and achieving platinum sales. Her music was characterized by its optimistic energy and Marklund's distinct, powerful vocals, leading to further successful albums like "Dancing Shoes" (2007) and "Love CPR" (2011).

Throughout her career, September earned several prestigious awards in her home country, including Swedish Grammis awards, and saw her music licensed for numerous compilations, TV shows, and video games, expanding her reach. While she maintained a strong presence in the European dance scene, she also demonstrated artistic growth, with later albums incorporating deeper lyrical themes alongside her signature sound. After a period of reduced activity, she made a celebrated return to the stage, performing at major Pride events and festivals, reminding audiences of her enduring catalog of anthems. September's legacy remains firmly rooted in that distinctive mid-2000s dance-pop era, with her hits like "Cry for You" and "Satellites" continuing to resonate as timeless tracks in the electronica genre.