Founded in 1942. From 1961 to 1975 called "Pirin miner". The players are mostly young boys from the age of 18 to 20, with the exception of goalkeeper Dimitar Atanasovski (former player Belasitsa Petrich). Coach was rescued Stoimenov and was assistant coach Radoslav Mitrevski (former player of CSKA Sofia and the Pirin Blagoevgrad).
As of 2011, Septemvri is officially affiliated[2] as a satellite to Levski Sofia.
On 15 March 2012, the team reached the 1/2 finals of the Bulgarian Cup for the first time in its history, eliminating Bulgarian powerhouse CSKA Sofia in the quarter-finals by a score of 2:1.[3] They lost in the next round against Ludogorets Razgrad by a score of 1:4.
Honours
Sixth place in the Western "B" group: 2010/11 and 2011 /12
Semifinalist in the National Cup tournament: this time its official name is the Cup of Bulgaria - 2011 /12