Septemvri Municipality (Bulgarian: Община Септември) is a municipality in the Pazardzhik Province of Bulgaria.
Ethnic composition of Septemvri Municipality
At the 2011 census, the population of Septemvri was 25,794. Most of the inhabitants (76.5%) were Bulgarians, and there were significant minorities of Gypsies/Romani (10.25%) and Turks (3.26%).[1][2] 9.8% of the population's ethnicity was unknown.