[1] The season was held from 3 January and concluded on 3 August 2009.
[1] A total of 14 teams compete in the 2009 season which includes the top 12 teams that participated in the 2007–08 season and champions and runners-up of the 2007-08 Liga Premier.
Sarawak were relegated at the end of the 2009 Liga Super season after finishing in the bottom place of the league table.
DPMM was excluded from the competition as per FIFA rules after Football Association of Brunei Darussalam was deregistered by the Registrar of Societies.
[2] 2007-08 Liga Premier champions Kuala Muda Naza and runners-up PLUS secured direct promotion to the Liga Super.