The season featured 22 teams from the 2007–08 Azadegan League, two new teams relegated from the 2007–08 Persian Gulf Cup (Sanat Naft and Shirin Faraz) and four new teams promoted from the 2007–08 2nd Division (Aluminium Hormozgan as champions and Mehrkam Pars, Payam Mokhaberat and Petroshimi Tabriz).
The league started on 23 October 2008 and ended on 8 June 2009.
Steel Azin and Tractor Sazi won the Azadegan League title for the first time in their history.
Steel Azin, Tractor Sazi and Shahin Bushehr got promoted to the Persian Gulf Cup.
Updated to games played on 8 June 2009Source: iplstats.comNotes:Matches with spectator bans are not included in average attendancesSanat Naft and Shirin Faraz played last season in Persian Gulf CupAluminium Hormozgan, Mehrkam Pars, Payam Mokhaberat and Petroshimi Tabriz played last season in Iran 2nd Division Sanaye Arak changed their name into Aluminium Arak Notes:Updated to games played on 8 June 2009.