The Football WA 2009 season was the 113th year of the football in Western Australia before the new banner of National Premier Leagues in 2014. The competition consisted of 12 teams, each playing a total of 22 games in the season with the premier team being Western Knights, marking their third premiership of the competition. The team to be relegated would be Canning City.[1]
| Football West State League 2009 | |
| League: | Football West Premier League |
| Sport: | Association football |
| Duration: | 2009 |
| No Of Teams: | 12 |
| Season: | Football West State League Season |
| Season Champs: | Perth |
| Season Champ Name: | Champions |
| League Champs: | Western Knights |
| League Champ Name: | Premiers |
| Season2: | Soccer Pools WA State Cup |
| Season Champs2: | Floreat Athena |
| Seasonslist: | List of Football West State League seasons |
| Seasonslistnames: | Football West State League |
| Prevseason Year: | 2008 |
| Nextseason Year: | 2010 |