| Season | 2009 |
|---|---|
| Champions | Corinthians (26th title) |
| Relegated | Guaratinguetá Marília Guarani Noroeste |
| Copa do Brasil | Corinthians Santos |
| Goals scored | 580 |
| Top goalscorer | Pedrão (16) |
← 2008 2010 → | |
The 2009 Campeonato Paulista de Futebol Profissional da Primeira Divisão - Série A1 was the 108th season of São Paulo's top-flight professional football league. The season began on January 21 and ended on May 3. Corinthians were crowned the league champion after going through the competition undefeated. Grêmio Barueri was the top scorer with 16 goals.
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification or relegation |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Palmeiras | 19 | 13 | 5 | 1 | 38 | 17 | +21 | 44 | Advances to Semifinals |
| 2 | São Paulo | 19 | 12 | 4 | 3 | 33 | 17 | +16 | 40 | |
| 3 | Corinthians | 19 | 10 | 9 | 0 | 33 | 15 | +18 | 39 | |
| 4 | Santos | 19 | 11 | 4 | 4 | 28 | 17 | +11 | 37 | |
| 5 | Portuguesa | 19 | 11 | 4 | 4 | 27 | 17 | +10 | 37 | |
| 6 | Santo André | 19 | 10 | 3 | 6 | 31 | 20 | +11 | 33 | Qualification for Interior Championship of São Paulo |
| 7 | Mirassol | 19 | 7 | 7 | 5 | 34 | 32 | +2 | 28 | |
| 8 | Grêmio Barueri | 19 | 7 | 6 | 6 | 29 | 27 | +2 | 27 | |
| 9 | Ponte Preta | 19 | 6 | 6 | 7 | 31 | 31 | 0 | 24 | |
| 10 | Bragantino | 19 | 6 | 5 | 8 | 34 | 30 | +4 | 23 | |
| 11 | São Caetano | 19 | 6 | 4 | 9 | 24 | 30 | −6 | 22 | |
| 12 | Paulista | 19 | 5 | 5 | 9 | 26 | 28 | −2 | 20 | |
| 13 | Ituano | 19 | 5 | 5 | 9 | 20 | 30 | −10 | 20 | |
| 14 | Oeste | 19 | 4 | 8 | 7 | 22 | 27 | −5 | 20 | |
| 15 | Botafogo-SP | 19 | 5 | 4 | 10 | 27 | 35 | −8 | 19 | |
| 16 | Mogi Mirim | 19 | 5 | 4 | 10 | 22 | 36 | −14 | 19 | |
| 17 | Guaratinguetá | 19 | 4 | 7 | 8 | 28 | 33 | −5 | 19 | Relegation to Campeonato Paulista Série A2 |
| 18 | Marília | 19 | 4 | 6 | 9 | 26 | 39 | −13 | 18 | |
| 19 | Guarani | 19 | 3 | 5 | 11 | 12 | 27 | −15 | 14 | |
| 20 | Noroeste | 19 | 3 | 5 | 11 | 18 | 35 | −17 | 14 |
| Semi-finals | Finals | ||||||||||||
| 1 | Palmeiras | 1 | 1 | 2 | |||||||||
| 4 | Santos | 2 | 2 | 4 | |||||||||
| 4 | Santos | 1 | 1 | 2 | |||||||||
| 3 | Corinthians | 3 | 1 | 4 | |||||||||
| 2 | São Paulo | 1 | 0 | 1 | |||||||||
| 3 | Corinthians | 2 | 2 | 4 | |||||||||
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
Santos 
|
4–2 | Palmeiras
|
2–1 | 2–1 |
| Corinthians
|
4–1 | São Paulo
|
2–1 | 2–0 |
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
| Santos
|
2–4 | Corinthians
|
1–3 | 1–1 |
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
| Grêmio Barueri
|
7–6 | Mirassol
|
2–3 | 5–3 |
| Ponte Preta
|
4–3 | Santo André
|
3–2 | 1–1 |
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
| Ponte Preta
|
3–1 | Grêmio Barueri
|
2–0 | 1–1 |
| Rank | Player | Team | Goals |
|---|---|---|---|
| 1 | Pedrão
|
Grêmio Barueri | 16 |
| 2 | Keirrison
|
Palmeiras | 13 |
| 3 | Washington
|
São Paulo | 12 |
| 4 | Edno
|
Portuguesa | 11 |
| Kléber Pereira
|
Santos | 11 | |
| 5 | Danilo Neco
|
Ponte Preta | 10 |
| Zé Carlos
|
Paulista | 10 |
