2003 Toronto Blue Jays season Game log September

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| September 1 | Yankees | 8 - 1 | Wells (12-6) | 26869 | 68-69 |
| September 3 | Yankees | 4 - 3 | Osuna (2-5) | 21770 | 69-69 |
| September 4 | Yankees | 3 - 2 | Walker (1-2) | 17254 | 69-70 |
| September 5 | Tigers | 8 - 6 | Maroth (6-20) | 14455 | 70-70 |
| September 6 | Tigers | 1 - 0 (10) | Rodney (0-2) | 18261 | 71-70 |
| September 7 | Tigers | 8 - 0 | Mears (0-2) | 16617 | 72-70 |
| September 8 | @ Yankees | 9 - 3 | Escobar (10-9) | 8848 | 72-71 |
| September 9 | @ Devil Rays | 11 - 6 | Lidle (12-12) | 8528 | 72-72 |
| September 10 | @ Devil Rays | 6 - 5 | Sosa (5-10) | 8522 | 73-72 |