1988 Toronto Blue Jays season Game log September

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| September 1 | Rangers | 5 - 1 | Hough (11-15) | 30294 | 66-68 |
| September 2 | Rangers | 7 - 6 | Vande Berg (1-2) | 30181 | 67-68 |
| September 3 | Rangers | 7 - 4 | Russell (10-7) | 33463 | 68-68 |
| September 4 | Rangers | 9 - 7 | Williams (2-5) | 34400 | 69-68 |
| September 5 | @ Tigers | 5 - 4 (10) | Hernández (5-4) | 21913 | 70-68 |
| September 6 | @ Tigers | 7 - 3 | Alexander (11-11) | 18299 | 71-68 |
| September 7 | @ Tigers | 4 - 3 | Cerutti (6-7) | 21614 | 71-69 |
| September 9 | @ Orioles | 8 - 1 | Bautista (6-13) | 14750 | 72-69 |
| September 10 | @ Orioles | 7 - 4 | Musselman (5-4) | 21945 | 72-70 |