2004 New York Mets season September September

| Date_ | Opponent | Score | Loss | Attendance |
|---|---|---|---|---|
| September 14 | Atlanta | 7-0 | Ortiz (14-8) | 21545 |
| September 15 | Atlanta | 2-0 | Leiter (9-7) | 29704 |
| September 16 | Atlanta | 9-4 | Capellan (0-1) | 19885 |
| September 17 | @ Pittsburgh | POSTPONED | POSTPONED | POSTPONED |
| September 18 | @ Pittsburgh | 8-7 | Torres (7-5) | 19236 |
| September 19 | @ Pittsburgh | 1-0 | Heilman (1-2) | N/A |
| September 19 | @ Pittsburgh | 6-1 | Benson (12-12) | 18219 |
| September 21 | @ Montreal | 6-1 | Leiter (9-8) | 3839 |
| September 22 | @ Montreal | 3-2 | Ayala (6-12) | 3664 |
| September 23 | @ Montreal | 4-2 | Ohka (3-6) | 11142 |
| September 24 | Chicago | 2-1 | Looper (2-4) | 28196 |
| September 25 | Chicago | 4-3 | Mercker (3-1) | 34284 |
| September 26 | Chicago | 3-2 | Wood (8-8) | 36476 |
| September 27 | @ Atlanta | POSTPONED | POSTPONED | POSTPONED |