2008 Florida Marlins season Game log September

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| September 14 | Nationals | 8–7 | Shell (2–2) | 12024 | 77–72 |
| September 16 | Astros | 5–1 | Oswalt (15–10) | 12232 | 78–72 |
| September 17 | Astros | 14–2 | Backe (9–13) | 14124 | 79–72 |
| September 18 | Astros | 8–1 | Árias (1–1) | 14219 | 80–72 |
| September 19 | Phillies | 14–8 | Myers (10–12) | 20202 | 81–72 |
| September 20 | Phillies | 3–2 | A. Sánchez (2–5) | 28757 | 81–73 |
| September 21 | Phillies | 5–2 | Volstad (5–4) | 28173 | 81–74 |
| September 22 | @ Reds | 7–5 | A. Miller (6–10) | 13565 | 81–75 |
| September 23 | @ Nationals | 9–4 | Olsen (8–11) | 20657 | 81–76 |
| September 24 | @ Nationals | 9–4 | Redding (10–11) | 23299 | 82–76 |