2008 Kansas City Royals season Game log September

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| September 18 | Mariners | 12 - 0 | Feierabend (1-4) | 14144 | 69-84 |
| September 19 | White Sox | 9 - 4 | Bannister (8-14) | 26049 | 69-85 |
| September 20 | White Sox | 5 - 2 | Floyd (16-8) | 23754 | 70-85 |
| September 21 | White Sox | 3 - 0 | Duckworth (3-2) | 16920 | 70-86 |
| September 22 | Tigers | 6 - 2 | Miner (8-5) | 36428 | 71-86 |
| September 23 | Tigers | 5 - 0 | García (1-1) | 35121 | 72-86 |
| September 24 | Tigers | 10 - 4 | Robertson (7-11) | 35899 | 73-86 |
| September 26 | @ Twins | 8 - 1 | Liriano (6-4) | 30674 | 74-86 |
| September 27 | @ Twins | 4 - 2 | Guerrier (6-9) | 38072 | 75-86 |
| September 28 | @ Twins | 6 - 0 | Duckworth (3-3) | 42942 | 75-87 |