Conference Power Rankings: 2009 NCAA Football Bowl Subdivision (FBS)
Preseason | Week 1 | Week 2 | Week 3 | Week 4 | Week 5 | Week 6 | Week 7 | Week 8 | Week 9 | Week 10 | Week 11 | Week 12 | Week 13 | Week 14 | Week 15 | Final
| Rank | Conference | Score | OOC Record | # Teams | Best Team | Worst Team |
| 1. | ![]() Southeastern Conference |
624.07 | 11-1 | 12 | #3 Alabama (1-0) | #91 Mississippi State (1-0) |
| 2. | ![]() Big XII Conference |
609.38 | 10-2 | 12 | #1 Texas (1-0) | #111 Iowa State (1-0) |
| 3. | ![]() Big Ten Conference |
591.98 | 10-1 | 11 | #7 Penn State (1-0) | #105 Indiana (1-0) |
| 4. | ![]() Big East Conference |
585.52 | 5-1 | 8 | #17 Cincinnati (1-0) | #110 Syracuse (0-1) |
| 5. | ![]() Pacific 10 Conference |
580.59 | 6-2 | 10 | #2 USC (1-0) | #113 Washington (0-1) |
| 6. | ![]() Atlantic Coast Conference |
560.66 | 4-6 | 12 | #14 Clemson (1-0) | #109 Duke (0-1) |
| 7. | ![]() Mountain West Conference |
526.79 | 6-2 | 9 | #9 TCU (0-0) | #117 San Diego State (0-1) |
| 8. | ![]() FBS Independents |
509.68 | 2-1 | 3 | #30 Notre Dame (1-0) | #106 Army (1-0) |
| 9. | ![]() Conference USA |
482.17 | 6-2 | 12 | #29 Tulsa (1-0) | #115 Tulane (0-1) |
| 10. | ![]() Western Athletic Conference |
469.84 | 3-4 | 9 | #6 Boise State (1-0) | #119 New Mexico State (0-1) |
| 11. | ![]() Mid-American Conference |
433.77 | 3-10 | 13 | #52 Bowling Green (1-0) | #118 Miami (OH) (0-1) |
| 12. | ![]() Sun Belt Conference |
432.27 | 3-5 | 9 | #69 UL Lafayette (1-0) | #120 Western Kentucky (0-1) |

















