Rank | Weekend Total | Weeks | Screens | Weekend screen avg. | Cumulative box office |
|---|
| 1. | Funny People (2009)  |
$22,657,780 (%) | 1 | 3,007 | $7,535 | $22,657,780 |
| 2. | Harry Potter and the Half-Blood Prince (2009)  |
$17,909,385 (-39%) | 3 | 4,393 | $4,076 | $255,672,245 |
| 3. | G-Force (2009)  |
$17,515,489 (-45%) | 2 | 3,697 | $4,737 | $66,918,912 |
| 4. | The Ugly Truth (2009)  |
$13,187,433 (-52%) | 2 | 2,882 | $4,575 | $54,668,841 |
| 5. | Aliens In the Attic (2009)  |
$8,008,423 (%) | 1 | 3,106 | $2,578 | $8,008,423 |
| 6. | Orphan (2009)  |
$7,525,419 (-42%) | 2 | 2,750 | $2,736 | $27,066,812 |
| 7. | Ice Age: Dawn of the Dinosaurs (2009)  |
$5,526,015 (-34%) | 5 | 2,757 | $2,004 | $182,068,804 |
| 8. | The Hangover (2009)  |
$5,194,475 (-20%) | 9 | 2,071 | $2,508 | $255,890,892 |
| 9. | The Proposal (2009)  |
$4,931,064 (-23%) | 7 | 2,435 | $2,025 | $148,964,741 |
| 10. | Transformers: Revenge of the Fallen (2009)  |
$4,688,329 (-42%) | 6 | 2,626 | $1,785 | $388,189,320 |