International Box Office For September 2003
Key:Estimated
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | Pirates of the Caribbean: The Curse of the Black Pearl | $152,000,000 | 46 | $348,850,097 | Jul 17 | - |
| 2 | Calendar Girls | $65,500,300 | - | $62,359,000 | Sep 5 | - |
| 3 | Lara Croft: Tomb Raider - The Cradle of Life | $38,598,738 | 21 | $90,845,192 | Jul 24 | - |
| 4 | American Wedding | $24,551,924 | 38 | $126,425,115 | Aug 7 | - |
| 5 | The League of Extraordinary Gentlemen | $23,300,000 | 35 | $112,800,000 | Sep 4 | - |
| 6 | Finding Nemo | $17,500,000 | 27 | $531,300,000 | Jul 3 | - |
| 7 | Bad Boys II | $9,600,000 | 50 | $134,731,112 | Aug 28 | - |
| 8 | S.W.A.T. | $8,600,000 | 45 | $90,790,989 | Sep 18 | - |
| 9 | Identity | $6,400,000 | - | $38,100,000 | Jun 6 | - |
| 10 | The Italian Job | $2,226,592 | - | $69,941,570 | Jun 21 | - |
| 11 | Terminator 3: Rise of the Machines | $1,500,000 | 52 | $283,000,000 | Jul 3 | - |
| 12 | Gigli | $1,178,667 | - | $1,178,667 | Sep 26 | - |
| 13 | Alex & Emma | $1,150,199 | - | $1,150,199 | Sep 5 | - |
| 14 | Rosenstrasse | $0 | - | $5,341,090 | Sep 18 | - |
| 15 | Once Upon a Time in Mexico | $0 | - | $41,736,246 | Sep 25 | - |
| 16 | My Boss's Daughter | $0 | - | $0 | Sep 11 | - |
| 17 | Matchstick Men | $0 | - | $0 | Sep 17 | - |
Figures are accurate only to the stated territory count unless otherwise noted.
