Australian Box Office For September 2003
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | Finding Nemo | $13,956,472 | 399 | $26,820,431 | - | Walt Disney Studios Motion Pictures |
| 2 | Winged Migration 2003 Re-release | $12,726,776 | 25 | $1,462,580 | Jun 19 | - |
| 3 | Pirates of the Caribbean: The Curse of the Black Pearl | $10,907,329 | 377 | $18,476,252 | Sep 11 | - |
| 4 | Bad Boys II | $4,630,776 | 273 | $7,680,900 | Sep 18 | - |
| 5 | Legally Blonde 2: Red, White & Blonde | $3,448,344 | 264 | $4,255,293 | Sep 11 | - |
| 6 | The Italian Job | $2,257,210 | 260 | $6,904,291 | Aug 21 | - |
| 7 | Lara Croft: Tomb Raider - The Cradle of Life | $2,103,110 | 221 | $4,173,144 | Sep 25 | - |
| 8 | Freaky Friday | $1,823,328 | 236 | $4,570,622 | - | Walt Disney Pictures |
| 9 | Rugrats Go Wild | $1,371,363 | 214 | $2,662,316 | Sep 18 | - |
| 10 | 28 Days Later | $1,318,406 | 147 | $1,474,915 | Sep 4 | - |
| 11 | Hollywood Homicide | $1,090,661 | 150 | $1,090,661 | Sep 4 | - |
| 12 | Agent Cody Banks | $1,062,827 | 194 | $2,472,917 | Sep 18 | - |
| 13 | American Wedding | $732,263 | 310 | $8,370,008 | Aug 7 | - |
| 14 | Japanese Story | $558,072 | 58 | $2,862,768 | Sep 25 | Big Bull Productions |
| 15 | Criminal Ways | $466,873 | 147 | $815,731 | Sep 25 | - |
| 16 | Ghosts of the Abyss | $447,631 | 2 | $2,596,425 | Sep 4 | IMAX |
| 17 | The In-Laws | $304,493 | 153 | $655,216 | Aug 28 | - |
| 18 | Darkness Falls | $289,091 | 110 | $637,686 | Aug 28 | - |
| 19 | American Splendor | $216,382 | 17 | $287,525 | Sep 11 | - |
| 20 | Terminator 3: Rise of the Machines | $190,656 | 378 | $12,352,558 | Jul 17 | - |
| 21 | Down with Love | $187,297 | 173 | $1,711,224 | Aug 14 | - |
| 22 | The Rage in Placid Lake | $180,668 | 38 | $284,808 | Aug 28 | - |
| 23 | Tears of the Sun | $150,419 | 160 | $1,449,248 | Aug 14 | - |
| 24 | Together | $145,462 | 16 | $189,462 | Sep 11 | - |
| 25 | Man on the Train | $124,538 | 12 | $181,516 | Aug 28 | - |
| 26 | Once Upon a Time in the Midlands | $86,821 | 9 | $86,821 | Sep 4 | - |
| 27 | Identity | $73,520 | 178 | $2,885,854 | Jul 31 | - |
| 28 | Calendar Girls | $69,310 | 185 | $5,148,042 | Oct 9 | - |
| 29 | My Little Eye | $52,999 | 40 | $52,999 | Sep 4 | - |
| 30 | Buffalo Soldiers | $39,203 | 46 | $280,099 | Aug 21 | - |
| 31 | Swimming Pool | $36,507 | 22 | $776,614 | Oct 2 | - |
| 32 | Undead | $34,418 | 17 | $96,919 | Sep 4 | - |
| 33 | Russian Ark Canadian Release | $25,351 | 12 | $1,171,556 | May 1 | - |
| 34 | Bugs! | $20,537 | 2 | $1,712,555 | Apr 10 | - |
| 35 | The Good, the Bad and the Ugly 2002 Re-release | $17,635 | 1 | $17,635 | Sep 4 | - |
| 36 | Springtime in a Small Town | $14,734 | 5 | $14,734 | Sep 25 | - |
Data courtesy of Motion Picture Distributors Association of Australia
