Japanese Box Office For September 2008
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Departures | $61,010,217 | 221 | $2,194,799 | 3.6% | 220 | Sep 13 | - | Shochiku |
| 2 | Wanted | $23,370,055 | 506 | $7,654,662 | 32.8% | 504 | Sep 20 | - | Toho-Towa |
| 3 | Paco and the Magical Book | $22,650,527 | 292 | $2,828,272 | 12.5% | 292 | Sep 13 | - | Toho |
| 4 | Iron Man | $8,658,784 | 404 | $1,958,331 | 22.6% | 404 | Sep 27 | - | Sony Pictures Releasing |
| 5 | Superior 8 Ultra Brothers | $8,292,149 | 179 | $2,116,911 | 25.5% | 179 | Sep 13 | - | Shochiku |
| 6 | Ikigami | $7,015,574 | 252 | $1,241,354 | 17.7% | 250 | Sep 27 | - | Toho |
| 7 | Nim's Island | $4,318,459 | 214 | $790,102 | 18.3% | 214 | Sep 6 | - | Herald Film Company |
| 8 | Nights in Rodanthe | $4,200,000 | 259 | $648,379 | 15.4% | 258 | Sep 27 | - | Warner Bros. |
| 9 | Gou Gou, the Cat | $3,066,947 | 150 | $577,187 | 18.8% | 149 | Sep 6 | - | Asmik Ace Entertainment |
| 10 | Samurai Gangsters | $2,292,432 | 203 | $469,190 | 20.5% | 199 | Sep 20 | - | Herald Film Company |
| 11 | Into the Wild | $1,553,477 | 31 | - | - | - | Sep 6 | - | Style Jam |
| 12 | Shutter | $1,021,309 | 134 | $313,777 | 30.7% | 134 | Sep 6 | - | 20th Century Fox International |
| 13 | Gurren Lagann the Movie: Childhood's End | $957,621 | 11 | - | - | - | Sep 6 | - | The Klockworx |
| 14 | Achilles and the Tortoise | $817,841 | 81 | $189,091 | 23.1% | 80 | Sep 20 | - | - |
| 15 | Shakariki! | $534,080 | 73 | - | - | - | Sep 6 | - | Showgate |
| 16 | The Fall | $498,461 | 25 | - | - | - | Sep 6 | - | Movie-Eye Entertainment |
| 17 | Flying Rabbits | $486,677 | 183 | - | - | - | Sep 13 | - | Toei Company |
| 18 | Snakes and Earrings | $449,273 | 26 | $99,358 | 22.1% | 26 | Sep 20 | - | Gaga |
| 19 | Alvin and the Chipmunks | $383,728 | 94 | - | - | - | Sep 13 | - | 20th Century Fox International |
| 20 | Pistol Whipped | $89,518 | 4 | $11,104 | 12.4% | 3 | Sep 13 | - | Sony Pictures Releasing |
