South Korean Box Office For September 2021
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Shang-Chi and the Legend of the Ten Rings | $15,217,917 | 1,651 | $6,637,419 | 43.6% | - | Sep 1 | - | First Run |
| 2 | On the Line | $11,772,156 | 1,208 | - | - | - | Sep 15 | - | First Run |
| 3 | No Time to Die | $10,085,088 | 2,201 | $3,286,667 | 32.6% | 2,201 | Sep 29 | - | Universal Pictures International (UPI) |
| 4 | Miracle | $5,632,272 | 688 | - | - | - | Sep 15 | - | First Run |
| 5 | Miracle: Letters to the President | $3,547,112 | 1,196 | $986,104 | 27.8% | 1,196 | Sep 15 | - | First Run |
| 6 | Pokémon the Movie: Secrets of the Jungle | $1,645,865 | 697 | $478,985 | 29.1% | 697 | Sep 15 | - | First Run |
| 7 | Shinchan: Crash! Scribble Kingdom and Almost Four Heroes | $1,463,091 | 573 | $328,780 | 22.5% | 573 | Sep 15 | - | - |
| 8 | Don't Breathe 2 | $616,508 | 248 | $266,622 | 43.2% | 248 | Sep 1 | - | First Run |
| 9 | Belle | $542,866 | 214 | $128,651 | 23.7% | 214 | Sep 29 | - | First Run |
| 10 | Candyman | $421,521 | 521 | $158,689 | 37.6% | 521 | Sep 22 | - | Universal Pictures |
| 11 | Malignant | $363,888 | 485 | $150,782 | 41.4% | 485 | Sep 15 | - | Warner Bros. |
| 12 | Jannabi Fantastic Old-Fashioned Returns! X Nonsense II | $270,350 | 66 | $71,971 | 26.6% | 66 | Sep 9 | - | First Run |
| 13 | Gunpowder Milkshake | $266,743 | 471 | $104,006 | 39% | 471 | Sep 8 | - | First Run |
| 14 | The Recon | $157,610 | 88 | - | - | - | Sep 29 | - | First Run |
| 15 | BanG Dream! Episode of Roselia II: Song I am. | $122,055 | 86 | $32,236 | 26.4% | 86 | Sep 9 | - | First Run |
| 16 | Snowball | $77,400 | 99 | $21,859 | 28.2% | 99 | Sep 1 | - | First Run |
| 17 | Good Person | $61,072 | 136 | $26,292 | 43.1% | 136 | Sep 9 | - | First Run |
| 18 | I'm Your Man | $60,967 | 36 | $15,274 | 25.1% | 36 | Sep 16 | - | First Run |
| 19 | Spirit Untamed | $59,076 | 138 | $22,633 | 38.3% | 138 | Sep 15 | - | Universal Pictures International (UPI) |
| 20 | Respect | $57,144 | 106 | $14,345 | 25.1% | 106 | Sep 8 | - | First Run |
| 21 | Tove | $36,444 | 33 | $9,664 | 26.5% | 33 | Sep 16 | - | First Run |
| 22 | My Little Pony: A New Generation | $34,513 | 136 | $16,276 | 47.2% | 136 | Sep 22 | - | First Run |
| 23 | Super Moon | $31,265 | 200 | $28,256 | 90.4% | 200 | Sep 9 | - | First Run |
| 24 | a-ha: The Movie | $28,260 | 46 | $9,240 | 32.7% | 46 | Sep 22 | - | First Run |
| 25 | Short Vacation | $25,624 | 48 | $8,607 | 33.6% | 48 | Sep 23 | - | First Run |
| 26 | Sister | $25,031 | 97 | $16,407 | 65.5% | 97 | Sep 9 | - | First Run |
| 27 | Father | $23,605 | 34 | $4,596 | 19.5% | 34 | Sep 30 | - | First Run |
| 28 | Show Me the Ghost | $14,306 | 4 | - | - | - | Sep 9 | - | First Run |
| 29 | Michelangelo - Infinito | $12,988 | 12 | $4,070 | 31.3% | 12 | Sep 29 | - | First Run |
| 30 | Bacurau | $12,702 | 25 | $5,708 | 44.9% | 25 | Sep 2 | - | First Run |
| 31 | Drôle de père 2021 Re-release | $8,618 | 25 | $3,201 | 37.1% | 25 | Sep 30 | - | First Run |
| 32 | Red Hour | $7,758 | 5 | - | - | - | Sep 23 | - | First Run |
| 33 | Snake Eyes | $3,725 | - | - | - | - | Sep 9 | - | Paramount Pictures |
| 34 | The Monkey King: Reborn | $2,635 | 39 | $1,736 | 65.9% | 39 | Sep 30 | - | First Run |
| 35 | Wings Over Everest | $2,134 | 5 | $1,243 | 58.2% | 5 | Sep 30 | - | First Run |
This chart only reflects 98 percent of total screens in South Korea.
