Chinese Box Office For September 2021
Key:Estimated
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | My Country, My Parents | $221,400,000 | - | $90,600,000 | 40.9% | - | Sep 30 | - | - |
| 2 | Cloudy Mountain | $58,200,000 | - | $19,100,000 | 32.8% | - | Sep 17 | - | China Film Group Corporation (CFGC) |
| 3 | The Tomorrow War | $14,400,000 | - | $8,000,000 | - | - | Sep 3 | - | Paramount Pictures International |
| 4 | Stand by Me | $11,900,000 | - | $11,900,000 | 100% | - | Sep 9 | - | Cathay-Keris Films |
| 5 | All About My Mother | $8,900,000 | - | $4,700,000 | 52.8% | - | Sep 17 | - | - |
| 6 | Little Canned Men | $7,600,000 | - | $3,500,000 | 46.1% | - | Sep 30 | - | - |
| 7 | Dear Tutu: Operation T-Rex | $7,200,000 | - | $3,500,000 | 48.6% | - | Sep 30 | - | - |
| 8 | Pokémon the Movie: Secrets of the Jungle | $3,400,000 | - | $3,400,000 | 100% | - | Sep 10 | - | - |
