International Box Office For September 2021
Key:Estimated
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | Shang-Chi and the Legend of the Ten Rings | $172,500,000 | - | $207,689,718 | Sep 1 | - |
| 2 | Free Guy | $103,000,000 | - | $209,877,159 | Aug 11 | - |
| 3 | Dune: Part One | $89,200,000 | 49,205 | $293,800,000 | Sep 15 | - |
| 4 | PAW Patrol: The Movie | $28,300,000 | - | $104,200,000 | Aug 11 | - |
| 5 | Malignant | $18,231,000 | 8,744 | $21,500,000 | Sep 1 | - |
| 6 | The Boss Baby 2: Family Business | $12,174,000 | - | $70,841,000 | Jul 1 | - |
| 7 | F9: The Fast Saga | $11,625,000 | - | $553,223,556 | May 19 | - |
| 8 | Candyman | $10,929,000 | - | $16,225,000 | Aug 26 | - |
| 9 | After We Fell | $9,200,144 | - | $9,200,144 | Sep 1 | - |
| 10 | The Suicide Squad | $9,000,000 | 19,105 | $112,900,000 | May 8 | - |
| 11 | Space Jam: A New Legacy | $6,200,000 | 13,930 | $93,100,000 | Jul 10 | - |
| 12 | Respect | $5,659,000 | - | $8,604,424 | Aug 12 | - |
| 13 | Reminiscence | $4,500,000 | 6,648 | $12,500,000 | Aug 19 | - |
| 14 | Escape Room: Tournament of Champions | $4,000,000 | - | $40,459,737 | Jul 1 | - |
| 15 | Don't Breathe 2 | $3,900,000 | - | $21,072,601 | Aug 12 | - |
| 16 | Jungle Cruise | $3,657,769 | - | $103,901,930 | Jul 28 | - |
| 17 | Old | $3,426,000 | - | $41,437,000 | Jul 21 | - |
| 18 | The Night House | $3,144,181 | - | $8,337,122 | Aug 18 | - |
| 19 | Luca | $1,985,163 | - | $49,750,471 | May 2 | - |
| 20 | The Many Saints of Newark | $1,919,000 | 755 | $4,800,000 | Sep 24 | - |
| 21 | Black Widow | $969,923 | - | $195,979,696 | Jul 7 | - |
| 22 | The Forever Purge | $933,000 | - | $32,455,000 | Jul 1 | - |
| 23 | Cry Macho | $713,000 | 833 | $6,200,000 | Sep 16 | - |
| 24 | A Quiet Place Part II | $143,000 | - | $137,300,000 | May 26 | - |
Figures are accurate only to the stated territory count unless otherwise noted.
