Domestic Box Office For September 1985
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Agnes of God | $25,627,836 | 646 | $221,552 | 0.9% | 8 | Sep 13 | - | Columbia Pictures |
| 2 | Invasion U.S.A. | $17,536,256 | 1,735 | $6,891,609 | 39.3% | 1,735 | Sep 27 | - | Cannon Film Distributors |
| 3 | After Hours | $10,609,321 | 503 | $45,435 | 0.4% | 1 | Sep 13 | - | Warner Bros. |
| 4 | The Journey of Natty Gann | $9,708,373 | 362 | $490,318 | 5.1% | 163 | Sep 27 | - | Walt Disney Studios Motion Pictures |
| 5 | Plenty | $6,148,000 | 228 | $436,266 | 7.1% | 24 | Sep 19 | - | Twentieth Century Fox |
| 6 | Creator | $5,349,607 | 820 | $2,019,728 | 37.8% | 820 | Sep 20 | - | Universal Pictures |
| 7 | Ran | $3,607,393 | 30 | - | - | - | Sep 27 | - | Orion Classics |
| 8 | Maxie | $2,564,278 | 778 | $1,121,531 | 43.7% | 778 | Sep 27 | - | Orion Pictures |
| 9 | Marie | $2,507,995 | 465 | $241,423 | 9.6% | 103 | Sep 27 | - | Metro-Goldwyn-Mayer (MGM) |
| 10 | Code Name: Emerald | $561,548 | 195 | $241,108 | 42.9% | 195 | Sep 27 | - | Metro-Goldwyn-Mayer (MGM) |
| 11 | Joshua Then and Now | $542,420 | - | - | - | - | Sep 6 | - | Twentieth Century Fox |
| 12 | Morons from Outer Space | $441,137 | - | - | - | - | Sep 20 | - | Universal Pictures |
| 13 | Mishima: A Life in Four Chapters | $437,547 | 14 | - | - | - | Sep 13 | Oct 31 | Warner Bros. |
