Domestic Box Office For September 1986
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Crocodile Dundee | $174,803,506 | 1,495 | $8,038,855 | 4.6% | 879 | Sep 26 | - | Paramount Pictures |
| 2 | Blue Velvet | $8,551,228 | 188 | $789,409 | 9.2% | 98 | Sep 19 | - | De Laurentiis Entertainment Group (DEG) |
| 3 | The Name of the Rose | $7,153,487 | 176 | $494,571 | 6.9% | 42 | Sep 26 | - | Twentieth Century Fox |
| 4 | Avenging Force | $4,679,650 | 500 | $1,131,502 | 24.2% | 500 | Sep 12 | - | Cannon Film Distributors |
| 5 | That's Life! | $4,079,895 | 700 | - | - | - | Sep 26 | - | Columbia Pictures |
| 6 | The Men's Club | $2,556,361 | 532 | $1,146,992 | 44.9% | 532 | Sep 19 | - | Atlantic Releasing Corporation |
| 7 | Down by Law | $1,435,668 | - | - | - | - | Sep 20 | - | Island Pictures |
| 8 | Half Moon Street | $1,131,399 | - | - | - | - | Sep 26 | - | Twentieth Century Fox |
| 9 | Where the River Runs Black | $676,166 | - | - | - | - | Sep 19 | - | Metro-Goldwyn-Mayer (MGM) |
| 10 | The Assault | $512,403 | 25 | - | - | - | Sep 19 | - | Cannon Film Distributors |
| 11 | 'night, Mother | $441,863 | 35 | $49,164 | 11.1% | 3 | Sep 12 | - | Universal Pictures |
| 12 | Radioactive Dreams | $220,038 | 90 | $141,055 | 64.1% | 90 | Sep 19 | Oct 2 | De Laurentiis Entertainment Group (DEG) |
| 13 | Hardbodies 2 | $78,068 | 46 | $78,068 | 100% | 46 | Sep 12 | Sep 18 | Cinetel |
