Domestic Box Office For September 1979
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | National Lampoon's Animal House 1979 Re-release | $21,508,877 | 40 | $21,508,877 | Sep 21 | Universal Pictures |
| 2 | Alien | $3,570,366 | 757 | $78,944,891 | May 25 | Twentieth Century Fox |
