Domestic Box Office For September 1980
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ordinary People | $54,766,923 | 6 | $170,335 | 0.3% | 6 | Sep 19 | - | Paramount Pictures |
| 2 | Stardust Memories | $10,389,003 | 29 | $326,779 | 3.1% | 29 | Sep 26 | - | United Artists |
| 3 | Divine Madness | $5,318,098 | 127 | $769,787 | 14.5% | 127 | Sep 26 | - | Warner Bros. |
| 4 | In God We Trust (or Gimme That Prime Time Religion) | $5,215,015 | 653 | $2,008,150 | 38.5% | 653 | Sep 26 | - | Universal Pictures |
| 5 | Resurrection | $3,910,019 | 417 | $308,068 | 7.9% | 417 | Sep 26 | - | Universal Pictures |
| 6 | When a Stranger Calls 1980 Re-release | $1,262,052 | - | - | - | - | Sep 17 | - | Columbia Pictures |
| 7 | Phobia | $59,167 | - | - | - | - | Sep 26 | - | Paramount Pictures |
