UK Box Office 26th September, 1980
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) |  | All That Jazz (1979) | £331,787 | £431,323 | £1,061,718 | -47% | 2 |
| 2 (2) |  | Urban Cowboy (1980) | £243,521 | £340,929 | £1,603,583 | -41% | 3 |
| 3 (3) |  | Caddyshack (1980) | £202,359 | £293,421 | £1,562,212 | -47% | 3 |
| 4 (4) |  | Xanadu (1980) | £189,688 | £256,079 | £635,455 | -50% | 2 |
| 5 (5) | Cruising (1980) | £74,940 | £104,916 | £681,957 | -55% | 3 | |