UK Box Office 12th September, 1980
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (new) |  | Caddyshack (1980) | £730,516 | £730,516 | £730,516 | new | 1 |
| 2 (new) |  | Urban Cowboy (1980) | £703,774 | £703,774 | £703,774 | new | 1 |
| 3 (new) | Cruising (1980) | £362,711 | £362,711 | £362,711 | new | 1 | |
| 4 (1) |  | Star Wars: The Empire Strikes Back (1980) | £12,633 | £17,055 | £11,329,630 | -50% | 17 |
| 5 (3) |  | Fame (1980) | £5,426 | £7,325 | £884,730 | -44% | 8 |