Events in September 1980
| MonMonday | TueTuesday | WedWednesday | ThuThursday | FriFriday | SatSaturday | SunSunday |
|---|---|---|---|---|---|---|
| September 1, 1980 | September 2, 1980 | September 3, 1980 | September 4, 1980 | September 5, 1980 | September 6, 1980 | September 7, 1980 |
| September 8, 1980 | September 9, 1980 | September 10, 1980 | September 11, 1980 | September 12, 1980 | September 13, 1980 | September 14, 1980 |
| September 15, 1980 | September 16, 1980 | September 17, 1980 | September 18, 1980 | September 19, 1980 | September 20, 1980 | September 21, 1980 |
| September 22, 1980 | September 23, 1980 | September 24, 1980 | September 25, 1980 | September 26, 1980 | September 27, 1980 | September 28, 1980 |
| September 29, 1980 | September 30, 1980 | October 1, 1980 | October 2, 1980 | October 3, 1980 | October 4, 1980 | October 5, 1980 |