1980 Toronto Blue Jays season Game log September

| Date_ | Opponent | Score | Loss | Record |
|---|---|---|---|---|
| September 1 | @ Rangers | 9–1 | McLaughlin (4–8) | 54–76 |
| September 2 | @ Rangers | 3–2 | Leal (1–4) | 54–77 |
| September 3 | @ Rangers | 4–2 | Figueroa (3–9) | 55–77 |
| September 4 | White Sox | 3–2 | Farmer (6–8) | 56–77 |
| September 5 | White Sox | 3–0 | Clancy (13–11) | 56–78 |
| September 7 | White Sox | 3–1 | Trout (8–13) | 57–78 |
| September 7 | White Sox | 7–6 | Proly (3–9) | 58–78 |
| September 8 | Yankees | 7–4 | Stieb (12–11) | 58–79 |
| September 9 | Yankees | 6–4 | Perry (9–11) | 59–79 |
| September 10 | Yankees | 7–6 | Clancy (13–12) | 59–80 |
| September 11 | Orioles | 6–1 | Mirabella (4–11) | 59–81 |
| September 12 | Orioles | 7–5 | Flanagan (14–12) | 60–81 |
| September 13 | Orioles | 6–4 | Stieb (12–12) | 60–82 |