All matches in the month.
| date | location | wdl | match | competition |
| 03/09/2020 |  Kalisz |
D | Poland - Germany 1-1 | MU19s Friendly |
| 04/09/2020 |  Pärnu |
W | Estonia - Poland 0-6 | MU21s UEFA Qualifying Group 5 |
| 04/09/2020 |  Amsterdam |
L | Netherlands - Poland 1-0 | MS UEFA Nations League A Group 1 |
| 07/09/2020 |  Zenica |
W | Bosnia & Herzegovina - Poland 1-2 | MS UEFA Nations League A Group 1 |
| 08/09/2020 | Łódź |
W | Poland - Russia 1-0 | MU21s UEFA Qualifying Group 5 |
| 18/09/2020 |  Chomutov |
D | Czech Republic - Poland 0-0 | WS EURO 2021 Qualifying Group D |
| 22/09/2020 | Bielsko-Biała |
L | Poland - Czech Republic 0-2 | WS EURO 2021 Qualifying Group D |