Events in September 1638
| MonMonday | TueTuesday | WedWednesday | ThuThursday | FriFriday | SatSaturday | SunSunday |
|---|---|---|---|---|---|---|
| August 30, 1638 | August 31, 1638 | September 1, 1638 | September 2, 1638 | September 3, 1638 | September 4, 1638 | September 5, 1638 |
| September 6, 1638 | September 7, 1638 | September 8, 1638 | September 9, 1638 | September 10, 1638 | September 11, 1638 | September 12, 1638 |
| September 13, 1638 | September 14, 1638 | September 15, 1638 | September 16, 1638 | September 17, 1638 | September 18, 1638 | September 19, 1638 |
| September 20, 1638 | September 21, 1638 | September 22, 1638 | September 23, 1638 | September 24, 1638 | September 25, 1638 | September 26, 1638 |
| September 27, 1638 | September 28, 1638 | September 29, 1638 | September 30, 1638 | October 1, 1638 | October 2, 1638 | October 3, 1638 |
