| 1 September, 09:07 | New moon and annular solar eclipse |
| 2 September | Neptune at opposition |
| 2 September, 21:55 | Moon occults Jupiter |
| 3 September, 10:31 | Moon occults Venus |
| 6 September, 18:49 | Moon at apogee |
| 12 September, 23:42 | Mercury at inferior conjunction |
| 15 September, 20:29 | Moon occults Neptune |
| 16 September, 18:54 | Full moon and penumbral lunar eclipse |
| 18 September, 17:08 | Moon at perigee |
| 22 September, 14:21 | Earth southward equinox |
| 26 September, 07:00 | Jupiter at conjunction |
| 28 September, 19:30 | Mercury at greatest western elongation |
| 29 September, 10:41 | Moon occults Mercury |
| 30 September, 16:11 | Moon occults Jupiter |