| When | What |
| 9/1/2010 12:23:00 PM | Last Quarter Moon |
| 9/1/2010 1:00:00 PM | Venus is 1.16° South of Spica |
| 9/3/2010 7:36:00 AM | Mercury in inferior conjunction with the Sun |
| 9/4/2010 9:00:00 AM | Mars is 2.24° North of Spica |
| 9/7/2010 7:30:00 AM | Moon is 4.75° South of Regulus |
| 9/7/2010 5:10:00 PM | Moon is 1.67° South of Mercury |
| 9/8/2010 5:31:00 AM | New Moon |
| 9/10/2010 8:19:00 PM | Moon is 3.01° South of Spica |
| 9/11/2010 8:08:00 AM | Moon is 0.34° South of Venus |
| 9/14/2010 1:13:00 AM | Moon is 2.11° North of Antares |
| 9/15/2010 12:51:00 AM | First Quarter Moon |
| 9/19/2010 12:21:00 PM | Mercury reaches 17.9° West of the Sun |
| 9/20/2010 11:19:00 AM | Moon is 4.57° North of Neptune |
| 9/21/2010 6:37:00 AM | Jupiter at Opposition, 49.9arcmin, -2.9 magnitude |
| 9/21/2010 11:59:00 AM | Uranus at Opposition, 3.7arcmin, 5.7 magnitude |
| 9/22/2010 2:00:00 PM | Jupiter is 0.88° South of Uranus |
| 9/22/2010 10:09:00 PM | Autumnal Equinox |
| 9/23/2010 4:18:00 AM | Full Moon |
| 9/29/2010 1:00:00 AM | Venus is 6.5° South of Mars |