| Moon Phase |
Day |
Phenomenon |
Hour (UT) |
Hour (EST) |
 |
1 |
Ceres, the largest asteroid, is 0 degrees 4 minutes north of the Moon. The asteroid is occulted, or hidden from view, by the Moon. | 2200 | 6 pm |
 |
5 |
FIRST QUARTER | 1600 | 12 pm (Noon) |
 |
7 |
Jupiter is 5 degrees north of Aldebaran, the brightest star in the constellation Taurus. | 1800 | 2 pm |
 |
8 |
The Moon is at its apogee, or farthest point from Earth in its monthly orbit. | 1300 | 9 am |
 |
9 |
Neptune is 1 degree 2 minutes north of the Moon. | 2300 | 7 pm |
 |
11 |
Uranus is 1 degree 4 minutes north of the Moon. | 0100 | 9 pm (Sept. 10) |
 |
12 |
Saturn appears to be motionless in the sky as its apparent direct motion changes to backward, or retrograde, motion. | 2000 | 4 pm |
 |
13 |
FULL MOON | 2000 | 4 pm |
 |
16 |
Mars is 0 degrees 8 minutes north of Regulus, the brightest star in the constellation Leo. | 0700 | 3 am |
 |
18 |
Venus is 3 degrees north of Spica, the brightest star in the constellation Virgo. | 1900 | 3 pm |
 |
19 |
Saturn is 1 degree 8 minutes north of the Moon. | 0100 | 9 pm (Sept. 18) |
 |
19 |
Jupiter is 2 degrees north of the Moon. | 1900 | 3 pm |
 |
21 |
LAST QUARTER | 0100 | 9 pm (Sept. 20) |
 |
22 |
Autumnal Equinox | 1700 | 1 pm |
 |
23 |
Mercury is 0 degrees 7 minutes north of Spica, the brightest star in the constellation Virgo. | 1500 | 11 am |
 |
24 |
The Moon is at its perigee, or closest point to Earth in its monthly orbit. | 0800 | 4 am |
 |
25 |
Mars is 2 degrees south of the Moon. | 1700 | 1 pm |
 |
27 |
The asteroid Juno appears to be motionless in the sky as its apparent backward, or retrograde, motion changes back to direct motion. | 0300 | 11 pm (Sept. 26) |
 |
27 |
NEW MOON | 2000 | 4 pm |
 |
29 |
Mercury is 8 degrees south of the Moon. | 1300 | 9 am |
 |
29 |
Jupiter appears to be motionless in the sky as its apparent direct motion changes to backward, or retrograde, motion. | 1400 | 10 am |
 |
30 |
Venus is 5 degrees south of the Moon. | 0000 | 8 pm (Sept. 29) |
 |
30 |
Ceres, the largest asteroid, is 0 degrees 5 minutes south of the Moon. The asteroid is occulted, or hidden from view, by the Moon. | 0400 | 12 am (Midnight) |