1.

The Moon at aphelion The Moon recedes to its orbit's furthest point from the Sun, which happens each month around the time of full moon. Fri, 05 Sep 2025 at 02:32 PDT (11 days ago) in Capricornus

2.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Fri, 05 Sep 2025 at 22:17 PDT (11 days ago) in Taurus

3.

Full Moon The Moon reaches full phase and is visible for much of the night. Sun, 07 Sep 2025 at 11:08 PDT (9 days ago) in Aquarius

4.

Total lunar eclipse There will be an eclipse of the Moon, visible from Antarctica, Asia, Russia, Africa, Oceania and Europe. Sun, 07 Sep 2025 at 11:11 PDT (9 days ago) in Aquarius

5.

Close approach of the Moon, Saturn and Neptune The Moon, Saturn and Neptune pass close to one another. Mon, 08 Sep 2025 at 10:11 PDT (8 days ago) in Pisces

6.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°59'. Mon, 08 Sep 2025 at 13:20 PDT (8 days ago) in Pisces

7.

September ε-Perseid meteor shower 2025 The September ε-Perseid meteor shower reaches its peak. Tue, 09 Sep 2025 (7 days ago) in Perseus

8.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, making it appear fractionally larger than at other times of the month. Wed, 10 Sep 2025 at 05:09 PDT (6 days ago) in Pisces

9.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Fri, 12 Sep 2025 at 15:10 PDT (4 days ago) in Taurus

10.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Sat, 13 Sep 2025 at 04:00 PDT (3 days ago) in Leo

11.

Moon at Last Quarter The Moon reaches last quarter phase – rising in the east at around midnight and appearing high in the sky by sunrise. Sun, 14 Sep 2025 at 03:33 PDT (2 days ago) in Taurus

12.

Lunar occultation of Beta Tauri The Moon will pass in front of Beta Tauri (Elnath), creating a lunar occultation visible from countries and territories including Mexico, the Contiguous United States, French Polynesia and Kiribati amongst others. Sun, 14 Sep 2025 at 05:21 PDT (2 days ago) in Taurus

13.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°33'. Tue, 16 Sep 2025 at 04:05 PDT (3 minutes ago) in Gemini

14.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Tue, 16 Sep 2025 at 05:42 PDT (1 hour away) in Gemini

15.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 48'. Fri, 19 Sep 2025 at 04:46 PDT (3 days away) in Leo

16.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Fri, 19 Sep 2025 at 05:30 PDT (3 days away) in Leo

17.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from Africa, Asia, Europe, Canada, Greenland, Russia, Corsica, Guernsey, Svalbard, Menorca, Mallorca, Ibiza, Isla de Alborán, Melilla, Islas Chafarinas, Shetland, Orkney, Northern Ireland and RAF Akrotiri. Fri, 19 Sep 2025 at 05:30 PDT (3 days away) in Leo

18.

Saturn at opposition Saturn lies in the opposite direction to the Sun in the sky, making it slightly closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Sat, 20 Sep 2025 at 22:37 PDT (4 days away) in Pisces

19.

Partial solar eclipse There will be an eclipse of the Sun, visible from Antarctica and Oceania. Sun, 21 Sep 2025 at 12:42 PDT (5 days away) in Virgo

20.

New Moon The Moon disappears into the Sun's glare for a few days. Sun, 21 Sep 2025 at 12:55 PDT (5 days away) in Virgo