621.

Venus at aphelion Venus passes the furthest point along its orbit from the Sun. Fri, 04 Sep 2026 at 11:06 EST (269 days away) in Virgo

622.

Lunar occultation of Beta Tauri The Moon will pass in front of Beta Tauri (Elnath), creating a lunar occultation visible from Africa. Fri, 04 Sep 2026 at 22:37 EST (269 days away) in Taurus

623.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°00'. Sun, 06 Sep 2026 at 14:26 EST (271 days away) in Gemini

624.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sun, 06 Sep 2026 at 15:28 EST (271 days away) in Gemini

625.

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. Sun, 06 Sep 2026 at 16:42 EST (271 days away) in Gemini

626.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Tue, 08 Sep 2026 at 01:54 EST (273 days away) in Cancer

627.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 50'. Tue, 08 Sep 2026 at 14:11 EST (273 days away) in Cancer

628.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Tue, 08 Sep 2026 at 14:44 EST (273 days away) in Cancer

629.

Lunar occultation of Jupiter The Moon will pass in front of Jupiter, creating a lunar occultation visible from countries and territories including Canada, Greenland, Russia and the Contiguous United States amongst others. Tue, 08 Sep 2026 at 14:44 EST (273 days away) in Cancer

630.

September ε-Perseid meteor shower 2026 The September ε-Perseid meteor shower reaches its peak. Wed, 09 Sep 2026 (274 days away) in Perseus

631.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Thu, 10 Sep 2026 at 15:29 EST (275 days away) in Taurus

632.

New Moon The Moon disappears into the Sun's glare for a few days. Thu, 10 Sep 2026 at 23:28 EST (275 days away) in Leo

633.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 3°50'. Sat, 12 Sep 2026 at 03:29 EST (277 days away) in Virgo

634.

The Moon at perihelion The Moon passes its orbit's closest point to the Sun, which happens each month around the time of new moon. Sun, 13 Sep 2026 at 15:06 EST (278 days away) in Virgo

635.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 31'. Mon, 14 Sep 2026 at 07:11 EST (279 days away) in Virgo

636.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Mon, 14 Sep 2026 at 07:34 EST (279 days away) in Virgo

637.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from Africa, Asia, Europe, Russia, British Indian Ocean Territory, Corsica, Menorca, Mallorca, Ibiza, Isla de Alborán, Melilla, Islas Chafarinas and RAF Akrotiri. Mon, 14 Sep 2026 at 07:34 EST (279 days away) in Virgo

638.

Lunar occultation of Antares The Moon will pass in front of Antares (Alpha Scorpii), creating a lunar occultation visible from countries and territories including Antarctica, Australia, Tasmania and Heard Island and McDonald Islands amongst others. Thu, 17 Sep 2026 at 08:53 EST (282 days away) in Scorpius

639.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Fri, 18 Sep 2026 at 16:44 EST (283 days away) in Ophiuchus

640.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Fri, 18 Sep 2026 at 23:00 EST (283 days away) in Sagittarius