The Sky over the Mornington Peninsula — September 2143
Highlights this month
- 4WedThe Moon passes Jupiter — 3° apart. (3:31pm)
- 6FriThe Moon passes Venus — 1° apart. (12:11pm)
- 19ThuVenus at greatest morning elongation (46° from the Sun, mag −4.3) — best morning apparition. (7:22pm)
- 22SunMercury in superior conjunction with the Sun — lost in the glare. (5:11am)
- 23MonSpring equinox.
- 26ThuSaturn at opposition — closest and brightest of the year, up all night in Pisces (mag 0.4). (3:54pm)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Sun 1 | 6:43am | 5:58pm | 11h 15m | 7:26pm | 5:15am |
| Tue 10 | 6:29am | 6:06pm | 11h 36m | 7:33pm | 5:02am |
| Fri 20 | 6:14am | 6:14pm | 12h 00m | 7:42pm | 4:46am |
| Mon 30 | 5:58am | 6:23pm | 12h 25m | 7:52pm | 4:29am |
Days lengthen by about 70 minutes over the month.
The Moon
- Last QuarterMon 2, 11:19pm
- New MoonMon 9, 5:38pm
- First QuarterMon 16, 11:27am
- Full MoonTue 24, 12:44pm
Perigee 9 Sep (356,700 km) · Apogee 23 Sep (406,200 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Leo | −1.6 | 6:16am | 11:56am | 5:37pm | Hidden |
| Venus | Cnc | −4.4 | 4:06am | 9:16am | 2:26pm | Morning |
| Mars | Leo | 1.8 | 5:46am | 11:14am | 4:43pm | Hidden |
| Jupiter | Gem | −2.0 | 2:16am | 7:01am | 11:45am | Morning |
| Saturn | Psc | 0.5 | 6:56pm | 1:05am | 7:09am | Morning |
| Uranus | Vir | 5.6 | 8:06am | 2:47pm | 9:27pm | Evening |
| Neptune | Oph | 7.9 | 10:39am | 5:54pm | 1:12am | Evening |
The solar system — September 2143
Evening sky Morning sky Up much of the night Lost in the Sun’s glare
Open the full interactive orrery ↗ — fast-forward, pick any date, toggle the Moon and more.
Looking for an earlier month? Browse all past monthly guides →
Generated automatically from the MPAS sky engine on 16 September 2026.