The Sky over the Mornington Peninsula — September 2183
Highlights this month
- 8MonVenus at greatest morning elongation (46° from the Sun, mag −4.3) — best morning apparition. (12:50am)
- 10WedMars and Jupiter in conjunction — 1.0° apart. (6:33pm)
- 10WedNeptune at opposition — closest and brightest of the year, up all night in Aquarius (mag 7.8). (10:54pm)
- 12FriMercury in superior conjunction with the Sun — lost in the glare. (10:18pm)
- 13SatThe Moon passes Venus — 2° apart. (4:44am)
- 19FriThe Moon passes Jupiter — 3° apart. (7:48pm)
- 23TueSpring equinox.
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Mon 1 | 6:43am | 5:58pm | 11h 16m | 7:26pm | 5:15am |
| Wed 10 | 6:29am | 6:06pm | 11h 37m | 7:34pm | 5:01am |
| Sat 20 | 6:13am | 6:14pm | 12h 01m | 7:43pm | 4:45am |
| Tue 30 | 5:57am | 6:23pm | 12h 26m | 7:53pm | 4:28am |
Days lengthen by about 70 minutes over the month.
The Moon
- Full Moon SupermoonTue 2, 5:08pm
- Last QuarterTue 9, 8:45am
- New MoonWed 17, 7:45am
- First QuarterThu 25, 8:32am
Perigee 3 Sep (357,200 km) · Apogee 17 Sep (406,300 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | −1.5 | 6:34am | 12:27pm | 6:19pm | Hidden |
| Venus | Cnc | −4.3 | 4:09am | 9:18am | 2:26pm | Morning |
| Mars | Vir | 1.6 | 7:48am | 2:24pm | 9:00pm | Evening |
| Jupiter | Vir | −1.5 | 7:47am | 2:17pm | 8:46pm | Evening |
| Saturn | Leo | 0.4 | 5:20am | 10:38am | 3:55pm | Hidden |
| Uranus | Psc | 5.8 | 8:26pm | 2:07am | 7:44am | Morning |
| Neptune | Aqr | 7.8 | 5:38pm | 11:58pm | 6:22am | All night |
The solar system — September 2183
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 13 October 2026.