The Sky over the Mornington Peninsula — September 2123
Highlights this month
- 1WedMercury at greatest morning elongation (18° from the Sun, mag −0.2) — best morning apparition. (2:04pm)
- 23ThuSpring equinox.
- 24FriThe Moon passes Mars — 0.4° apart. (10:10pm)
- 26SunMercury in superior conjunction with the Sun — lost in the glare. (10:40pm)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Wed 1 | 6:43am | 5:58pm | 11h 15m | 7:26pm | 5:16am |
| Fri 10 | 6:30am | 6:05pm | 11h 36m | 7:33pm | 5:02am |
| Mon 20 | 6:14am | 6:14pm | 12h 00m | 7:42pm | 4:46am |
| Thu 30 | 5:58am | 6:23pm | 12h 25m | 7:52pm | 4:29am |
Days lengthen by about 70 minutes over the month.
The Moon
- Full MoonMon 6, 7:33am
- Last QuarterMon 13, 5:40am
- New MoonMon 20, 5:42am
- First QuarterTue 28, 5:20am
Perigee 12 Sep (369,700 km) · Apogee 27 Sep (404,900 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Leo | −1.4 | 6:05am | 11:41am | 5:16pm | Hidden |
| Venus | Vir | −3.7 | 7:08am | 1:18pm | 7:28pm | Hidden |
| Mars | Lib | 1.1 | 8:47am | 3:50pm | 10:53pm | Evening |
| Jupiter | Vir | −1.5 | 7:07am | 1:16pm | 7:24pm | Hidden |
| Saturn | Cnc | 0.3 | 4:39am | 9:43am | 2:47pm | Hidden |
| Uranus | Cnc | 5.6 | 4:13am | 9:09am | 2:05pm | Morning |
| Neptune | Vir | 8.0 | 8:21am | 3:01pm | 9:41pm | Evening |
The solar system — September 2123
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 10 September 2026.