The Sky over the Mornington Peninsula — September 2111
Highlights this month
- 6SunMercury in superior conjunction with the Sun — lost in the glare. (10:03pm)
- 16WedThe Moon passes Saturn — 0.4° apart. (10:15am)
- 17ThuUranus is stationary — begins retrograde (westward) motion. (5:14am)
- 24ThuSpring equinox.
- 29TueVenus at greatest morning elongation (46° from the Sun, mag −4.4) — best morning apparition. (5:57am)
- 29TueThe Moon passes Venus — 3° apart. (8:31am)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Tue 1 | 6:43am | 5:58pm | 11h 14m | 7:26pm | 5:16am |
| Thu 10 | 6:30am | 6:05pm | 11h 36m | 7:33pm | 5:02am |
| Sun 20 | 6:14am | 6:14pm | 12h 00m | 7:42pm | 4:46am |
| Wed 30 | 5:58am | 6:23pm | 12h 24m | 7:52pm | 4:29am |
Days lengthen by about 70 minutes over the month.
The Moon
- New MoonThu 3, 8:47pm
- First QuarterFri 11, 10:55am
- Full MoonFri 18, 2:12am
- Last QuarterFri 25, 8:09am
Perigee 16 Sep (361,700 km) · Apogee 28 Sep (405,300 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | −1.1 | 6:46am | 12:45pm | 6:45pm | Hidden |
| Venus | Cnc | −4.5 | 4:06am | 9:18am | 2:30pm | Morning |
| Mars | Leo | 1.8 | 5:40am | 11:04am | 4:29pm | Hidden |
| Jupiter | Vir | −1.5 | 6:59am | 1:04pm | 7:08pm | Hidden |
| Saturn | Aqr | 0.3 | 4:09pm | 10:53pm | 5:42am | Evening |
| Uranus | Tau | 5.7 | 12:37am | 5:25am | 10:13am | Morning |
| Neptune | Vir | 8.0 | 7:16am | 1:26pm | 7:37pm | Hidden |
The solar system — September 2111
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 6 September 2026.