The Sky over the Mornington Peninsula — September 2102
Highlights this month
- 6WedMercury in inferior conjunction with the Sun — lost in the glare. (9:36am)
- 14ThuMercury is stationary — resumes direct (eastward) motion. (11:35pm)
- 15FriNeptune in superior conjunction with the Sun — lost in the glare. (1:38am)
- 19TueThe Moon passes Jupiter — 4° apart. (5:39pm)
- 22FriMercury at greatest morning elongation (18° from the Sun, mag −0.4) — best morning apparition. (1:29pm)
- 23SatSpring equinox.
- 30SatVenus in superior conjunction with the Sun — lost in the glare. (12:08pm)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Fri 1 | 6:43am | 5:58pm | 11h 15m | 7:26pm | 5:15am |
| Sun 10 | 6:29am | 6:05pm | 11h 36m | 7:33pm | 5:02am |
| Wed 20 | 6:14am | 6:14pm | 12h 00m | 7:42pm | 4:46am |
| Sat 30 | 5:58am | 6:23pm | 12h 25m | 7:52pm | 4:29am |
Days lengthen by about 70 minutes over the month.
The Moon
- Last QuarterMon 4, 8:19pm
- New MoonWed 13, 12:51am
- First QuarterWed 20, 10:30am
- Full MoonWed 27, 3:00am
Apogee 8 Sep (405,600 km) · Perigee 24 Sep (364,600 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Leo | 1.2 | 5:42am | 11:20am | 4:58pm | Hidden |
| Venus | Leo | −3.8 | 6:19am | 12:03pm | 5:47pm | Hidden |
| Mars | Vir | 1.7 | 7:16am | 1:34pm | 7:51pm | Hidden |
| Jupiter | Oph | −1.9 | 10:27am | 5:45pm | 1:07am | Evening |
| Saturn | Lib | 0.5 | 8:54am | 3:44pm | 10:34pm | Evening |
| Uranus | Ari | 5.7 | 9:24pm | 2:51am | 8:15am | Morning |
| Neptune | Leo | 8.0 | 6:27am | 12:16pm | 6:04pm | Hidden |
The solar system — September 2102
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 2 September 2026.
