The Sky over the Mornington Peninsula — September 2107
Highlights this month
- 7WedMercury at greatest evening elongation (27° from the Sun, mag 0.2) — best evening apparition. (7:45am)
- 10SatThe Moon passes Jupiter — 4° apart. (11:21pm)
- 16FriSaturn is stationary — resumes direct (eastward) motion. (6:21am)
- 19MonThe Moon passes Mercury — 4° apart. (12:49am)
- 20TueMercury is stationary — begins retrograde (westward) motion. (10:42am)
- 24SatSpring equinox.
- 25SunThe Moon passes Saturn — 5° apart. (8:30am)
- 26MonNeptune in superior conjunction with the Sun — lost in the glare. (11:33am)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Thu 1 | 6:43am | 5:58pm | 11h 14m | 7:25pm | 5:16am |
| Sat 10 | 6:30am | 6:05pm | 11h 35m | 7:33pm | 5:02am |
| Tue 20 | 6:14am | 6:14pm | 12h 00m | 7:42pm | 4:46am |
| Fri 30 | 5:58am | 6:23pm | 12h 24m | 7:52pm | 4:29am |
Days lengthen by about 70 minutes over the month.
The Moon
- Full MoonFri 2, 10:59pm
- Last QuarterSat 10, 7:18pm
- New MoonSat 17, 9:51am
- First QuarterSat 24, 11:04am
Apogee 1 Sep (406,200 km) · Perigee 16 Sep (358,700 km) · Apogee 28 Sep (405,800 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | 0.4 | 7:09am | 1:42pm | 8:16pm | Evening |
| Venus | Vir | −3.7 | 7:05am | 1:13pm | 7:22pm | Hidden |
| Mars | Cnc | 1.6 | 4:27am | 9:25am | 2:23pm | Morning |
| Jupiter | Tau | −2.1 | 1:16am | 6:03am | 10:51am | Morning |
| Saturn | Sgr | 0.3 | 12:16pm | 7:34pm | 2:57am | Evening |
| Uranus | Tau | 5.7 | 11:10pm | 4:15am | 9:16am | Morning |
| Neptune | Vir | 8.0 | 6:55am | 12:55pm | 6:56pm | Hidden |
The solar system — September 2107
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 4 September 2026.