The Sky over the Mornington Peninsula — September 2087
Highlights this month
- 9TueMercury and Mars in conjunction — 3° apart. (3:24am)
- 11ThuMercury at greatest evening elongation (27° from the Sun, mag 0.2) — best evening apparition. (1:50am)
- 16TueThe Moon passes Saturn — 3° apart. (6:40pm)
- 22MonJupiter in superior conjunction with the Sun — lost in the glare. (11:58am)
- 23TueThe Moon passes Venus — 2° apart. (8:00am)
- 23TueSpring equinox.
- 24WedMercury is stationary — begins retrograde (westward) motion. (3:33am)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Mon 1 | 6:42am | 5:58pm | 11h 16m | 7:26pm | 5:14am |
| Wed 10 | 6:28am | 6:06pm | 11h 38m | 7:34pm | 5:01am |
| Sat 20 | 6:13am | 6:15pm | 12h 02m | 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
- First QuarterFri 5, 3:53pm
- Full MoonSat 13, 2:52am
- Last QuarterFri 19, 7:22pm
- New MoonSat 27, 4:46am
Apogee 4 Sep (405,000 km) · Perigee 15 Sep (364,200 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | 0.3 | 7:12am | 1:47pm | 8:23pm | Evening |
| Venus | Cnc | −4.5 | 4:06am | 9:21am | 2:36pm | Morning |
| Mars | Vir | 1.7 | 7:26am | 1:50pm | 8:15pm | Evening |
| Jupiter | Vir | −1.5 | 6:40am | 12:36pm | 6:33pm | Hidden |
| Saturn | Ari | −0.0 | 10:07pm | 3:31am | 8:50am | Morning |
| Uranus | Aqr | 5.8 | 4:15pm | 10:55pm | 5:39am | Evening |
| Neptune | Leo | 7.9 | 4:59am | 10:12am | 3:25pm | Hidden |
The solar system — September 2087
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 28 August 2026.