The Sky over the Mornington Peninsula — September 2055
Highlights this month
- 8WedMercury is stationary — begins retrograde (westward) motion. (11:39am)
- 8WedThe Moon passes Saturn — 2° apart. (12:48pm)
- 12SunNeptune is stationary — begins retrograde (westward) motion. (8:55pm)
- 18SatThe Moon passes Venus — 4° apart. (9:31am)
- 22WedMercury in inferior conjunction with the Sun — lost in the glare. (1:17am)
- 23ThuSpring equinox.
- 27MonThe Moon passes Jupiter — 3° apart. (8:08pm)
- 29WedSaturn at opposition — closest and brightest of the year, up all night in Pisces (mag 0.3). (6:23pm)
- 30ThuMercury is stationary — resumes direct (eastward) motion. (9:36am)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Wed 1 | 6:43am | 5:58pm | 11h 16m | 7:26pm | 5:15am |
| Fri 10 | 6:29am | 6:06pm | 11h 37m | 7:33pm | 5:01am |
| Mon 20 | 6:13am | 6:14pm | 12h 01m | 7:43pm | 4:45am |
| Thu 30 | 5:57am | 6:23pm | 12h 26m | 7:53pm | 4:28am |
Days lengthen by about 70 minutes over the month.
The Moon
- Full MoonMon 6, 12:02pm
- Last QuarterTue 14, 3:17pm
- New MoonTue 21, 12:22pm
- First QuarterTue 28, 4:09am
Apogee 9 Sep (406,100 km) · Perigee 22 Sep (356,900 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | 2.6 | 6:35am | 12:55pm | 7:14pm | Hidden |
| Venus | Cnc | −4.6 | 4:11am | 9:30am | 2:50pm | Morning |
| Mars | Vir | 1.7 | 7:20am | 1:40pm | 8:00pm | Evening |
| Jupiter | Sgr | −2.0 | 11:16am | 6:38pm | 2:04am | Evening |
| Saturn | Psc | 0.4 | 7:12pm | 1:16am | 7:17am | Morning |
| Uranus | Vir | 5.6 | 7:18am | 1:35pm | 7:52pm | Hidden |
| Neptune | Tau | 7.8 | 12:23am | 5:18am | 10:12am | Morning |
The solar system — September 2055
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 15 July 2026.