The Sky over the Mornington Peninsula — September 2177
Highlights this month
- 2TueMercury in superior conjunction with the Sun — lost in the glare. (2:53pm)
- 8MonMars in superior conjunction with the Sun — lost in the glare. (12:27am)
- 19FriUranus at opposition — closest and brightest of the year, up all night in Pisces (mag 5.8). (7:52pm)
- 20SatSaturn is stationary — begins retrograde (westward) motion. (3:15am)
- 22MonSpring equinox.
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Mon 1 | 6:42am | 5:59pm | 11h 17m | 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 | 4:44am |
| Tue 30 | 5:57am | 6:24pm | 12h 27m | 7:53pm | 4:27am |
Days lengthen by about 70 minutes over the month.
The Moon
- Full MoonMon 8, 4:27pm
- Last QuarterTue 16, 12:17am
- New MoonMon 22, 5:28pm
- First QuarterTue 30, 6:23am
Apogee 3 Sep (405,500 km) · Perigee 19 Sep (365,700 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | −0.8 | 6:51am | 12:57pm | 7:03pm | Hidden |
| Venus | Leo | −3.7 | 5:45am | 11:14am | 4:44pm | Hidden |
| Mars | Leo | 1.8 | 6:20am | 12:08pm | 5:55pm | Hidden |
| Jupiter | Ari | −2.5 | 9:49pm | 3:13am | 8:32am | Morning |
| Saturn | Tau | −0.1 | 12:12am | 5:09am | 10:06am | Morning |
| Uranus | Psc | 5.8 | 6:23pm | 12:35am | 6:42am | All night |
| Neptune | Aqr | 7.8 | 4:29pm | 11:05pm | 5:44am | Evening |
The solar system — September 2177
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 9 October 2026.