The Sky over the Mornington Peninsula — September 2180
Highlights this month
- 3SunNeptune at opposition — closest and brightest of the year, up all night in Aquarius (mag 7.8). (7:46am)
- 8FriMercury is stationary — begins retrograde (westward) motion. (5:01am)
- 12TueThe Moon passes Mars — 0.7° apart. (5:54am)
- 15FriThe Moon passes Saturn — 5° apart. (3:49am)
- 21ThuMercury in inferior conjunction with the Sun — lost in the glare. (8:14pm)
- 22FriSpring equinox.
- 30SatMercury is stationary — resumes direct (eastward) motion. (4:46am)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Fri 1 | 6:42am | 5:59pm | 11h 17m | 7:27pm | 5:14am |
| Sun 10 | 6:28am | 6:07pm | 11h 39m | 7:34pm | 5:00am |
| Wed 20 | 6:12am | 6:15pm | 12h 03m | 7:43pm | 4:44am |
| Sat 30 | 5:56am | 6:24pm | 12h 27m | 7:53pm | 4:27am |
Days lengthen by about 70 minutes over the month.
The Moon
- Full MoonMon 4, 1:32pm
- Last QuarterTue 12, 2:46pm
- New MoonWed 20, 1:07am
- First QuarterTue 26, 5:31pm
Apogee 10 Sep (405,000 km) · Perigee 22 Sep (363,700 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | 2.7 | 6:33am | 12:53pm | 7:13pm | Hidden |
| Venus | Leo | −3.8 | 4:53am | 10:06am | 3:19pm | Hidden |
| Mars | Tau | −0.2 | 1:00am | 5:48am | 10:37am | Morning |
| Jupiter | Cnc | −1.6 | 4:38am | 9:44am | 2:49pm | Hidden |
| Saturn | Gem | 0.0 | 3:11am | 8:01am | 12:51pm | Morning |
| Uranus | Psc | 5.8 | 7:22pm | 1:19am | 7:11am | Morning |
| Neptune | Aqr | 7.8 | 5:01pm | 11:29pm | 6:02am | All night |
The solar system — September 2180
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 11 October 2026.