The Sky over the Mornington Peninsula — September 2141
Highlights this month
- 4MonThe Moon passes Venus — 3° apart. (5:47pm)
- 14ThuMercury in inferior conjunction with the Sun — lost in the glare. (4:09am)
- 22FriMercury is stationary — resumes direct (eastward) motion. (2:45pm)
- 23SatSpring equinox.
- 24SunVenus at greatest evening elongation (46° from the Sun, mag −4.4) — best evening apparition. (5:42pm)
- 30SatMercury at greatest morning elongation (18° from the Sun, mag −0.5) — best morning apparition. (1:00am)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Fri 1 | 6:42am | 5:58pm | 11h 16m | 7:26pm | 5:15am |
| Sun 10 | 6:29am | 6:06pm | 11h 37m | 7:34pm | 5:01am |
| Wed 20 | 6:13am | 6:15pm | 12h 02m | 7:43pm | 4:45am |
| Sat 30 | 5:57am | 6:23pm | 12h 26m | 7:53pm | 4:28am |
Days lengthen by about 70 minutes over the month.
The Moon
- New MoonFri 1, 2:13am
- First QuarterFri 8, 4:58pm
- Full MoonSat 16, 2:55pm
- Last QuarterSat 23, 1:52pm
- New MoonSat 30, 1:14pm
Apogee 9 Sep (404,800 km) · Perigee 23 Sep (369,900 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Leo | 6.1 | 6:03am | 12:00pm | 5:58pm | Hidden |
| Venus | Lib | −4.3 | 8:07am | 3:05pm | 10:03pm | Evening |
| Mars | Leo | 1.8 | 5:13am | 10:27am | 3:41pm | Hidden |
| Jupiter | Psc | −2.7 | 8:27pm | 2:10am | 7:49am | Morning |
| Saturn | Aqr | 0.4 | 4:43pm | 11:19pm | 5:59am | All night |
| Uranus | Vir | 5.6 | 7:42am | 2:11pm | 8:41pm | Evening |
| Neptune | Oph | 7.9 | 10:21am | 5:34pm | 12:50am | Evening |
The solar system — September 2141
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 September 2026.