The Sky over the Mornington Peninsula — September 2191
Highlights this month
- 5MonVenus at greatest morning elongation (46° from the Sun, mag −4.3) — best morning apparition. (4:24pm)
- 23FriSpring equinox.
- 23FriThe Moon passes Saturn — 5° apart. (10:11pm)
- 28WedThe Moon passes Mars — 1° apart. (2:30am)
- 29ThuNeptune at opposition — closest and brightest of the year, up all night in Pisces (mag 7.8). (5:52am)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Thu 1 | 6:43am | 5:58pm | 11h 16m | 7:26pm | 5:15am |
| Sat 10 | 6:29am | 6:06pm | 11h 37m | 7:34pm | 5:01am |
| Tue 20 | 6:13am | 6:14pm | 12h 01m | 7:43pm | 4:45am |
| Fri 30 | 5:57am | 6:23pm | 12h 26m | 7:53pm | 4:28am |
Days lengthen by about 70 minutes over the month.
The Moon
- Full Moon SupermoonSun 4, 12:01am
- Last QuarterSat 10, 10:35pm
- New MoonMon 19, 2:27am
- First QuarterMon 26, 5:54pm
Perigee 3 Sep (357,700 km) · Apogee 15 Sep (406,000 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | −0.2 | 7:10am | 1:30pm | 7:52pm | Hidden |
| Venus | Cnc | −4.2 | 4:10am | 9:18am | 2:26pm | Morning |
| Mars | Sgr | −1.2 | 12:22pm | 7:57pm | 3:34am | Evening |
| Jupiter | Gem | −1.8 | 3:22am | 8:11am | 1:00pm | Morning |
| Saturn | Lib | 0.5 | 9:17am | 4:15pm | 11:13pm | Evening |
| Uranus | Tau | 5.7 | 11:13pm | 4:17am | 9:17am | Morning |
| Neptune | Psc | 7.8 | 7:08pm | 1:10am | 7:08am | Morning |
The solar system — September 2191
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 21 October 2026.