The Sky over the Mornington Peninsula — September 2105
Highlights this month
- 4FriThe Moon passes Mars — 4° apart. (1:13pm)
- 16WedThe Moon passes Saturn — 0.5° apart. (1:28pm)
- 21MonNeptune in superior conjunction with the Sun — lost in the glare. (12:39pm)
- 23WedSpring equinox.
- 26SatJupiter at opposition — closest and brightest of the year, up all night in Pisces (mag −2.8). (9:14pm)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Tue 1 | 6:43am | 5:58pm | 11h 15m | 7:26pm | 5:15am |
| Thu 10 | 6:29am | 6:06pm | 11h 37m | 7:33pm | 5:01am |
| Sun 20 | 6:13am | 6:14pm | 12h 01m | 7:42pm | 4:45am |
| Wed 30 | 5:58am | 6:23pm | 12h 25m | 7:53pm | 4:28am |
Days lengthen by about 70 minutes over the month.
The Moon
- Last QuarterTue 1, 9:35pm
- New MoonTue 8, 10:19pm
- First QuarterWed 16, 10:33pm
- Full MoonThu 24, 10:35am
Apogee 15 Sep (404,900 km) · Perigee 27 Sep (364,800 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | −0.5 | 7:01am | 1:13pm | 7:25pm | Hidden |
| Venus | Leo | −3.7 | 5:31am | 10:53am | 4:16pm | Hidden |
| Mars | Gem | 1.2 | 3:37am | 8:25am | 1:13pm | Morning |
| Jupiter | Psc | −2.7 | 7:01pm | 1:06am | 7:07am | Morning |
| Saturn | Oph | 0.4 | 10:41am | 5:56pm | 1:15am | Evening |
| Uranus | Ari | 5.7 | 10:26pm | 3:39am | 8:48am | Morning |
| Neptune | Vir | 8.0 | 6:42am | 12:38pm | 6:34pm | Hidden |
The solar system — September 2105
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 4 September 2026.