The Sky over the Mornington Peninsula — September 2113
Highlights this month
- 16SatThe Moon passes Jupiter — 2° apart. (2:20am)
- 17SunMercury at greatest evening elongation (27° from the Sun, mag 0.1) — best evening apparition. (1:35am)
- 19TueSaturn at opposition — closest and brightest of the year, up all night in Pisces (mag 0.6). (1:36am)
- 23SatSpring equinox.
- 25MonThe Moon passes Saturn — 3° apart. (8:00am)
- 25MonUranus is stationary — begins retrograde (westward) motion. (12:09pm)
- 30SatMercury is stationary — begins retrograde (westward) motion. (1:24am)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Fri 1 | 6:43am | 5:58pm | 11h 16m | 7:26pm | 5:15am |
| Sun 10 | 6:29am | 6:06pm | 11h 37m | 7:33pm | 5:01am |
| Wed 20 | 6:13am | 6:14pm | 12h 01m | 7:43pm | 4:45am |
| Sat 30 | 5:58am | 6:23pm | 12h 26m | 7:53pm | 4:28am |
Days lengthen by about 70 minutes over the month.
The Moon
- Last QuarterSun 3, 1:47am
- New MoonSun 10, 2:02pm
- First QuarterMon 18, 6:27pm
- Full MoonMon 25, 7:15pm
Apogee 14 Sep (405,800 km) · Perigee 26 Sep (358,400 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | 0.1 | 7:16am | 1:50pm | 8:24pm | Evening |
| Venus | Leo | −3.7 | 5:32am | 10:56am | 4:19pm | Hidden |
| Mars | Leo | 1.8 | 6:08am | 11:48am | 5:28pm | Hidden |
| Jupiter | Lib | −1.7 | 9:06am | 4:07pm | 11:08pm | Evening |
| Saturn | Psc | 0.6 | 6:17pm | 12:35am | 6:49am | All night |
| Uranus | Tau | 5.7 | 1:16am | 6:00am | 10:44am | Morning |
| Neptune | Vir | 8.0 | 7:24am | 1:40pm | 7:56pm | Hidden |
The solar system — September 2113
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 7 September 2026.