The Sky over the Mornington Peninsula — September 2091
Highlights this month
- 8SatThe Moon passes Saturn — 3° apart. (12:36pm)
- 8SatJupiter is stationary — resumes direct (eastward) motion. (4:00pm)
- 10MonMercury in superior conjunction with the Sun — lost in the glare. (11:31am)
- 10MonUranus at opposition — closest and brightest of the year, up all night in Aquarius (mag 5.8). (4:25pm)
- 21FriThe Moon passes Jupiter — 4° apart. (1:56pm)
- 23SunSpring equinox.
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Sat 1 | 6:42am | 5:58pm | 11h 16m | 7:26pm | 5:14am |
| Mon 10 | 6:28am | 6:06pm | 11h 38m | 7:34pm | 5:01am |
| Thu 20 | 6:13am | 6:15pm | 12h 02m | 7:43pm | 4:45am |
| Sun 30 | 5:57am | 6:23pm | 12h 26m | 7:53pm | 4:28am |
Days lengthen by about 70 minutes over the month.
The Moon
- Last QuarterThu 6, 1:50pm
- New MoonThu 13, 7:38pm
- First QuarterThu 20, 10:07am
- Full MoonFri 28, 2:02am
Apogee 3 Sep (405,400 km) · Perigee 15 Sep (360,700 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | −1.3 | 6:38am | 12:34pm | 6:30pm | Hidden |
| Venus | Vir | −3.7 | 7:01am | 1:09pm | 7:18pm | Hidden |
| Mars | Lib | 1.2 | 8:35am | 3:35pm | 10:34pm | Evening |
| Jupiter | Sgr | −2.2 | 12:15pm | 7:36pm | 3:01am | Evening |
| Saturn | Gem | −0.0 | 2:32am | 7:20am | 12:07pm | Morning |
| Uranus | Aqr | 5.8 | 5:37pm | 11:56pm | 6:20am | All night |
| Neptune | Leo | 8.0 | 5:23am | 10:45am | 4:07pm | Hidden |
The solar system — September 2091
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.
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Generated automatically from the MPAS sky engine on 29 August 2026.