September 2031 Planet Parade: 4 planets in the morning sky
Best seen the morning of Thursday, September 18, 2031.
From mid-northern latitudes (around 40°N), look toward the southeast about 48 minutes before sunrise. 4 planets line up, 2 visible to the naked eye, plus 2 with binoculars or a telescope. Good mornings run from Aug 26, 2031 to Oct 10, 2031.
- Venus · 27° up in E
- Saturn · 69° up in SSE
- Uranus (telescope) · 69° up in SE
- Neptune (telescope) · 28° up in WSW
Venus, Saturn, Uranus and Neptune share the morning sky around Sep 18, 2031. Below: what each planet looks like, how to catch the line-up, and how this parade compares with its neighbors.
Astronomers do not schedule planet parades; the sky does. Whenever several planets happen to stand above the horizon together, strung along the ecliptic like beads on one string, the name applies. The geometry is pure line of sight, with the planets separated by hundreds of millions of kilometers in depth. This page is computed for mid-northern latitudes (around 40°N); the live tracker redraws it for wherever you are.
Planet by planet
Venus sits a comfortable 27° above the horizon in the east. Its cloud tops reflect about three quarters of the sunlight that hits them, which is why it outshines every star.
Saturn rides high, about 69° up in the south-southeast, well clear of any horizon haze. Even at its best Saturn is a modest golden point to the eye, and only a telescope reveals the rings that made it famous.
Uranus rides high, about 69° up in the southeast, well clear of any horizon haze. Uranus glows right at the naked-eye limit near magnitude 5.7, so it hides in plain sight until binoculars and a chart pin it down.
Neptune sits a comfortable 28° above the horizon in the west-southwest. Neptune was found in 1846 exactly where mathematics said it would be, the first planet discovered by calculation rather than by accident.
On the zodiac that morning, Venus stands in Leo; Saturn and Uranus share Gemini; Neptune stands in Aries. Signs here are the tropical longitudes the tables on this site use, counted from 0° at the spring equinox.
How to watch this parade
Set an alarm: the sweet spot is about 48 minutes before local sunrise on Thursday, September 18, 2031, late enough that every planet in the list has cleared the horizon, early enough that dawn has not yet washed out the faint ones.
The limiting planet is Venus at only about 27° up, so pick a viewing spot with an unobstructed view toward the east. The line stretches about 120° along the ecliptic, so sweep your gaze along the Sun's daily path to trace it.
One pairing stands out this time: Saturn and Uranus sit about 4° apart, close enough to frame together in binoculars or a single photo.
You need no equipment for Venus and Saturn; Uranus and Neptune are the reason to bring binoculars or a small telescope.
How good is this one?
Our tracker scores every parade from 0 to 100. This one rates 56 out of 100: 20 of 35 points for the number of planets, 10 of 25 for naked-eye planets, 7 of 20 for how tightly they group, 10 of 10 for altitude, and 9 of 10 for staying power.
The window is forgiving: good mornings run for roughly 6 weeks (Aug 26, 2031 to Oct 10, 2031), so one cloudy night costs you nothing. The previous parade over this reference location peaked in May 2031 with 4 planets; the next comes in December 2031 with 4 planets.
Should you expect any earthly effects? None. The lined-up planets pull on Earth no harder for being on the same side of the sky, and their combined tidal effect remains thousands of times weaker than the Moon's routine pull. Earthquakes, weather and tides take no notice. The only real effect is the crowd of people outside looking up.
Frequently asked questions
Which planets are part of the September 2031 planet parade?
Venus, Saturn, Uranus and Neptune. Venus and Saturn are visible to the naked eye; Uranus and Neptune need binoculars or a telescope.
What time should I look for the September 2031 planet parade?
Set an alarm for about 48 minutes before local sunrise, with the best morning on Thursday, September 18, 2031. Good mornings run from Aug 26, 2031 to Oct 10, 2031.
Do I need a telescope to see this planet parade?
Not for the highlights: Venus and Saturn show with the unaided eye. You only need binoculars or a telescope for Uranus and Neptune.
Where in the sky should I look?
Face the southeast about 48 minutes before sunrise. The planets sit between about 27° and 69° above the horizon, strung along the ecliptic.
Keep exploring: the Planet Parade Tracker for any date and place, the Planetary Alignment Calculator for exact conjunction dates, and the Synodic-Period Calculator for how often two planets meet.