There is one Full Moon each year that does something the others don’t: instead of rising 50 minutes later each night, it rises about 25 minutes later for three or four nights in a row. It’s the Harvest Moon—the Full Moon closest to the fall equinox—and this year it falls on Saturday, September 26.
In Lisbon, the Moon rises in the east shortly after 7:00 p.m., with the Sun still in the sky —sunset is around 7:30 p.m. So, for quite a while, you can see both at the same time: the Sun setting over the Tagus River to the west, and the Moon rising, orange and enormous, over Alfama and Parque das Nações.
On Friday, the 25th, it rises around 7:00 p.m.; on Sunday, the 27th, it rises between 7:30 p.m. and 7:40 p.m. Three nights in a row with a nearly full moon in the late afternoon. All you need is a viewpoint facing east—and one of these seven.
Why is this moon different?
The Harvest Moon is the full moon closest to the fall equinox, which this year fell on September 23. Saturday’s full moon reaches its peak before 6:00 p.m., while it’s still light out —when it rises, it’s already 100% full.
The name comes from a pattern that only occurs at this time of year: the Moon’s path meets the eastern horizon at a shallow angle, and from one night to the next, it moves along the horizon rather than staying below it. That’s why it rises at nearly the same time for several nights in a row—extra light that, in the past, gave farmers more time to harvest. This year , it also appears near Saturn, visible to the naked eye an hour after the moon rises.
The 7 Best Viewpoints in Lisbon for Seeing the Harvest Moon
If you’re looking for places to view the Harvest Full Moon in Lisbon, it’s best to choose a spot with an unobstructed view of the eastern horizon. Weather conditions also affect the Moon’s visibility. Even so, here are a few tips:
- Portas do Sol Viewpoint (Alfama): The best vantage point: the Moon rises over the river, above Alfama, with the Pantheon in your line of sight. It’s going to be crowded—arrive early or walk down to Santa Luzia, right next door.
- Senhora do Monte Viewpoint (Graça). The highest point in the city, with an unobstructed view all the way to the Vasco da Gama Bridge. The Sun on one side, the Moon on the other: just turn your head.
- São Pedro de Alcântara Viewpoint (Bairro Alto): It offers an unobstructed view of Baixa and São Jorge Castle, making it a central spot to watch the sunset and gaze at the sky.
- Monsanto Panoramic Viewpoint: 360-degree view: sunset on one side, moonrise on the other, with no buildings in the way.
- Passeio do Tejo, in Parque das Nações: Next to the Vasco da Gama Tower, the horizon is nothing but water. The moon rises over the Mar da Palha, reflected in the river.
- Ribeira das Naus and Cais das Colunas (Baixa): At water level: the Moon rises to the left, over the river, and Terreiro do Paço lights up at the same time. No need to climb any stairs.
- Santuário do Cristo Rei (Almada): Across the bridge, the terrace and outdoor areas offer sweeping views of Lisbon and the Tagus River. However, be sure to check the hours before you go.
Final tips
If the horizon is cloudy, head up to a higher vantage point —the Moon appears above theclouds sooner there. And for that phone photo, include a building or the bridge in the frame: that’s what makes it look huge.
Editor’s Note: Article updated at 1:43 p.m. on September 18, 2026.
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