Top astronomy events for September 2025
From a total lunar eclipse to Saturn shining bright all night long, here are the top astronomy events to mark down on your September calendar.
Fall is almost here, and the time is upon us for September’s full moon, also known as the Corn Moon.
On Sunday, Sept. 7, the moon will reach its peak, according to Space.com. But it will be below the horizon. Fortunately, the moon will still appear full the night it peaks and for a few days after.
Additionally, the day of the moon’s peak will also feature a stellar show: a lunar eclipse! However, it won’t be viewable in North America.
Here’s what you should know about the full moon this month.
When will September’s full moon reach its peak?
The full moon will be at its peak on Sunday, Sept. 7, at 2:09 p.m. ET, according to Space.com.
When will be the best time to see September’s full moon?
The moon will peak while it is below the horizon, but it will still appear full after the sun sets, according to the Farmer’s Almanac.
Will you be able to see September’s full moon?
Between the night of Sunday, Sept. 7, at 8 p.m. ET and Monday, Sept. 8, at 2 a.m. ET, the majority of the U.S. is forecasted to have clear skies, according to the National Weather Service.
Why is it called the Corn Moon?
September’s full moon gets its name, Corn Moon, from its connection to corn harvesting season, according to the Farmer’s Almanac.
September’s moon is also called the following, to honor the transition from summer to fall, according to Almanac:
Autumn MoonFalling Leaves Moon Leaves Turning MoonMoon of Brown LeavesYellow Leaf Moon
Sometimes the moon is also referred to as the Harvest Moon, according to the Farmer’s Almanac. But that title will be given to the October full moon, since it is closest to the autumn equinox.
This will be the first October Harvest moon since 2020, and the swap happens every two to three years.
Can I see the eclipse during the full moon?
Depending on your location during the eclipse, you may be able to see it. But the lunar eclipse will not be visible in North America, according to NASA.
The eclipse can only be seen in the following continents:
EuropeAfricaAsiaAustralia
The next lunar eclipse visible in North and South America will occur on March 3, 2026, according to NASA.
Full moons in 2025
2025 will bring us three more full moons, one in October, November, and December:
Monday, Oct. 6- Harvest/Hunter’s MoonWednesday, Nov. 5- Beaver MoonTuesday, Dec. 4- Cold Moon
Julia is a trending reporter for USA TODAY. Connect with her on LinkedIn, X, Instagram and TikTok: @juliamariegz, or email her at jgomez@gannett.com