Moon phase today: What the Moon will look like on September 15, 2026
See the Moon phase expected for September 15, 2026 as well as when the next Full Moon is expected.
On September 15, 2026, the Moon will be in the Waxing Crescent phase according to NASA's Daily Moon Guide tracker. At this stage, 18% of the Moon's surface will be visible to the naked eye. This is the first time since a period of no visibility that lunar features will once again be observable. With the aid of binoculars or a telescope, observers may also spot the Mare Crisium and Mare Fecunditatis, as well as the Endymion Crater.
The Moon's phases are determined by its position relative to the Earth and Sun, which results in varying portions of its illuminated side being visible to us on Earth. The Moon takes approximately 29.5 days to complete one orbit around our planet, during which time we observe a series of eight distinct phases. These phases include New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Third Quarter (or Last Quarter), and Waning Crescent.
Each phase is characterized by the Moon's position relative to the Earth and Sun, which determines the proportion of the illuminated side that is visible from our perspective. For instance, during the Waxing Crescent phase, a small sliver of light appears on the right side of the Moon (Northern Hemisphere), while during the First Quarter phase, half of the Moon is illuminated on the right side, giving it a half-Moon appearance.
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