September New Moon 2025

On September 21, 2025 the moon reaches its minimum brightness. Therefore it is called new moon.

We have placed a detailed description of this event on this page: 2nd December New Moon 2024. For further information please stop by there!

Where is September New Moon?

Eastcoast (USA)

EST Eastern Standard Time / UTC-05

When is September New Moon?

Sunday, the 21st of September 2025

Only 269 days left!

More dates:

September 21, 2025 in EST Eastern Standard Time / UTC-05