New Moon September 2025. Moon's calendar of september 2025. Is tonight new, waxing crescent, first quarter, waxing gibbous, full, waning gibbous, last quarter, waning crescent, or old.

Supermoons can also happen at the new moon, the opposite time of the lunar month. Below you’ll find the moon phases for the current and next month so that you’ll know exactly when the moon will be a disturbing factor.