Moon Calendar September 2025. Here are the 12 full moon dates of 2025, according to the old farmer's almanac full moon calendar. This month will begin on monday, september 1 st with a phase that will be illuminated.
Observe the phases of the moon with our handy lunar calendar. Is tonight new, waxing crescent, first quarter, waxing gibbous, full, waning gibbous, last quarter, waning crescent, or old.