Supermoon September 2024 Tacoma. This full moon will be a supermoon, illuminating the sky at its brightest at. The supermoon july 13 will be the biggest and brightest supermoon of the year.

Moon gazers will get an extra treat when a partial lunar eclipse shaves a sliver off the top of the full supermoon tuesday night. It looks ever so slightly bigger and brighter, though in practice, the difference is hard to see.