Growing up just a few miles upstream from Santa Cruz, California, September was our favorite time to spend endless hours in the swimming holes along the San Lorenzo River. With the tourists gone after Labor Day, the days were hot, dry, and made for being outside in the magic of “Indian Summer.”

Yet school always beckoned, vacations ended, and the sun’s arc sank lower each day as the Autumnal Equinox drew near. By October, change was undeniable: maples and sycamores turned color, watermelons gave way to pumpkins, squirrels busied themselves for winter. Still, we insisted, it was almost summer.

Decades later, I still feel that in-between quality of the season. Add in the effects of global warming and it can seem like summer never ends. Yet the shift is real – routines reset, energies rebalance, and our senses reveal the turning of the year.

The Autumn Equinox – September 22 this year – marks the midpoint between summer and winter. For traditional cultures attuned to nature’s rhythms, ...