CLEVELAND, Ohio — Cool nights and crisp mornings have teased Northeast Ohio with “false fall” for weeks, but the real thing doesn’t arrive until Sept. 22 — the first official day of autumn.

The autumnal equinox arrives Monday at 2:19 p.m. ET, marking the official start of fall in the Northern Hemisphere. It’s the moment when the sun crosses the celestial equator, bringing nearly equal amounts of daylight and darkness across the globe.

From there, daylight will steadily decrease in Northeast Ohio, with sunsets creeping earlier each evening on the march toward the winter solstice in December — the shortest day of the year.

On Monday, Cleveland will enjoy nearly 12 hours and 9 minutes of daylight, according to timeanddate.com . By the first day of winter on Dec. 21, the region will get

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