Fall __top__ | What Months Are In

Most national weather services (including NOAA in the U.S. and the Met Office in the U.K.) use this definition. If you check a long-term climate report, fall always means September through November. Then there’s the way people actually live the seasons. Cultural fall often ignores both equinoxes and meteorological convenience.

| Definition | Northern Hemisphere | Southern Hemisphere | |------------|--------------------|--------------------| | Astronomical | Late Sept to late Dec | Late March to late June | | Meteorological | Sept, Oct, Nov | March, April, May | | Cultural (U.S.) | Sept through Nov | (varies by region) | | Phenological | When leaves turn and air chills | When leaves turn and air chills | what months are in fall

Yet there’s a quiet beauty in the ambiguity. Unlike winter’s hard freeze or summer’s scorch, autumn is a season of transition—and transitions resist neat boxes. The months of fall are whatever months hold the first wool sweater, the scent of woodsmoke, the last ripe apple, and the slow, golden surrender of light. Most national weather services (including NOAA in the U