Autumn Months [upd] -

| | | Astronomical Autumn | | :--- | :--- | :--- | | Basis | Annual temperature cycle & calendar | Earth's orbit around the sun | | Start Date | September 1 | September Equinox (Sept 22-23) | | End Date | November 30 | December Solstice (Dec 21-22) | | Why? | Easier for climate stats & forecasting | Marks the exact moment of equal day/night |

Autumn, also known as fall, is a season of dramatic change. It’s a time when the energy of summer gives way to the quiet preparation for winter. But which months are autumn? The answer depends on whether you follow the astronomical calendar or the meteorological one. autumn months

This article breaks down the two definitions, what makes each month unique, and how to make the most of this vibrant season. There is a common point of confusion: autumn starts on two different dates depending on the system used. | | | Astronomical Autumn | | :---