Generally, no. August is a summer month in the Northern Hemisphere and a winter month in the Southern Hemisphere. However, as noted above, some traditional calendars (Celtic, Irish) do include August as an autumn month.
If you ask a meteorologist "what months are the fall," they will confidently answer:
Green leaves begin losing chlorophyll, hinting at the vibrant colors to come.
This version is based on the Earth's position relative to the sun. It begins on the autumnal equinox , when day and night are almost equal in length. Nature's Calendar Northern Hemisphere: Starts around September 22 or 23 and ends around December 21 or 22 (the winter solstice). Southern Hemisphere: Starts around March 20 or 21 and ends around June 20 or 21 AccuWeather 2. Meteorological Fall (The "Weather" Calendar) what months are the fall
Green leaves start losing their chlorophyll, revealing hints of yellow and gold.
Ultimately, whether you call it fall or autumn, and whether you track it by the equinox or the start of September, the season remains a universally cherished time of harvest, transformation, and reflection.
Because the Earth takes 365.25 days to orbit the sun, the exact dates of the equinox shift slightly from year to year. Month-by-Month Breakdown (Northern Hemisphere) Generally, no
Scientists, weather forecasters, and astronomers actually define the seasons using two different methods. This creates slightly different start and end dates for the autumn season. Meteorological Fall (Based on the Calendar)
The answer depends on whether you're following the definition (based on annual temperature cycles) or the astronomical definition (based on Earth's position relative to the sun). Here’s the breakdown:
To get a better sense of how the season progresses, it helps to look at how autumn changes from month to month in the Northern Hemisphere. September: The Transition If you ask a meteorologist "what months are
Meteorologists divide the year into four equal three-month quarters. This system aligns perfectly with the start and end of standard calendar months, making it much easier to track climate statistics and weather trends over time.
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