Cool nights and morning mists heralded autumn for some time. On Wednesday, September 22 at 9:20 p.m., the sun will be perpendicular to the equator. From an astrological point of view, fall begins then. While we have meteorologists since September 1 fall.
Legend:
September 22, 2021 at 9:20 p.m. is the equinox.
SRF Meteo
The beginning of autumn in meteorology
It’s been up to us meteorologists ever since 1. September The autumn. In order to be able to release statistical data about the weather, we refer to the full three months of the season. Meteorological autumn lasts from the beginning of September to the end of November.
The beginning of autumn in astronomy
Astronomers point out that equinoxes, the so-called Aquinoctium. When the sun is perpendicular to the equator, autumn begins. This is Wednesday 22. September Exactly 9:20 pm. Sometimes the equinox also falls on September 23. Now the nights are longer than the days again. Day length continues to decrease until December 21. Then the sun is at its zenith above the Tropic of Capricorn: we have the winter solstice and the astronomical onset of winter.
Fall season forecast
According to seasonal forecasts from the Federal Bureau of Meteorology and Climatology, there should be a warm autumn in the south: with a probability of 60%, the temperature will be above the long-term average. In the north, autumn is unlikely to be cooler than 20%. Calculations here show above average warm weather.
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