September – Institute of Atmospheric Physics CAS

02/09/1873 The first International Meteorological Congress was held in Vienna

06/09/1892 * Edward V. Appleton, Nobel Prize winner in 1947 for his discovery of the Appleton layer of the ionosphere.

07/09/1914 * James Van Allen, who discovered the Earth´s radiation belts (+ 9 August 2006)

14/09/1769 * Alexander von Humboldt, one of the founders of physical geography and climatology (+ 6 May 1859)

16/09/1987 Montreal Protocol on Substances that Deplete the Ozone Layer approved

28/09/1889 * Vilho Väisälä, pioneer of aerologic measurements and co-discoverer of the buoyancy frequency (+ 12 August 1969)

28/09/1989 Launch of the MAGION 2 satellite