September 1
edit1958: Hurricane Ella made landfall on the Tiburon Peninsula of Haiti, killing 30 people in Les Cayes.
September 2
edit1937: A severe typhoon struck Hong Kong with wind gusts over 130 knots (150 mph; 240 km/h), killing 11,000 people.
September 3
edit1989: Cubana de Aviación Flight 9646 flew into a thunderstorm and crashed shortly after takeoff from José Martí International Airport near Havana, Cuba, killing 150 people (126 on board plus 24 people on the ground). The crash was caused by downburst-induced wind shear resulting in an abrupt loss of altitude.
September 4
edit1933: The strongest hurricane to strike the United States during the hyperactive 1933 Atlantic hurricane season made landfall near Jupiter, Florida.
September 5
edit1966: Hurricane Faith struck the Faroe Islands as the northernmost tropical cyclone in history, with winds of over 100 miles per hour (160 km/h).
September 6
edit2005: Typhoon Nabi made landfall near Isahaya, Nagasaki, Japan, killing 29 people across the country.
September 7
edit1804: A hurricane struck Georgia and South Carolina in the Southeastern United States, killing more than 500 people.
September 8
edit1988: After months of drought and days of high winds, Yellowstone National Park was closed to all non-emergency personnel due to the proximity of intense wildfires.
September 9
edit1913: A German zeppelin flew into a storm over the North Sea. It crashed and sank, killing 14 people.
September 10
edit1994: Hurricane John became extratropical, ending its 31-day existence as a tropical cyclone, the longest in history.
September 11
edit1944: The Somers-class destroyer USS Warrington was sunk by a storm dubbed The Great Atlantic Hurricane off the coast of The Bahamas. Of the 321 officers and crew aboard, only 73 were rescued.
September 12
edit1992: Hurricane Iniki devastated the island of Kauai, causing more than $2 billion (2006 USD) in damage.
September 13
edit1948: A hurricane passed just west of Bermuda, causing major damage on the island and killing six people.
September 14
edit1876: The San Felipe hurricane hit Puerto Rico, killing at least 19 people on the island, though the number may have been higher than reported.
September 15
edit1995: Hurricane Ismael struck the Mexican state of Sinaloa, killing 116 people.
September 16
edit1984: Tropical Storm Fran passed just south of the Cape Verde islands, causing severe flooding that killed at least 29 people.
September 17
edit2001: Typhoon Nari brought up to 800 millimetres (31 in) of rain in a single day to parts of Taiwan, causing major flooding which killed more than 100 people.
September 18
edit1852: Clement Lindley Wragge, a meteorologist who pioneered the concept of giving names to tropical cyclones, was born in Stourbridge, Worcestershire, England.
September 19
edit2012: Hurricane Nadine, one of the longest-lived tropical cyclones on record in the Atlantic Ocean, passed about 150 miles (240 km) south-southwest of Flores Island, Azores. Despite maintaining tropical storm strength or greater for 21 days, this was the storm's closest approach to land, and no damage or injuries were reported.
September 20
edit2017: Hurricane Maria, one of the strongest Atlantic hurricanes on record, made landfall on Puerto Rico near its peak intensity, killing 64 people directly and causing catastrophic damage that left the entire island without power. This lack of power would eventually lead to 3,000 more deaths in the coming months.
September 21
edit1934: A violent typhoon, one of the strongest on record to strike land, killed more than 3,000 people in southern Japan.
September 22
edit1980: Tropical Storm Hermine made landfall near Belize City, with maximum sustained winds of 70 miles per hour (110 km/h).
September 23
edit1815: One of the most powerful tropical cyclones ever to strike New England came ashore along the coast of Long Island, causing major damage across several states and killing 38 people.
September 24
edit1929: A major hurricane began to move through the northern Bahamas, causing major damage and killing 48 people in the country.
September 25
edit1846: Wladimir Köppen, developer of the Köppen climate classification system, was born in Russia.
September 26
edit1958: Typhoon Ida made landfall in southeastern Honshu, Japan, killing more than 1,000 people.
September 27
edit1888: A network of weather observing stations was established in Serbia, with the First Serbian Observatory as the main meteorological center that would eventually be come the Republic Hydrometeorological Institute of Serbia.
September 28
edit1917: A major hurricane made landfall near Fort Walton Beach, Florida, with maximum sustained winds of 115 miles per hour (185 km/h)). This was the strongest hurricane to impact the Florida Panhandle until Hurricane Opal almost 80 years later.
September 29
edit1917: A major hurricane struck the northern Gulf Coast of the United States, though only 10 people were killed due to warnings well in advance of the storm.
September 30
edit1966: Hurricane Inez, which killed nearly 1000 people across several Caribbean islands, made landfall at Guantánamo Bay, Cuba.