...1914... The morning low temperature dipped to 35 degrees at Newport, Rhode Island. (Late tied in 1957)
...1915... A severe hurricane struck southeastern Louisiana and produced winds to 140 mph in Terrebone Parish. The pressure dropped to 952 millibars (28.11 inches). 90 percent of the buildings were destroyed in the parish. 275 people were killed and 13 million dollars in damage was done.
...1927... An outbreak of tornadoes from Oklahoma to Indiana caused 81 deaths and 25 million dollars damage. A tornado (possibly two tornadoes) cut an eight-mile long path across Saint Louis MO, to Granite City IL, killing 79 persons. The damage path at times was a mile and a quarter in width. The storm followed a similar path to tornadoes which struck in 1871, 1896, and 1959.
...1938... Charleston, South Carolina was hit by a pair of F2 tornadoes which killed 32 and injured 100. Three other tornadoes (all F1) also hit the Charleston this day with total damages of $2 million.
...1959... Hurricane Gracie made landfall near Beaufort, South Carolina with a central pressure around 950 millibars (28.05 inches). Beaufort recorded sustained winds of 97 mph with a peak gust to 138 mph. 10 people were killed in South Carolina and Georgia. As a weakening Gracie moved through the Mid Atlantic area on the 30th, she spawned an F3 tornado at Ivy, Virginia which killed 11 people.
...1959... A storm produced 28 inches of snow at Colorado Springs CO.
...1983... Heavy rains began in central and eastern Arizona which culminated in the worst flood in the history of the state. Eight to ten inch rains across the area caused severe flooding in southeastern Arizona which resulted in thirteen deaths and 178 million dollars damage. President Reagan declared eight counties of Arizona to be disaster areas.
...1985... Denver, Colorado had a morning low of 17 degrees, which set a record low temperature for the month of September. -Grand Island, Nebraska received 2 inches of snow -- its earliest snow on record.
...1986... A week of violent weather began in Oklahoma which culminated in one of the worst flooding events in the history of the state. On the first day of the week early morning thunderstorms caused more than a million dollars damage in south Oklahoma City. Thunderstorms produced 4 to 7 inches of rain from Hobart to Ponca City, and another round of thunderstorms that evening produced 7 to 10 inches of rain in north central and northeastern sections of Oklahoma.
...1987... A slow moving cold front produced rain from the Great Lakes Region to the Central Gulf Coast Region. A late afternoon thunderstorm produced wind gusts to 62 mph at Buffalo NY. Warm weather continued in the western U.S. In Oregon, the afternoon high of 96 degrees at Medford was a record for the date.
...1988... High pressure brought freezing temperatures to parts of Vermont and New York State. Burlington VT dipped to 30 degrees, and Binghamton NY reported a record low of 34 degrees. The high pressure system also brought cold weather to the Central Rocky Mountain Region. Alamosa CO reported a record low of 18 degrees, and Gunnison CO was the cold spot in the nation with a morning low of just five degrees above zero.
...1989... Seven cities reported record high temperatures for the date, as readings soared into the 80s and low 90s in the Northern Plateau and Northern Plains Region. Record highs included 91 degrees at Boise ID, and 92 degrees at Sheridan WY. The high of 100 degrees at Tucson AZ marked their 51st record high of the year, and their 92nd day of 100 degree weather.
...1991... Snow began falling at Caribou, Maine at 8:35 pm and by the time it ended at 2:00 am on the 30th, 2.5 inches had accumulated. This was the first measurable snow ever recorded in September in Caribou.