12 September in Weather History



Station data

Station Data

Records


-- no data for this day --


Statistics

Average temperature
The average temperature on this day is 75.46 °F.
Maximum temperature
The maximum measured temperature on this day was 97.9 °F in 2019 at 14.53.
Minimum temperature
The minimum measured temperature on this day was 57.7 °F in 2021 at 06.10.
Average humidity
The average humidity on this day is 83.12 %.
Maximum humidity
The maximum measured humidity on this day was 98 %.
Minimum humidity
The minimum measured humidity on this day was 43 % in 2025 at 17.19.
Maximum pressure
The maximum measured pressure on this day was 30.28 inhg in 2021 at 10.23.
Minimum pressure
The minimum measured pressure on this day was 29.68 inhg in 2015 at 17.20.
Average wind speed
The average wind speed on this day is 0.33 mph.
Maximum wind speed
The maximum measured wind speed on this day was 14.5 mph in 2026 at 16.58.
Average wind gust
The average wind speed on this day is 0.75 mph.
Maximum wind gust
The maximum measured wind gust on this day was 36.2 mph in 2026 at 16.52.
Maximum precipitation
The maximum daily precipitation measured on this day was 0.72 in in 2015.


US Weather Events

US Weather Events

1882 144 yrs ago
Hot and dry winds caused tree foliage in eastern Kansas to wither and crumble. (David Ludlum)
1977 49 yrs ago
Thunderstorms deluged the Kansas City area with torrential rains in the early morning hours, and then again that evening. Some places were deluged with more than six inches of rain twice that day, with up to 18 inches of rain reported at Independence MO. Flooding claimed the lives of 25 persons. The Country Club Plaza area was hardest hit. 2000 vehicles had to be towed following the storm, 150 of which had to be pulled out of Brush Creek, which runs through the Plaza area. (The Kansas City Weather Almanac)
1979 47 yrs ago
Hurricane Frederick smashed into the Mobile Bay area of Alabama packing 132 mph winds. Winds gusts to 145 mph were reported as the eye of the hurricane moved over Dauphin Island AL, just west of Mobile. Frederick produced a fifteen foot storm surge near the mouth of Mobile Bay. The hurricane was the costliest in U.S. history causing 2.3 billion dollars damage. (David Ludlum)
1987 39 yrs ago
Showers and thunderstorms produced heavy rain which caused flooding in North Carolina, West Virginia, Virginia and Pennsylvania. Parts of Virginia received 3 to 4 inches of rain in just two hours early in the day. Later in the day, three to five inch rains deluged Cumberland County of south central Pennsylvania. Evening thunderstorms produced seven inches of rain at Marysville PA, most of which fell in three hours time. (The National Weather Summary)
1988 38 yrs ago
An afternoon tornado spawned a tornado which skipped across northern sections of Indianapolis IN damaging roofs and automobiles. It was the first tornado in central Indiana in September in nearly forty years of records. Hurricane Gilbert plowed across the island of Jamaica, and by the end of the day was headed for the Cayman Islands, packing winds of 125 mph. (The National Weather Summary)
1989 37 yrs ago
Snow whitened the mountains and foothills of northeastern Colorado, with eight inches reported at Buckhorn Mountain, west of Fort Collins. Two to three inches fell around Denver, causing great havoc during the evening rush hour. Thunderstorms produced severe weather in the Southern Plains Region between mid afternoon and early the next morning. Thunderstorms produced hail three inches in diameter at Roswell NM, and wind gusts greater than 98 mph at Henryetta OK. Thunderstorms also produced torrential rains, with more than seven inches at Scotland TX, and more than six inches at Yukon OK. (National Weather Summary)
Data source: http://www.weatherforyou.com/


World Records

World Records

1961 65 yrs ago
Most intense (unofficial 1-minute maximum sustained winds): 215 mph (345 km/h) tropical cyclone - Typhoon Nancy in northwest Pacific Basin.


F5 tornadoes

F5 tornadoes


-- no data for this day --


Deadly earthquakes

Deadly earthquakes

1955-09-12 06.09 UTC 71 yrs ago
Egypt (map) , 33 km deep Magnitude: 6.7
Total deaths resulting from an earthquake (Utsu catalog)18
Total deaths resulting from an earthquake (Emergency Events Database)20

1979-09-12 05.17 UTC 47 yrs ago
Indonesia (map) , 17.6 km deep Magnitude: 7.5
Secondary effectstsunami
Deaths resulting from earthquake shaking15
Total fatalities resulting from earthquake shaking and secondary effects15
Total deaths resulting from an earthquake (Utsu catalog)15
Total deaths resulting from an earthquake (Emergency Events Database)2

1981-09-12 07.15 UTC 45 yrs ago
Pakistan (map) , 14.7 km deep Magnitude: 6.1
Secondary effectslandslide
Deaths resulting from earthquake shaking220
Total fatalities resulting from earthquake shaking and secondary effects220
Total deaths resulting from an earthquake (Utsu catalog)229
Total deaths resulting from an earthquake (Emergency Events Database)250

2007-09-12 11.10 UTC 19 yrs ago
Indonesia (map) , 34 km deep Magnitude: 8.5
Secondary effectstsunami
Deaths resulting from earthquake shaking25
Total fatalities resulting from earthquake shaking and secondary effects25

2007-09-12 23.49 UTC 19 yrs ago
Indonesia (map) , 37.3 km deep Magnitude: 7.9



Units

Language