Weather Records on 12 September 1981

424 weather records were set or tied worldwide on 12 September 1981. Highest significance: Tiruchchirapalli, IN.

Key Facts for 12 September 1981

On 12 September 1981, 424 weather records were set or tied at long-record stations worldwide.
198 were record highs and 104 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 415 daily.
Tiruchchirapalli set a daily record precipitation of 119.9 mm (4.7 in) on 12 September 1981.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 413 records.

Record Map

424 stations

424 station records on 12 September 1981 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 September 1981: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tiruchchirapalli	India	Record daily precipitation	119.9 mm (4.7 in)	55 of 100 (Notable)
Kaluga	Russia	Record daily precipitation	34.2 mm (1.3 in)	52 of 100 (Notable)
Timiryazevskij	Russia	Record daily precipitation	96.1 mm (3.8 in)	52 of 100 (Notable)
Vladivostok	Russia	Record daily precipitation	160.2 mm (6.3 in)	50 of 100 (Notable)
Cruz Do Espirito Santo	Brazil	Record daily precipitation	48.6 mm (1.9 in)	49 of 100 (Notable)
Xai Xai	Mozambique	Record daily precipitation	42.4 mm (1.7 in)	47 of 100 (Notable)
Nakhon Si Thammarat	Thailand	Record daily precipitation	67.4 mm (2.7 in)	47 of 100 (Notable)
Vine Creek	Australia	Record daily precipitation	40.3 mm (1.6 in)	46 of 100 (Notable)
Samtredia	Georgia	Record daily precipitation	133.8 mm (5.3 in)	46 of 100 (Notable)
Ulysses 3NE	United States	Record daily precipitation	41.1 mm (1.6 in)	45 of 100 (Notable)
Apatzingan (Smn)	Mexico	Record low minimum temperature	15.0 C (59.0 F)	42 of 100 (Notable)
Muenster	United States	Record daily precipitation	72.4 mm (2.9 in)	37 of 100 (Notable)
Midland	United States	Record high maximum temperature	38.3 C (100.9 F)	36 of 100 (Notable)
Kingfisher	United States	Record daily precipitation	50.8 mm (2.0 in)	34 of 100 (Routine)
Camp Crook	United States	Record high maximum temperature	35.6 C (96.1 F)	34 of 100 (Routine)
Marble Bar Comparison	Australia	Record high maximum temperature	39.3 C (102.7 F)	32 of 100 (Routine)
Sape	Brazil	Record daily precipitation	34.5 mm (1.4 in)	32 of 100 (Routine)
Paradise Valley 1 NW	United States	Record high maximum temperature	35.0 C (95.0 F)	30 of 100 (Routine)
Nikorcminda	Georgia	Record daily precipitation	67.6 mm (2.7 in)	29 of 100 (Routine)
Bend	United States	Record high maximum temperature	32.8 C (91.0 F)	29 of 100 (Routine)
Belle Fourche	United States	Record high maximum temperature	38.3 C (100.9 F)	29 of 100 (Routine)
Port Hedland Airport	Australia	Record high minimum temperature	23.1 C (73.6 F)	28 of 100 (Routine)
Boutilimit	Mauritania	Record daily precipitation	31.0 mm (1.2 in)	28 of 100 (Routine)
Inhambane	Mozambique	Record daily precipitation	107.6 mm (4.2 in)	28 of 100 (Routine)
Dirksland	Netherlands	Record daily precipitation	33.0 mm (1.3 in)	28 of 100 (Routine)
Great Salt Plains Dam	United States	Record daily precipitation	37.1 mm (1.5 in)	28 of 100 (Routine)
Gweru	Zimbabwe	Record low maximum temperature	13.0 C (55.4 F)	28 of 100 (Routine)
Whyanbeel Valley	Australia	Record daily precipitation	40.6 mm (1.6 in)	27 of 100 (Routine)
Colony	United States	Record high maximum temperature	36.1 C (97.0 F)	27 of 100 (Routine)
Mossman Central Mill	Australia	Record daily precipitation	34.8 mm (1.4 in)	26 of 100 (Routine)
Chisos Basin	United States	Record daily precipitation	25.4 mm (1.0 in)	26 of 100 (Routine)
Garden City Rgnl AP	United States	Record daily precipitation	30.2 mm (1.2 in)	26 of 100 (Routine)
Bananeiras	Brazil	Record daily precipitation	25.0 mm (1.0 in)	25 of 100 (Routine)
Ft Lauderdale	United States	Record low minimum temperature	20.0 C (68.0 F)	25 of 100 (Routine)
Redig 11 NE	United States	Record high maximum temperature	35.6 C (96.1 F)	25 of 100 (Routine)
Kaneohe Mauka 781	United States	Record high maximum temperature	31.1 C (88.0 F)	25 of 100 (Routine)
Riito	Mexico	Record low minimum temperature	4.4 C (39.9 F)	24 of 100 (Routine)
Guayama 1SW	Puerto Rico [United States]	Record high minimum temperature	26.7 C (80.1 F)	24 of 100 (Routine)
Morawa	Australia	Record high maximum temperature	32.0 C (89.6 F)	23 of 100 (Routine)
Zugdidi	Georgia	Record daily precipitation	76.7 mm (3.0 in)	23 of 100 (Routine)
Elkhart	United States	Record daily precipitation	39.6 mm (1.6 in)	23 of 100 (Routine)
Hugoton	United States	Record daily precipitation	36.8 mm (1.4 in)	23 of 100 (Routine)
New England	United States	Record high maximum temperature	35.0 C (95.0 F)	23 of 100 (Routine)
Marietta 5SW	United States	Record daily precipitation	35.1 mm (1.4 in)	23 of 100 (Routine)
Ludlow 3 SSE	United States	Record high maximum temperature	37.8 C (100.0 F)	23 of 100 (Routine)
Djavary	Georgia	Record daily precipitation	78.9 mm (3.1 in)	22 of 100 (Routine)
Partizansk	Russia	Record daily precipitation	83.9 mm (3.3 in)	22 of 100 (Routine)
Richfield 10 WSW	United States	Record daily precipitation	29.5 mm (1.2 in)	22 of 100 (Routine)
Big Timber	United States	Record high maximum temperature	33.3 C (91.9 F)	22 of 100 (Routine)
Eureka	United States	Record high maximum temperature	34.4 C (93.9 F)	22 of 100 (Routine)
Mutoko	Zimbabwe	Record low maximum temperature	19.0 C (66.2 F)	22 of 100 (Routine)
Onahama	Japan	Record low maximum temperature	19.4 C (66.9 F)	21 of 100 (Routine)
Palestina (Smn)	Mexico	Record low minimum temperature	13.9 C (57.0 F)	21 of 100 (Routine)
Jacksonville NAS	United States	Record low minimum temperature	16.7 C (62.1 F)	21 of 100 (Routine)
Gunnawarra	Australia	Record daily precipitation	2.4 mm (0.09 in)	20 of 100 (Routine)
Helena 1 SSE	United States	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Kanosh	United States	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Rennes-St Jacques	France	Record daily precipitation	21.2 mm (0.8 in)	20 of 100 (Routine)
Bergschenhoek	Netherlands	Record daily precipitation	22.3 mm (0.9 in)	20 of 100 (Routine)
Gouda	Netherlands	Record daily precipitation	21.5 mm (0.8 in)	20 of 100 (Routine)

Counts by Type and Timescale

424 records

Records set or tied on 12 September 1981 by type: Highest daily maximum 144, Lowest daily maximum 61, Highest daily minimum 54, Lowest daily minimum 43, Heaviest daily rainfall 122.

Records on 12 September 1981 by type
Record type	Records
Highest daily maximum	144
Lowest daily maximum	61
Highest daily minimum	54
Lowest daily minimum	43
Heaviest daily rainfall	122
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 September 1981 by timescale: all-time 0, monthly 9, daily 415.

How Much Records Were Beaten By

314 broken records

Margins by which the 314 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 125.2. Ties are not counted.

Top 20 by Significance

12 September 1981

Top 20 records on 12 September 1981 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 1981	Tiruchchirapalli, IN	daily rain	119.9 mm (4.7 in)	74.4 mm (2.9 in)	26 years	55 of 100 (Notable)
12 September 1981	Kaluga, RU	daily rain	34.2 mm (1.3 in)	23.4 mm (0.9 in)	28 years	52 of 100 (Notable)
12 September 1981	Timiryazevskij, RU	daily rain	96.1 mm (3.8 in)	38.0 mm (1.5 in)	67 years	52 of 100 (Notable)
12 September 1981	Vladivostok, RU	daily rain	160.2 mm (6.3 in)	125.2 mm (4.9 in)	10 years	50 of 100 (Notable)
12 September 1981	Cruz Do Espirito Santo, BR	daily rain	48.6 mm (1.9 in)	33.2 mm (1.3 in)	62 years	49 of 100 (Notable)
12 September 1981	Xai Xai, MZ	daily rain	42.4 mm (1.7 in)	35.1 mm (1.4 in)	24 years	47 of 100 (Notable)
12 September 1981	Nakhon Si Thammarat, TH	daily rain	67.4 mm (2.7 in)	52.1 mm (2.1 in)	16 years	47 of 100 (Notable)
12 September 1981	Vine Creek, AU	daily rain	40.3 mm (1.6 in)	33.2 mm (1.3 in)	8 years	46 of 100 (Notable)
12 September 1981	Samtredia, GE	monthly rain	133.8 mm (5.3 in)	41.6 mm (1.6 in)	17 years	46 of 100 (Notable)
12 September 1981	Ulysses 3NE, US	daily rain	41.1 mm (1.6 in)	25.6 mm (1.0 in)	48 years	45 of 100 (Notable)
12 September 1981	Apatzingan (Smn), MX	daily low min	15.0 C (59.0 F)	5.0 C (9.0 F)	12 years	42 of 100 (Notable)
12 September 1981	Muenster, US	daily rain	72.4 mm (2.9 in)	52.3 mm (2.1 in)	24 years	37 of 100 (Notable)
12 September 1981	Midland, US	daily high max	38.3 C (100.9 F)	2.2 C (4.0 F)	83 years	36 of 100 (Notable)
12 September 1981	Kingfisher, US	daily rain	50.8 mm (2.0 in)	14.2 mm (0.6 in)	64 years	34 of 100 (Routine)
12 September 1981	Camp Crook, US	daily high max	35.6 C (96.1 F)	0.6 C (1.1 F)	86 years	34 of 100 (Routine)
12 September 1981	Marble Bar Comparison, AU	daily high max	39.3 C (102.7 F)	1.0 C (1.8 F)	70 years	32 of 100 (Routine)
12 September 1981	Sape, BR	daily rain	34.5 mm (1.4 in)	21.3 mm (0.8 in)	6 years	32 of 100 (Routine)
12 September 1981	Paradise Valley 1 NW, US	daily high max	35.0 C (95.0 F)	2.2 C (4.0 F)	63 years	30 of 100 (Routine)
12 September 1981	Nikorcminda, GE	daily rain	67.6 mm (2.7 in)	26.4 mm (1.0 in)	4 years	29 of 100 (Routine)
12 September 1981	Bend, US	daily high max	32.8 C (91.0 F)	0.6 C (1.1 F)	68 years	29 of 100 (Routine)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1793 to 1981

Records set or tied on this calendar date in each year from 1793 to 1981. 1981 had 424 records.

Counts for years before the ledger starts come from the same station rules.

Records on 09-12 in each year
Year	Records
1793	2
1809	1
1813	1
1814	2
1834	1
1837	2
1839	1
1847	1
1848	1
1854	4
1859	2
1860	2
1865	2
1866	1
1867	1
1868	2
1869	1
1872	2
1876	1
1878	1
1880	1
1881	1
1882	1
1884	2
1885	2
1886	1
1887	2
1888	2
1889	1
1891	4
1892	1
1893	4
1894	1
1895	5
1896	2
1897	3
1898	3
1899	4
1900	1
1901	5
1902	11
1903	18
1904	7
1905	8
1906	24
1907	11
1908	12
1909	11
1910	4
1911	15
1912	20
1913	12
1914	49
1915	71
1916	21
1917	231
1918	42
1919	69
1920	49
1921	60
1922	136
1923	33
1924	177
1925	443
1926	89
1927	339
1928	155
1929	118
1930	198
1931	648
1932	199
1933	360
1934	176
1935	441
1936	515
1937	318
1938	332
1939	702
1940	891
1941	172
1942	337
1943	544
1944	393
1945	414
1946	302
1947	596
1948	292
1949	512
1950	578
1951	399
1952	575
1953	515
1954	313
1955	457
1956	389
1957	727
1958	783
1959	536
1960	772
1961	750
1962	407
1963	466
1964	836
1965	459
1966	416
1967	510
1968	428
1969	558
1970	619
1971	593
1972	430
1973	588
1974	575
1975	1,102
1976	539
1977	524
1978	952
1979	765
1980	511
1981	424
1982	993
1983	915
1984	700
1985	876
1986	787
1987	686
1988	997
1989	1,313
1990	1,001
1991	672
1992	767
1993	798
1994	550
1995	532
1996	1,014
1997	737
1998	1,770
1999	938
2000	1,188
2001	797
2002	883
2003	830
2004	653
2005	1,032
2006	963
2007	776
2008	1,213
2009	876
2010	939
2011	988
2012	639
2013	1,066
2014	1,374
2015	704
2016	748
2017	1,114
2018	595
2019	884
2020	566
2021	513
2022	739
2023	844
2024	1,009
2025	433
2026	627

Download the Data

Data for records on 1981-09-12: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	293
20 to 40	16
40 to 60	3
60 to 80	1
80 to 100	0
100 to 120	0
120 to 140	1