Weather Records on 18 September 1976

615 weather records were set or tied worldwide on 18 September 1976. Highest significance: Moura Brasil, BR.

Key Facts for 18 September 1976

On 18 September 1976, 615 weather records were set or tied at long-record stations worldwide.
214 were record highs and 125 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 14 monthly and 601 daily.
Moura Brasil set a monthly record daily precipitation of 73.2 mm (2.9 in) on 18 September 1976.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 420 records.

Record Map

615 stations

615 station records on 18 September 1976 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 1976: highest significance records shown on the map
Station	Country	Type	Value	Significance
Moura Brasil	Brazil	Record daily precipitation	73.2 mm (2.9 in)	61 of 100 (Major)
Brewarrina (Talawanta)	Australia	Record daily precipitation	58.6 mm (2.3 in)	58 of 100 (Notable)
White Sulphur Springs	United States	Record daily precipitation	33.5 mm (1.3 in)	56 of 100 (Notable)
Laguna	Australia	Record daily precipitation	64.2 mm (2.5 in)	52 of 100 (Notable)
Condamine Plains	Australia	Record daily precipitation	62.7 mm (2.5 in)	50 of 100 (Notable)
South West Rocks (Smoky Cape L	Australia	Record daily precipitation	45.2 mm (1.8 in)	50 of 100 (Notable)
Newark	United States	Record daily precipitation	79.2 mm (3.1 in)	50 of 100 (Notable)
Beau Maison	Australia	Record daily precipitation	38.0 mm (1.5 in)	47 of 100 (Notable)
Dillon U of Montana Western	United States	Record daily precipitation	33.0 mm (1.3 in)	47 of 100 (Notable)
Livingston	United States	Record daily precipitation	26.9 mm (1.1 in)	47 of 100 (Notable)
Little Valley	United States	Record daily precipitation	67.3 mm (2.6 in)	47 of 100 (Notable)
Arteaga (Smn)	Mexico	Record daily precipitation	89.9 mm (3.5 in)	46 of 100 (Notable)
Garden City	United States	Record daily precipitation	97.5 mm (3.8 in)	46 of 100 (Notable)
Cheshunt	Australia	Record daily precipitation	34.8 mm (1.4 in)	44 of 100 (Notable)
Kimball 2NE	United States	Record daily precipitation	27.9 mm (1.1 in)	43 of 100 (Notable)
Kurrowah	Australia	Record daily precipitation	53.0 mm (2.1 in)	42 of 100 (Notable)
Warra Post Office	Australia	Record daily precipitation	38.0 mm (1.5 in)	42 of 100 (Notable)
Collerina (Corrella)	Australia	Record daily precipitation	28.0 mm (1.1 in)	42 of 100 (Notable)
Lightning Ridge (Guiseley)	Australia	Record daily precipitation	25.2 mm (1.0 in)	41 of 100 (Notable)
Western Creek	Australia	Record daily precipitation	56.6 mm (2.2 in)	40 of 100 (Notable)
Moree (Talmoi)	Australia	Record daily precipitation	27.6 mm (1.1 in)	40 of 100 (Notable)
Coolatai (Willunga)	Australia	Record daily precipitation	54.4 mm (2.1 in)	40 of 100 (Notable)
Ojo de Agua	Mexico	Record low minimum temperature	5.0 C (41.0 F)	40 of 100 (Notable)
Puerto Madero	Mexico	Record low minimum temperature	12.8 C (55.0 F)	40 of 100 (Notable)
Moore Post Office	Australia	Record daily precipitation	60.0 mm (2.4 in)	39 of 100 (Notable)
Gunbower	Australia	Record daily precipitation	54.0 mm (2.1 in)	39 of 100 (Notable)
Taroom Post Office	Australia	Record daily precipitation	30.0 mm (1.2 in)	38 of 100 (Notable)
Kinnoul	Australia	Record daily precipitation	29.6 mm (1.2 in)	38 of 100 (Notable)
Cambooya Post Office	Australia	Record daily precipitation	47.0 mm (1.9 in)	38 of 100 (Notable)
Drillham Post Office	Australia	Record daily precipitation	28.2 mm (1.1 in)	38 of 100 (Notable)
Coolatai (Orana)	Australia	Record daily precipitation	36.6 mm (1.4 in)	38 of 100 (Notable)
Valmora	United States	Record daily precipitation	29.5 mm (1.2 in)	38 of 100 (Notable)
Brigalow Post Office	Australia	Record daily precipitation	32.5 mm (1.3 in)	37 of 100 (Notable)
Garah (Bengerang)	Australia	Record daily precipitation	34.0 mm (1.3 in)	37 of 100 (Notable)
Englesberg Village	Australia	Record daily precipitation	72.0 mm (2.8 in)	36 of 100 (Notable)
Millmerran Post Office	Australia	Record daily precipitation	62.0 mm (2.4 in)	36 of 100 (Notable)
Tulloona (Coolanga)	Australia	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Poncitlan	Mexico	Record daily precipitation	64.8 mm (2.6 in)	36 of 100 (Notable)
San Pedro	Mexico	Record low maximum temperature	25.0 C (77.0 F)	36 of 100 (Notable)
Tarong	Australia	Record daily precipitation	31.0 mm (1.2 in)	35 of 100 (Notable)
Kogan Post Office	Australia	Record daily precipitation	40.2 mm (1.6 in)	35 of 100 (Notable)
Miles Post Office	Australia	Record daily precipitation	34.6 mm (1.4 in)	35 of 100 (Notable)
Lansdowne House	Canada	Record daily precipitation	39.9 mm (1.6 in)	35 of 100 (Notable)
Haliburton A	Canada	Record high minimum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Woodstock	Canada	Record high minimum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Dallas FAA AP	United States	Record daily precipitation	55.6 mm (2.2 in)	35 of 100 (Notable)
Dalby Post Office	Australia	Record daily precipitation	44.0 mm (1.7 in)	34 of 100 (Routine)
Warrabah	Australia	Record daily precipitation	40.0 mm (1.6 in)	34 of 100 (Routine)
Swan River	Canada	Record high minimum temperature	13.3 C (55.9 F)	34 of 100 (Routine)
Bel'cy	Moldova	Record daily precipitation	37.1 mm (1.5 in)	34 of 100 (Routine)
Chardon	United States	Record daily precipitation	61.0 mm (2.4 in)	34 of 100 (Routine)
Kaneohe Mauka 781	United States	Record daily precipitation	40.1 mm (1.6 in)	34 of 100 (Routine)
Columboola	Australia	Record daily precipitation	33.8 mm (1.3 in)	33 of 100 (Routine)
Los Herreras	Mexico	Record daily precipitation	107.7 mm (4.2 in)	33 of 100 (Routine)
Bushnell 1 E	United States	Record low minimum temperature	15.0 C (59.0 F)	33 of 100 (Routine)
Dillon AP	United States	Record daily precipitation	29.2 mm (1.1 in)	33 of 100 (Routine)
Taabinga	Australia	Record daily precipitation	27.0 mm (1.1 in)	32 of 100 (Routine)
Coolesha	Australia	Record daily precipitation	36.4 mm (1.4 in)	32 of 100 (Routine)
Haden Post Office	Australia	Record daily precipitation	29.0 mm (1.1 in)	32 of 100 (Routine)
Condamine	Australia	Record daily precipitation	35.0 mm (1.4 in)	32 of 100 (Routine)

Counts by Type and Timescale

615 records

Records set or tied on 18 September 1976 by type: Highest daily maximum 60, Lowest daily maximum 45, Highest daily minimum 154, Lowest daily minimum 80, Heaviest daily rainfall 276.

Records on 18 September 1976 by type
Record type	Records
Highest daily maximum	60
Lowest daily maximum	45
Highest daily minimum	154
Lowest daily minimum	80
Heaviest daily rainfall	276
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 September 1976 by timescale: all-time 0, monthly 14, daily 601.

How Much Records Were Beaten By

510 broken records

Margins by which the 510 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 85.9. Ties are not counted.

Top 20 by Significance

18 September 1976

Top 20 records on 18 September 1976 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 1976	Moura Brasil, BR	monthly rain	73.2 mm (2.9 in)	31.2 mm (1.2 in)	23 years	61 of 100 (Major)
18 September 1976	Brewarrina (Talawanta), AU	daily rain	58.6 mm (2.3 in)	49.2 mm (1.9 in)	30 years	58 of 100 (Notable)
18 September 1976	White Sulphur Springs, US	daily rain	33.5 mm (1.3 in)	24.6 mm (1.0 in)	29 years	56 of 100 (Notable)
18 September 1976	Laguna, AU	daily rain	64.2 mm (2.5 in)	58.4 mm (2.3 in)	30 years	52 of 100 (Notable)
18 September 1976	Condamine Plains, AU	daily rain	62.7 mm (2.5 in)	31.2 mm (1.2 in)	30 years	50 of 100 (Notable)
18 September 1976	South West Rocks (Smoky Cape L, AU	daily rain	45.2 mm (1.8 in)	38.6 mm (1.5 in)	32 years	50 of 100 (Notable)
18 September 1976	Newark, US	daily rain	79.2 mm (3.1 in)	59.1 mm (2.3 in)	18 years	50 of 100 (Notable)
18 September 1976	Beau Maison, AU	daily rain	38.0 mm (1.5 in)	26.6 mm (1.0 in)	30 years	47 of 100 (Notable)
18 September 1976	Dillon U of Montana Western, US	daily rain	33.0 mm (1.3 in)	22.8 mm (0.9 in)	19 years	47 of 100 (Notable)
18 September 1976	Livingston, US	daily rain	26.9 mm (1.1 in)	15.5 mm (0.6 in)	52 years	47 of 100 (Notable)
18 September 1976	Little Valley, US	daily rain	67.3 mm (2.6 in)	38.1 mm (1.5 in)	31 years	47 of 100 (Notable)
18 September 1976	Arteaga (Smn), MX	daily rain	89.9 mm (3.5 in)	71.1 mm (2.8 in)	12 years	46 of 100 (Notable)
18 September 1976	Garden City, US	daily rain	97.5 mm (3.8 in)	62.7 mm (2.5 in)	2 years	46 of 100 (Notable)
18 September 1976	Cheshunt, AU	daily rain	34.8 mm (1.4 in)	29.0 mm (1.1 in)	31 years	44 of 100 (Notable)
18 September 1976	Kimball 2NE, US	daily rain	27.9 mm (1.1 in)	13.2 mm (0.5 in)	66 years	43 of 100 (Notable)
18 September 1976	Kurrowah, AU	daily rain	53.0 mm (2.1 in)	19.7 mm (0.8 in)	59 years	42 of 100 (Notable)
18 September 1976	Warra Post Office, AU	daily rain	38.0 mm (1.5 in)	15.1 mm (0.6 in)	73 years	42 of 100 (Notable)
18 September 1976	Collerina (Corrella), AU	daily rain	28.0 mm (1.1 in)	15.8 mm (0.6 in)	55 years	42 of 100 (Notable)
18 September 1976	Lightning Ridge (Guiseley), AU	daily rain	25.2 mm (1.0 in)	25.2 mm (1.0 in)	40 years	41 of 100 (Notable)
18 September 1976	Western Creek, AU	monthly rain	56.6 mm (2.2 in)	5.3 mm (0.21 in)	59 years	40 of 100 (Notable)

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

1803 to 1976

Records set or tied on this calendar date in each year from 1803 to 1976. 1976 had 615 records.

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

Records on 09-18 in each year
Year	Records
1803	1
1811	1
1814	1
1819	1
1829	1
1832	1
1834	1
1835	1
1837	2
1847	2
1848	1
1849	1
1851	4
1859	1
1861	1
1865	1
1869	1
1871	1
1875	1
1876	2
1877	1
1879	1
1880	1
1881	1
1882	1
1885	1
1886	4
1889	6
1890	1
1891	1
1893	4
1894	2
1895	2
1896	4
1897	3
1898	5
1899	3
1900	2
1901	10
1902	8
1903	58
1904	6
1905	22
1906	16
1907	4
1908	11
1909	17
1910	5
1911	8
1912	43
1913	44
1914	56
1915	41
1916	58
1917	99
1918	57
1919	48
1920	56
1921	213
1922	45
1923	114
1924	62
1925	269
1926	205
1927	189
1928	114
1929	309
1930	124
1931	429
1932	226
1933	370
1934	188
1935	281
1936	155
1937	422
1938	373
1939	190
1940	402
1941	318
1942	1,001
1943	624
1944	503
1945	732
1946	576
1947	927
1948	427
1949	356
1950	370
1951	320
1952	340
1953	245
1954	446
1955	672
1956	587
1957	429
1958	491
1959	829
1960	351
1961	478
1962	360
1963	453
1964	282
1965	1,172
1966	498
1967	357
1968	763
1969	424
1970	377
1971	1,245
1972	691
1973	593
1974	559
1975	976
1976	615
1977	619
1978	1,162
1979	709
1980	652
1981	1,671
1982	603
1983	936
1984	951
1985	636
1986	730
1987	1,244
1988	997
1989	778
1990	904
1991	1,377
1992	821
1993	747
1994	852
1995	935
1996	1,237
1997	935
1998	1,038
1999	583
2000	1,146
2001	993
2002	828
2003	815
2004	1,027
2005	781
2006	1,309
2007	670
2008	697
2009	692
2010	1,040
2011	1,050
2012	922
2013	666
2014	682
2015	934
2016	893
2017	518
2018	1,200
2019	768
2020	682
2021	582
2022	613
2023	639
2024	687
2025	471
2026	864

Download the Data

Data for records on 1976-09-18: 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	474
20 to 40	28
40 to 60	5
60 to 80	2
80 to 100	1