Weather Records on 20 September 1989

968 weather records were set or tied worldwide on 20 September 1989. Highest significance: Afogados da Ingazeira (Dnocs), BR.

Key Facts for 20 September 1989

On 20 September 1989, 968 weather records were set or tied at long-record stations worldwide.
383 were record highs and 143 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 28 monthly and 940 daily.
Afogados da Ingazeira (Dnocs) set a monthly record daily precipitation of 89.0 mm (3.5 in) on 20 September 1989.
Across 156 earlier years (1812 to 2026) the same calendar date averaged 439 records.

Record Map

968 stations

968 station records on 20 September 1989 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 September 1989: highest significance records shown on the map
Station	Country	Type	Value	Significance
Afogados da Ingazeira (Dnocs)	Brazil	Record daily precipitation	89.0 mm (3.5 in)	70 of 100 (Major)
Lowville	United States	Record daily precipitation	58.4 mm (2.3 in)	70 of 100 (Major)
Flores (Dnocs)	Brazil	Record daily precipitation	48.4 mm (1.9 in)	68 of 100 (Major)
Tupper Lake Sunmount	United States	Record daily precipitation	74.9 mm (2.9 in)	68 of 100 (Major)
Newton	United States	Record daily precipitation	125.0 mm (4.9 in)	64 of 100 (Major)
Towanda 1 S	United States	Record daily precipitation	57.7 mm (2.3 in)	63 of 100 (Major)
Lambertville	United States	Record daily precipitation	115.6 mm (4.6 in)	60 of 100 (Major)
Ithaca Cornell UNIV	United States	Record daily precipitation	46.2 mm (1.8 in)	59 of 100 (Notable)
W Chester 2 NW	United States	Record daily precipitation	111.8 mm (4.4 in)	59 of 100 (Notable)
La Union	Mexico	Record daily precipitation	184.7 mm (7.3 in)	56 of 100 (Notable)
Midwest	United States	Record daily precipitation	37.3 mm (1.5 in)	56 of 100 (Notable)
Dillinger	United States	Record daily precipitation	38.6 mm (1.5 in)	55 of 100 (Notable)
Elizabethtown	United States	Record daily precipitation	58.2 mm (2.3 in)	54 of 100 (Notable)
Coyuquilla	Mexico	Record daily precipitation	189.5 mm (7.5 in)	53 of 100 (Notable)
Ny Westerleigh Stat Is	United States	Record daily precipitation	89.4 mm (3.5 in)	52 of 100 (Notable)
Port Jervis	United States	Record daily precipitation	96.8 mm (3.8 in)	52 of 100 (Notable)
Le Roy	United States	Record daily precipitation	53.3 mm (2.1 in)	52 of 100 (Notable)
Takle	Norway	Record daily precipitation	132.0 mm (5.2 in)	51 of 100 (Notable)
Korsakov	Russia	Record daily precipitation	62.3 mm (2.5 in)	51 of 100 (Notable)
Flemington 5 NNW	United States	Record daily precipitation	120.4 mm (4.7 in)	51 of 100 (Notable)
Lake Placid 2 S	United States	Record daily precipitation	61.7 mm (2.4 in)	51 of 100 (Notable)
Padun	Russia	Record daily precipitation	31.0 mm (1.2 in)	50 of 100 (Notable)
Essex Fells Svc Bldg	United States	Record daily precipitation	94.0 mm (3.7 in)	49 of 100 (Notable)
Miller	United States	Record daily precipitation	76.2 mm (3.0 in)	49 of 100 (Notable)
Zunyi	China	Record daily precipitation	60.2 mm (2.4 in)	46 of 100 (Notable)
Dunderlandsdalen	Norway	Record daily precipitation	61.3 mm (2.4 in)	46 of 100 (Notable)
Oxford	United Kingdom	Record high maximum temperature	25.2 C (77.4 F)	46 of 100 (Notable)
High Point Park	United States	Record daily precipitation	112.5 mm (4.4 in)	46 of 100 (Notable)
Northville	United States	Record daily precipitation	66.5 mm (2.6 in)	46 of 100 (Notable)
Matamoras	United States	Record daily precipitation	94.5 mm (3.7 in)	46 of 100 (Notable)
Zionsville 3 ESE	United States	Record daily precipitation	75.4 mm (3.0 in)	46 of 100 (Notable)
Alpine	United States	Record daily precipitation	25.4 mm (1.0 in)	46 of 100 (Notable)
Devils Twr #2	United States	Record daily precipitation	35.3 mm (1.4 in)	46 of 100 (Notable)
Piacabucu	Brazil	Record daily precipitation	64.0 mm (2.5 in)	45 of 100 (Notable)
Rahway	United States	Record daily precipitation	94.0 mm (3.7 in)	45 of 100 (Notable)
N Creek 5 SE	United States	Record daily precipitation	58.4 mm (2.3 in)	45 of 100 (Notable)
Chadds Ford 2 NE	United States	Record daily precipitation	109.2 mm (4.3 in)	45 of 100 (Notable)
Ico	Brazil	Record daily precipitation	29.8 mm (1.2 in)	44 of 100 (Notable)
Gagnoa	Cote D'Ivoire	Record daily precipitation	88.9 mm (3.5 in)	44 of 100 (Notable)
Long Valley	United States	Record daily precipitation	141.5 mm (5.6 in)	44 of 100 (Notable)
Morris Plains 1 W	United States	Record daily precipitation	89.2 mm (3.5 in)	44 of 100 (Notable)
Moorcroft 3S	United States	Record daily precipitation	47.0 mm (1.9 in)	44 of 100 (Notable)
Kremsmuenster	Austria	Record high minimum temperature	16.9 C (62.4 F)	43 of 100 (Notable)
Penedo	Brazil	Record daily precipitation	58.2 mm (2.3 in)	43 of 100 (Notable)
Inari Ivalo Lentoasema	Finland	Record daily precipitation	28.6 mm (1.1 in)	43 of 100 (Notable)
Newark Ag Farm	United States	Record daily precipitation	39.4 mm (1.6 in)	43 of 100 (Notable)
Ringwood	United States	Record daily precipitation	63.5 mm (2.5 in)	43 of 100 (Notable)
Woodcliff Lake	United States	Record daily precipitation	95.5 mm (3.8 in)	43 of 100 (Notable)
Indian Lake 2SW	United States	Record daily precipitation	55.4 mm (2.2 in)	43 of 100 (Notable)
Wanakena Rngr School	United States	Record daily precipitation	49.0 mm (1.9 in)	43 of 100 (Notable)
Camp Crook	United States	Record daily precipitation	35.6 mm (1.4 in)	43 of 100 (Notable)
Onida 4 NW	United States	Record daily precipitation	38.9 mm (1.5 in)	43 of 100 (Notable)
Newcastle	United States	Record daily precipitation	26.4 mm (1.0 in)	43 of 100 (Notable)
Willow Grove NAS	United States	Record daily precipitation	76.5 mm (3.0 in)	43 of 100 (Notable)
Bundaberg Post Office	Australia	Record high maximum temperature	31.3 C (88.3 F)	42 of 100 (Notable)
Conklingville Dam	United States	Record daily precipitation	56.6 mm (2.2 in)	42 of 100 (Notable)
Laguardia AP	United States	Record daily precipitation	43.7 mm (1.7 in)	42 of 100 (Notable)
Pierre Rgnl AP	United States	Record daily precipitation	67.3 mm (2.6 in)	42 of 100 (Notable)
Praha-Klementinum	Czech Republic	Record high minimum temperature	17.6 C (63.7 F)	41 of 100 (Notable)
Cortland	United States	Record daily precipitation	58.2 mm (2.3 in)	41 of 100 (Notable)

Counts by Type and Timescale

968 records

Records set or tied on 20 September 1989 by type: Highest daily maximum 151, Lowest daily maximum 83, Highest daily minimum 232, Lowest daily minimum 60, Heaviest daily rainfall 439, Heaviest daily snowfall 2, Deepest snow cover 1.

Records on 20 September 1989 by type
Record type	Records
Highest daily maximum	151
Lowest daily maximum	83
Highest daily minimum	232
Lowest daily minimum	60
Heaviest daily rainfall	439
Heaviest daily snowfall	2
Deepest snow cover	1

Records on 20 September 1989 by timescale: all-time 0, monthly 28, daily 940.

How Much Records Were Beaten By

845 broken records

Margins by which the 845 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 148.1. Ties are not counted.

Top 20 by Significance

20 September 1989

Top 20 records on 20 September 1989 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 September 1989	Afogados da Ingazeira (Dnocs), BR	monthly rain	89.0 mm (3.5 in)	61.1 mm (2.4 in)	45 years	70 of 100 (Major)
20 September 1989	Lowville, US	daily rain	58.4 mm (2.3 in)	30.2 mm (1.2 in)	94 years	70 of 100 (Major)
20 September 1989	Flores (Dnocs), BR	monthly rain	48.4 mm (1.9 in)	22.9 mm (0.9 in)	56 years	68 of 100 (Major)
20 September 1989	Tupper Lake Sunmount, US	daily rain	74.9 mm (2.9 in)	47.2 mm (1.9 in)	64 years	68 of 100 (Major)
20 September 1989	Newton, US	daily rain	125.0 mm (4.9 in)	71.2 mm (2.8 in)	51 years	64 of 100 (Major)
20 September 1989	Towanda 1 S, US	daily rain	57.7 mm (2.3 in)	31.5 mm (1.2 in)	91 years	63 of 100 (Major)
20 September 1989	Lambertville, US	daily rain	115.6 mm (4.6 in)	94.0 mm (3.7 in)	51 years	60 of 100 (Major)
20 September 1989	Ithaca Cornell UNIV, US	daily rain	46.2 mm (1.8 in)	28.7 mm (1.1 in)	71 years	59 of 100 (Notable)
20 September 1989	W Chester 2 NW, US	daily rain	111.8 mm (4.4 in)	60.7 mm (2.4 in)	51 years	59 of 100 (Notable)
20 September 1989	La Union, MX	daily rain	184.7 mm (7.3 in)	122.7 mm (4.8 in)	34 years	56 of 100 (Notable)
20 September 1989	Midwest, US	daily rain	37.3 mm (1.5 in)	26.1 mm (1.0 in)	39 years	56 of 100 (Notable)
20 September 1989	Dillinger, US	daily rain	38.6 mm (1.5 in)	25.4 mm (1.0 in)	39 years	55 of 100 (Notable)
20 September 1989	Elizabethtown, US	daily rain	58.2 mm (2.3 in)	46.0 mm (1.8 in)	18 years	54 of 100 (Notable)
20 September 1989	Coyuquilla, MX	daily rain	189.5 mm (7.5 in)	148.1 mm (5.8 in)	34 years	53 of 100 (Notable)
20 September 1989	Ny Westerleigh Stat Is, US	daily rain	89.4 mm (3.5 in)	76.7 mm (3.0 in)	28 years	52 of 100 (Notable)
20 September 1989	Port Jervis, US	daily rain	96.8 mm (3.8 in)	41.9 mm (1.6 in)	51 years	52 of 100 (Notable)
20 September 1989	Le Roy, US	daily rain	53.3 mm (2.1 in)	19.0 mm (0.7 in)	91 years	52 of 100 (Notable)
20 September 1989	Takle, NO	daily rain	132.0 mm (5.2 in)	82.0 mm (3.2 in)	24 years	51 of 100 (Notable)
20 September 1989	Korsakov, RU	daily rain	62.3 mm (2.5 in)	35.0 mm (1.4 in)	32 years	51 of 100 (Notable)
20 September 1989	Flemington 5 NNW, US	monthly rain	120.4 mm (4.7 in)	27.4 mm (1.1 in)	50 years	51 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

1812 to 1989

Records set or tied on this calendar date in each year from 1812 to 1989. 1989 had 968 records.

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

Records on 09-20 in each year
Year	Records
1812	1
1837	1
1840	1
1844	1
1848	2
1851	1
1852	1
1854	2
1855	1
1856	2
1859	2
1860	1
1862	1
1870	1
1871	2
1882	2
1883	1
1884	1
1886	2
1887	1
1888	2
1889	8
1891	4
1893	5
1894	1
1895	2
1896	1
1897	16
1898	4
1899	1
1900	2
1901	3
1902	3
1903	3
1904	12
1905	8
1906	22
1907	11
1908	24
1909	10
1910	8
1911	21
1912	34
1913	48
1914	28
1915	239
1916	28
1917	100
1918	59
1919	55
1920	64
1921	40
1922	52
1923	249
1924	329
1925	330
1926	129
1927	169
1928	144
1929	373
1930	102
1931	564
1932	270
1933	223
1934	349
1935	201
1936	133
1937	385
1938	506
1939	312
1940	591
1941	582
1942	436
1943	419
1944	466
1945	406
1946	766
1947	460
1948	454
1949	268
1950	435
1951	267
1952	434
1953	479
1954	628
1955	625
1956	985
1957	514
1958	410
1959	489
1960	352
1961	384
1962	707
1963	290
1964	482
1965	1,180
1966	414
1967	449
1968	617
1969	604
1970	591
1971	884
1972	582
1973	569
1974	771
1975	527
1976	375
1977	776
1978	1,216
1979	767
1980	567
1981	979
1982	911
1983	1,958
1984	895
1985	730
1986	743
1987	856
1988	698
1989	968
1990	743
1991	1,835
1992	718
1993	1,031
1994	788
1995	1,374
1996	1,077
1997	1,282
1998	1,157
1999	923
2000	908
2001	821
2002	845
2003	910
2004	1,156
2005	960
2006	732
2007	645
2008	648
2009	715
2010	1,497
2011	650
2012	549
2013	595
2014	577
2015	439
2016	778
2017	920
2018	1,020
2019	835
2020	630
2021	565
2022	786
2023	482
2024	596
2025	877
2026	682

Download the Data

Data for records on 1989-09-20: 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	732
20 to 40	74
40 to 60	26
60 to 80	9
80 to 100	2
100 to 120	0
120 to 140	1
140 to 160	1