Weather Records on 22 September 1973

509 weather records were set or tied worldwide on 22 September 1973. Highest significance: The Downs, ZA.

Key Facts for 22 September 1973

On 22 September 1973, 509 weather records were set or tied at long-record stations worldwide.
76 were record highs and 167 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 11 monthly and 498 daily.
The Downs set a daily record precipitation of 43.5 mm (1.7 in) on 22 September 1973.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 428 records.

Record Map

509 stations

509 station records on 22 September 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 22 September 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
The Downs	South Africa	Record daily precipitation	43.5 mm (1.7 in)	63 of 100 (Major)
Biser	Russia	Record daily precipitation	34.5 mm (1.4 in)	59 of 100 (Notable)
Grayling	United States	Record daily precipitation	55.9 mm (2.2 in)	58 of 100 (Notable)
Hermannsburg	Australia	Record daily precipitation	26.9 mm (1.1 in)	57 of 100 (Notable)
E Jordan	United States	Record daily precipitation	67.3 mm (2.6 in)	56 of 100 (Notable)
Idracowra	Australia	Record daily precipitation	41.7 mm (1.6 in)	55 of 100 (Notable)
Fife Lake 4 SW	United States	Record daily precipitation	66.0 mm (2.6 in)	49 of 100 (Notable)
Madre de Deus de Minas	Brazil	Record daily precipitation	60.8 mm (2.4 in)	47 of 100 (Notable)
Barrow Creek	Australia	Record daily precipitation	35.8 mm (1.4 in)	46 of 100 (Notable)
Pedro Barros	Brazil	Record daily precipitation	50.0 mm (2.0 in)	42 of 100 (Notable)
Uppsala_Aut	Sweden	Record low maximum temperature	7.7 C (45.9 F)	41 of 100 (Notable)
Norwich	United States	Record daily precipitation	141.5 mm (5.6 in)	41 of 100 (Notable)
Charlevoix	United States	Record daily precipitation	36.3 mm (1.4 in)	41 of 100 (Notable)
Chilton	United States	Record daily precipitation	32.3 mm (1.3 in)	41 of 100 (Notable)
Newcastle Waters	Australia	Record daily precipitation	34.8 mm (1.4 in)	40 of 100 (Notable)
Maquoketa	United States	Record daily precipitation	49.3 mm (1.9 in)	40 of 100 (Notable)
Manitowoc	United States	Record daily precipitation	41.9 mm (1.6 in)	40 of 100 (Notable)
Katherine Council	Australia	Record daily precipitation	31.5 mm (1.2 in)	38 of 100 (Notable)
Tennant Creek Post Office	Australia	Record daily precipitation	28.4 mm (1.1 in)	38 of 100 (Notable)
Atlanta 5 WNW	United States	Record daily precipitation	59.4 mm (2.3 in)	37 of 100 (Notable)
Oshkosh	United States	Record daily precipitation	26.2 mm (1.0 in)	35 of 100 (Notable)
Barrow AP	United States	Record daily snowfall	5.1 cm (2.0 in)	35 of 100 (Notable)
Newcastle Waters Post Office	Australia	Record daily precipitation	30.0 mm (1.2 in)	31 of 100 (Routine)
El Salto (Smn)	Mexico	Record high minimum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
Cedar Rapids #1	United States	Record daily precipitation	33.5 mm (1.3 in)	31 of 100 (Routine)
Lyons 3 S	United States	Record daily precipitation	26.2 mm (1.0 in)	31 of 100 (Routine)
Higgins Lake	United States	Record daily precipitation	50.5 mm (2.0 in)	31 of 100 (Routine)
Grafton	United States	Record low maximum temperature	8.3 C (46.9 F)	31 of 100 (Routine)
Shawinigan	Canada	Record low maximum temperature	7.2 C (45.0 F)	30 of 100 (Routine)
Kingman	United States	Record daily precipitation	85.1 mm (3.4 in)	30 of 100 (Routine)
Hale Loud Dam	United States	Record daily precipitation	45.7 mm (1.8 in)	30 of 100 (Routine)
Thompsonville	United States	Record daily precipitation	57.9 mm (2.3 in)	30 of 100 (Routine)
Keene	United States	Record low maximum temperature	10.6 C (51.1 F)	30 of 100 (Routine)
Sturgeon Bay Exp Farm	United States	Record daily precipitation	35.8 mm (1.4 in)	30 of 100 (Routine)
Rio da Cidade	Brazil	Record daily precipitation	31.2 mm (1.2 in)	29 of 100 (Routine)
Kargopol	Russia	Record low minimum temperature	-3.3 C (26.1 F)	29 of 100 (Routine)
Watersmeet	United States	Record daily precipitation	30.5 mm (1.2 in)	29 of 100 (Routine)
Bethlehem	United States	Record low minimum temperature	-3.3 C (26.1 F)	29 of 100 (Routine)
Hanover	United States	Record low maximum temperature	10.0 C (50.0 F)	29 of 100 (Routine)
Nashua 2 NNW	United States	Record low maximum temperature	11.7 C (53.1 F)	29 of 100 (Routine)
Port Jervis	United States	Record low maximum temperature	15.0 C (59.0 F)	29 of 100 (Routine)
Bryn Euryn	Australia	Record daily precipitation	38.1 mm (1.5 in)	28 of 100 (Routine)
Registro	Brazil	Record daily precipitation	50.4 mm (2.0 in)	28 of 100 (Routine)
East Angus	Canada	Record daily precipitation	44.5 mm (1.8 in)	28 of 100 (Routine)
Appleton City	United States	Record high minimum temperature	20.6 C (69.1 F)	28 of 100 (Routine)
Darlington Wwtp	United States	Record daily precipitation	35.6 mm (1.4 in)	28 of 100 (Routine)
Charleston	United States	Record high minimum temperature	20.6 C (69.1 F)	27 of 100 (Routine)
Clarence	United States	Record daily precipitation	48.3 mm (1.9 in)	27 of 100 (Routine)
Warroad	United States	Record daily precipitation	32.3 mm (1.3 in)	27 of 100 (Routine)
Winnibigoshish Dam	United States	Record low maximum temperature	7.8 C (46.0 F)	27 of 100 (Routine)
Ponce 4 E	Puerto Rico [United States]	Record high minimum temperature	27.8 C (82.0 F)	26 of 100 (Routine)
Gogland	Russia	Record low maximum temperature	8.3 C (46.9 F)	26 of 100 (Routine)
Lisbon	United States	Record daily precipitation	27.4 mm (1.1 in)	26 of 100 (Routine)
Hiasen I Sigdal	Norway	Record daily precipitation	45.5 mm (1.8 in)	25 of 100 (Routine)
Troicko-Pecherskoe	Russia	Record low minimum temperature	-5.7 C (21.7 F)	25 of 100 (Routine)
Orick Prairie Creek Park	United States	Record daily precipitation	30.7 mm (1.2 in)	25 of 100 (Routine)
Pratt 3NW	United States	Record daily precipitation	39.9 mm (1.6 in)	25 of 100 (Routine)
Gaylord	United States	Record daily precipitation	43.9 mm (1.7 in)	25 of 100 (Routine)
Itariri	Brazil	Record daily precipitation	42.0 mm (1.7 in)	24 of 100 (Routine)
Lambton	Canada	Record low maximum temperature	7.2 C (45.0 F)	24 of 100 (Routine)

Counts by Type and Timescale

509 records

Records set or tied on 22 September 1973 by type: Highest daily maximum 29, Lowest daily maximum 109, Highest daily minimum 47, Lowest daily minimum 58, Heaviest daily rainfall 264, Heaviest daily snowfall 2.

Records on 22 September 1973 by type
Record type	Records
Highest daily maximum	29
Lowest daily maximum	109
Highest daily minimum	47
Lowest daily minimum	58
Heaviest daily rainfall	264
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 22 September 1973 by timescale: all-time 0, monthly 11, daily 498.

How Much Records Were Beaten By

428 broken records

Margins by which the 428 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 50.6. Ties are not counted.

Top 20 by Significance

22 September 1973

Top 20 records on 22 September 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
22 September 1973	The Downs, ZA	daily rain	43.5 mm (1.7 in)	38.7 mm (1.5 in)	58 years	63 of 100 (Major)
22 September 1973	Biser, RU	daily rain	34.5 mm (1.4 in)	20.5 mm (0.8 in)	38 years	59 of 100 (Notable)
22 September 1973	Grayling, US	daily rain	55.9 mm (2.2 in)	30.5 mm (1.2 in)	64 years	58 of 100 (Notable)
22 September 1973	Hermannsburg, AU	daily rain	26.9 mm (1.1 in)	24.9 mm (1.0 in)	40 years	57 of 100 (Notable)
22 September 1973	E Jordan, US	daily rain	67.3 mm (2.6 in)	44.9 mm (1.8 in)	42 years	56 of 100 (Notable)
22 September 1973	Idracowra, AU	monthly rain	41.7 mm (1.6 in)	13.8 mm (0.5 in)	45 years	55 of 100 (Notable)
22 September 1973	Fife Lake 4 SW, US	daily rain	66.0 mm (2.6 in)	46.9 mm (1.8 in)	14 years	49 of 100 (Notable)
22 September 1973	Madre de Deus de Minas, BR	daily rain	60.8 mm (2.4 in)	50.6 mm (2.0 in)	16 years	47 of 100 (Notable)
22 September 1973	Barrow Creek, AU	daily rain	35.8 mm (1.4 in)	32.0 mm (1.3 in)	12 years	46 of 100 (Notable)
22 September 1973	Pedro Barros, BR	daily rain	50.0 mm (2.0 in)	34.0 mm (1.3 in)	32 years	42 of 100 (Notable)
22 September 1973	Uppsala_Aut, SE	daily low max	7.7 C (45.9 F)	0.6 C (1.1 F)	115 years	41 of 100 (Notable)
22 September 1973	Norwich, US	monthly rain	141.5 mm (5.6 in)	15.3 mm (0.6 in)	49 years	41 of 100 (Notable)
22 September 1973	Charlevoix, US	daily rain	36.3 mm (1.4 in)	16.0 mm (0.6 in)	64 years	41 of 100 (Notable)
22 September 1973	Chilton, US	daily rain	32.3 mm (1.3 in)	14.5 mm (0.6 in)	64 years	41 of 100 (Notable)
22 September 1973	Newcastle Waters, AU	monthly rain	34.8 mm (1.4 in)	1.8 mm (0.07 in)	66 years	40 of 100 (Notable)
22 September 1973	Maquoketa, US	daily rain	49.3 mm (1.9 in)	19.1 mm (0.8 in)	74 years	40 of 100 (Notable)
22 September 1973	Manitowoc, US	daily rain	41.9 mm (1.6 in)	12.9 mm (0.5 in)	74 years	40 of 100 (Notable)
22 September 1973	Katherine Council, AU	daily rain	31.5 mm (1.2 in)	31.0 mm (1.2 in)	34 years	38 of 100 (Notable)
22 September 1973	Tennant Creek Post Office, AU	monthly rain	28.4 mm (1.1 in)	2.0 mm (0.08 in)	56 years	38 of 100 (Notable)
22 September 1973	Atlanta 5 WNW, US	daily rain	59.4 mm (2.3 in)	34.0 mm (1.3 in)	8 years	37 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

1793 to 1973

Records set or tied on this calendar date in each year from 1793 to 1973. 1973 had 509 records.

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

Records on 09-22 in each year
Year	Records
1793	1
1796	1
1824	1
1825	1
1827	1
1830	1
1835	1
1838	1
1840	1
1842	2
1845	1
1846	1
1848	1
1851	3
1855	1
1856	1
1858	1
1863	1
1865	1
1868	1
1872	1
1874	1
1875	1
1877	4
1878	1
1881	2
1882	3
1885	1
1886	1
1888	1
1889	2
1890	2
1892	3
1893	1
1894	1
1895	7
1896	2
1897	3
1898	8
1899	12
1900	3
1901	3
1902	7
1903	4
1904	34
1905	5
1906	16
1907	12
1908	10
1909	6
1910	18
1911	17
1912	17
1913	43
1914	48
1915	23
1916	236
1917	128
1918	25
1919	64
1920	35
1921	44
1922	27
1923	118
1924	132
1925	265
1926	214
1927	160
1928	119
1929	166
1930	231
1931	732
1932	189
1933	230
1934	348
1935	231
1936	448
1937	507
1938	394
1939	266
1940	621
1941	424
1942	323
1943	266
1944	299
1945	739
1946	288
1947	583
1948	345
1949	385
1950	394
1951	419
1952	383
1953	253
1954	359
1955	584
1956	490
1957	580
1958	633
1959	416
1960	360
1961	555
1962	732
1963	351
1964	249
1965	841
1966	595
1967	507
1968	526
1969	488
1970	1,197
1971	500
1972	448
1973	509
1974	1,075
1975	591
1976	538
1977	632
1978	620
1979	991
1980	1,199
1981	754
1982	1,122
1983	2,060
1984	614
1985	820
1986	729
1987	1,300
1988	665
1989	1,155
1990	795
1991	758
1992	1,011
1993	1,448
1994	941
1995	2,498
1996	916
1997	851
1998	1,251
1999	1,172
2000	1,508
2001	604
2002	718
2003	1,472
2004	948
2005	1,155
2006	1,260
2007	896
2008	830
2009	985
2010	1,217
2011	611
2012	568
2013	673
2014	812
2015	666
2016	1,096
2017	1,272
2018	574
2019	651
2020	687
2021	432
2022	985
2023	905
2024	502
2025	387
2026	309

Download the Data

Data for records on 1973-09-22: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 10	347
10 to 20	56
20 to 30	14
30 to 40	7
40 to 50	3
50 to 60	1