Weather Records on 27 September 1973

1,031 weather records were set or tied worldwide on 27 September 1973. Highest significance: Columbus Junction, US.

Key Facts for 27 September 1973

On 27 September 1973, 1,031 weather records were set or tied at long-record stations worldwide.
273 were record highs and 185 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 56 monthly and 973 daily.
Columbus Junction set a daily record precipitation of 95.3 mm (3.8 in) on 27 September 1973.
Across 154 earlier years (1799 to 2026) the same calendar date averaged 447 records.

Record Map

1,031 stations

1,031 station records on 27 September 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 September 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Columbus Junction	United States	Record daily precipitation	95.3 mm (3.8 in)	63 of 100 (Major)
Progress	South Africa	Record daily precipitation	67.4 mm (2.7 in)	62 of 100 (Major)
Welgeleven	South Africa	Record daily precipitation	75.0 mm (3.0 in)	59 of 100 (Notable)
Zomerkomst (Bos)	South Africa	Record daily precipitation	46.0 mm (1.8 in)	59 of 100 (Notable)
Billings	United States	Record daily precipitation	100.1 mm (3.9 in)	59 of 100 (Notable)
Klipfontein "Rietpan"	South Africa	Record daily precipitation	126.8 mm (5.0 in)	58 of 100 (Notable)
Doornfontein	South Africa	Record daily precipitation	30.9 mm (1.2 in)	58 of 100 (Notable)
Ravenshill	South Africa	Record daily precipitation	81.0 mm (3.2 in)	58 of 100 (Notable)
Springs-Olympia Park	South Africa	Record daily precipitation	43.0 mm (1.7 in)	57 of 100 (Notable)
Mt Pleasant 1 SW	United States	Record daily precipitation	103.1 mm (4.1 in)	57 of 100 (Notable)
Eldorado	United States	Record daily precipitation	53.6 mm (2.1 in)	56 of 100 (Notable)
New Braunfels	United States	Record daily precipitation	163.6 mm (6.4 in)	56 of 100 (Notable)
Merensky (Skl)	South Africa	Record daily precipitation	34.5 mm (1.4 in)	55 of 100 (Notable)
Van Reenen	South Africa	Record daily precipitation	50.0 mm (2.0 in)	54 of 100 (Notable)
Rustplaats	South Africa	Record daily precipitation	29.5 mm (1.2 in)	54 of 100 (Notable)
Driefontein	South Africa	Record daily precipitation	51.0 mm (2.0 in)	54 of 100 (Notable)
Winfield 3NE	United States	Record daily precipitation	90.4 mm (3.6 in)	54 of 100 (Notable)
Zaaiplaats	South Africa	Record daily precipitation	48.0 mm (1.9 in)	53 of 100 (Notable)
Alma	United States	Record daily precipitation	52.1 mm (2.1 in)	53 of 100 (Notable)
Pesaro	Italy	Record daily precipitation	47.4 mm (1.9 in)	50 of 100 (Notable)
Vryburg	South Africa	Record daily precipitation	42.6 mm (1.7 in)	50 of 100 (Notable)
Vryburg (Pol)	South Africa	Record daily precipitation	35.0 mm (1.4 in)	50 of 100 (Notable)
Irene	South Africa	Record daily precipitation	36.4 mm (1.4 in)	50 of 100 (Notable)
Bergzicht	South Africa	Record daily precipitation	31.5 mm (1.2 in)	50 of 100 (Notable)
Elim (Hosp)	South Africa	Record daily precipitation	32.3 mm (1.3 in)	50 of 100 (Notable)
Jonkersdam	South Africa	Record daily precipitation	72.0 mm (2.8 in)	48 of 100 (Notable)
Oorschot	South Africa	Record daily precipitation	39.5 mm (1.6 in)	47 of 100 (Notable)
Lydenburg	South Africa	Record daily precipitation	45.5 mm (1.8 in)	47 of 100 (Notable)
Witwater (Bos)	South Africa	Record daily precipitation	48.0 mm (1.9 in)	47 of 100 (Notable)
Arkansas City	United States	Record daily precipitation	91.4 mm (3.6 in)	47 of 100 (Notable)
Dilley	United States	Record daily precipitation	174.2 mm (6.9 in)	47 of 100 (Notable)
Floresville	United States	Record daily precipitation	172.7 mm (6.8 in)	47 of 100 (Notable)
Witklip (Bos)	South Africa	Record daily precipitation	65.0 mm (2.6 in)	46 of 100 (Notable)
Maandagshoek	South Africa	Record daily precipitation	36.0 mm (1.4 in)	46 of 100 (Notable)
San Marcos	United States	Record daily precipitation	117.3 mm (4.6 in)	45 of 100 (Notable)
Delmas (Pol)	South Africa	Record daily precipitation	34.0 mm (1.3 in)	44 of 100 (Notable)
De Hoek (Bos)	South Africa	Record daily precipitation	44.5 mm (1.8 in)	44 of 100 (Notable)
Bajramaly	Turkmenistan	Record low maximum temperature	14.1 C (57.4 F)	44 of 100 (Notable)
Madison	United States	Record daily precipitation	82.3 mm (3.2 in)	44 of 100 (Notable)
Osage City	United States	Record daily precipitation	61.7 mm (2.4 in)	44 of 100 (Notable)
Salique (Bos)	South Africa	Record daily precipitation	37.0 mm (1.5 in)	43 of 100 (Notable)
Eureka 1E	United States	Record daily precipitation	84.6 mm (3.3 in)	43 of 100 (Notable)
Beaver City	United States	Record daily precipitation	57.2 mm (2.3 in)	43 of 100 (Notable)
Kingsville	United States	Record daily precipitation	57.9 mm (2.3 in)	43 of 100 (Notable)
Verwoedburg-Mu"Lytteltn"	South Africa	Record daily precipitation	32.5 mm (1.3 in)	42 of 100 (Notable)
Muscatine	United States	Record daily precipitation	72.9 mm (2.9 in)	42 of 100 (Notable)
El Reno 1 N	United States	Record daily precipitation	62.5 mm (2.5 in)	42 of 100 (Notable)
Norman 3SSE	United States	Record daily precipitation	89.7 mm (3.5 in)	42 of 100 (Notable)
Sulphur Springs	United States	Record daily precipitation	50.8 mm (2.0 in)	42 of 100 (Notable)
Mbabane	Swaziland	Record daily precipitation	51.5 mm (2.0 in)	42 of 100 (Notable)
Nylsvley	South Africa	Record daily precipitation	26.0 mm (1.0 in)	41 of 100 (Notable)
Westfalia	South Africa	Record daily precipitation	48.6 mm (1.9 in)	41 of 100 (Notable)
Uppsala_Aut	Sweden	Record low maximum temperature	5.4 C (41.7 F)	41 of 100 (Notable)
Natalia	United States	Record daily precipitation	291.3 mm (11.5 in)	41 of 100 (Notable)
Pretoria-New Cemetry	South Africa	Record daily precipitation	36.5 mm (1.4 in)	40 of 100 (Notable)
Badplaas (Pol)	South Africa	Record daily precipitation	34.0 mm (1.3 in)	40 of 100 (Notable)
Planknek	South Africa	Record daily precipitation	30.5 mm (1.2 in)	40 of 100 (Notable)
Union City 3 SE	United States	Record daily precipitation	86.6 mm (3.4 in)	40 of 100 (Notable)
Shamrock	United States	Record daily precipitation	52.1 mm (2.1 in)	40 of 100 (Notable)
Temple	United States	Record daily precipitation	88.9 mm (3.5 in)	40 of 100 (Notable)

Counts by Type and Timescale

1,031 records

Records set or tied on 27 September 1973 by type: Highest daily maximum 64, Lowest daily maximum 132, Highest daily minimum 209, Lowest daily minimum 53, Heaviest daily rainfall 572, Heaviest daily snowfall 1.

Records on 27 September 1973 by type
Record type	Records
Highest daily maximum	64
Lowest daily maximum	132
Highest daily minimum	209
Lowest daily minimum	53
Heaviest daily rainfall	572
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 27 September 1973 by timescale: all-time 2, monthly 56, daily 973.

How Much Records Were Beaten By

882 broken records

Margins by which the 882 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 135.9. Ties are not counted.

Top 20 by Significance

27 September 1973

Top 20 records on 27 September 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 September 1973	Columbus Junction, US	daily rain	95.3 mm (3.8 in)	54.7 mm (2.2 in)	68 years	63 of 100 (Major)
27 September 1973	Progress, ZA	monthly rain	67.4 mm (2.7 in)	26.0 mm (1.0 in)	41 years	62 of 100 (Major)
27 September 1973	Welgeleven, ZA	monthly rain	75.0 mm (3.0 in)	36.6 mm (1.4 in)	16 years	59 of 100 (Notable)
27 September 1973	Zomerkomst (Bos), ZA	daily rain	46.0 mm (1.8 in)	37.4 mm (1.5 in)	47 years	59 of 100 (Notable)
27 September 1973	Billings, US	daily rain	100.1 mm (3.9 in)	96.3 mm (3.8 in)	51 years	59 of 100 (Notable)
27 September 1973	Klipfontein "Rietpan", ZA	monthly rain	126.8 mm (5.0 in)	72.3 mm (2.8 in)	16 years	58 of 100 (Notable)
27 September 1973	Doornfontein, ZA	daily rain	30.9 mm (1.2 in)	30.9 mm (1.2 in)	47 years	58 of 100 (Notable)
27 September 1973	Ravenshill, ZA	monthly rain	81.0 mm (3.2 in)	33.7 mm (1.3 in)	11 years	58 of 100 (Notable)
27 September 1973	Springs-Olympia Park, ZA	daily rain	43.0 mm (1.7 in)	33.9 mm (1.3 in)	51 years	57 of 100 (Notable)
27 September 1973	Mt Pleasant 1 SW, US	daily rain	103.1 mm (4.1 in)	51.8 mm (2.0 in)	64 years	57 of 100 (Notable)
27 September 1973	Eldorado, US	daily rain	53.6 mm (2.1 in)	45.2 mm (1.8 in)	60 years	56 of 100 (Notable)
27 September 1973	New Braunfels, US	daily rain	163.6 mm (6.4 in)	122.7 mm (4.8 in)	27 years	56 of 100 (Notable)
27 September 1973	Merensky (Skl), ZA	daily rain	34.5 mm (1.4 in)	34.0 mm (1.3 in)	39 years	55 of 100 (Notable)
27 September 1973	Van Reenen, ZA	daily rain	50.0 mm (2.0 in)	37.8 mm (1.5 in)	58 years	54 of 100 (Notable)
27 September 1973	Rustplaats, ZA	daily rain	29.5 mm (1.2 in)	22.9 mm (0.9 in)	56 years	54 of 100 (Notable)
27 September 1973	Driefontein, ZA	daily rain	51.0 mm (2.0 in)	43.6 mm (1.7 in)	32 years	54 of 100 (Notable)
27 September 1973	Winfield 3NE, US	daily rain	90.4 mm (3.6 in)	45.2 mm (1.8 in)	72 years	54 of 100 (Notable)
27 September 1973	Zaaiplaats, ZA	daily rain	48.0 mm (1.9 in)	36.1 mm (1.4 in)	32 years	53 of 100 (Notable)
27 September 1973	Alma, US	daily rain	52.1 mm (2.1 in)	36.4 mm (1.4 in)	66 years	53 of 100 (Notable)
27 September 1973	Pesaro, IT	daily rain	47.4 mm (1.9 in)	20.9 mm (0.8 in)	85 years	50 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

1799 to 1973

Records set or tied on this calendar date in each year from 1799 to 1973. 1973 had 1,031 records.

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

Records on 09-27 in each year
Year	Records
1799	1
1828	1
1836	2
1847	1
1851	1
1854	2
1855	2
1859	2
1866	2
1867	3
1874	1
1875	1
1877	2
1880	1
1881	4
1882	1
1885	5
1887	1
1890	3
1891	1
1892	1
1893	1
1894	5
1895	6
1896	1
1897	2
1898	4
1899	1
1900	5
1901	3
1902	12
1903	7
1904	12
1905	21
1906	21
1907	9
1908	36
1909	17
1910	20
1911	31
1912	25
1913	27
1914	24
1915	80
1916	57
1917	41
1918	58
1919	45
1920	54
1921	26
1922	111
1923	125
1924	115
1925	129
1926	581
1927	244
1928	288
1929	225
1930	178
1931	222
1932	194
1933	559
1934	298
1935	319
1936	435
1937	309
1938	366
1939	572
1940	706
1941	257
1942	1,353
1943	503
1944	323
1945	475
1946	387
1947	813
1948	405
1949	407
1950	223
1951	480
1952	539
1953	567
1954	507
1955	386
1956	825
1957	644
1958	585
1959	582
1960	337
1961	376
1962	352
1963	849
1964	724
1965	688
1966	426
1967	502
1968	286
1969	233
1970	773
1971	762
1972	989
1973	1,031
1974	408
1975	790
1976	905
1977	852
1978	773
1979	741
1980	559
1981	680
1982	1,076
1983	791
1984	1,297
1985	661
1986	1,772
1987	1,013
1988	494
1989	852
1990	379
1991	894
1992	659
1993	727
1994	764
1995	698
1996	1,468
1997	730
1998	1,774
1999	1,059
2000	1,031
2001	980
2002	992
2003	830
2004	665
2005	1,061
2006	596
2007	1,091
2008	659
2009	987
2010	1,153
2011	965
2012	624
2013	823
2014	813
2015	664
2016	600
2017	891
2018	600
2019	755
2020	659
2021	893
2022	642
2023	747
2024	1,449
2025	272
2026	358

Download the Data

Data for records on 1973-09-27: 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	748
20 to 40	103
40 to 60	22
60 to 80	6
80 to 100	1
100 to 120	0
120 to 140	2