Weather Records on 13 September 1973

746 weather records were set or tied worldwide on 13 September 1973. Highest significance: Lorne Peak, AU.

Key Facts for 13 September 1973

On 13 September 1973, 746 weather records were set or tied at long-record stations worldwide.
113 were record highs and 168 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 16 monthly and 730 daily.
Lorne Peak set a monthly record daily precipitation of 79.2 mm (3.1 in) on 13 September 1973.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 429 records.

Record Map

746 stations

746 station records on 13 September 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 13 September 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lorne Peak	Australia	Record daily precipitation	79.2 mm (3.1 in)	69 of 100 (Major)
Valley of Lagoons	Australia	Record daily precipitation	29.5 mm (1.2 in)	65 of 100 (Major)
Michelago (Soglio)	Australia	Record daily precipitation	40.9 mm (1.6 in)	65 of 100 (Major)
Mount Spencer 2	Australia	Record daily precipitation	25.4 mm (1.0 in)	61 of 100 (Major)
Cameron Downs	Australia	Record daily precipitation	31.0 mm (1.2 in)	60 of 100 (Major)
Lithgow (Birdwood St)	Australia	Record daily precipitation	63.2 mm (2.5 in)	60 of 100 (Major)
Piranhas (Marechal Floriano)	Brazil	Record daily precipitation	32.2 mm (1.3 in)	60 of 100 (Major)
Yacamunda Station	Australia	Record daily precipitation	76.5 mm (3.0 in)	57 of 100 (Notable)
Iliamna AP	United States	Record daily precipitation	56.6 mm (2.2 in)	56 of 100 (Notable)
Manfred Downs Station	Australia	Record daily precipitation	29.7 mm (1.2 in)	52 of 100 (Notable)
Lidsdale State Forest	Australia	Record daily precipitation	77.2 mm (3.0 in)	52 of 100 (Notable)
Augathella Post Office	Australia	Record daily precipitation	33.5 mm (1.3 in)	51 of 100 (Notable)
Quambone Station	Australia	Record daily precipitation	42.7 mm (1.7 in)	51 of 100 (Notable)
The Valley	Australia	Record daily precipitation	94.2 mm (3.7 in)	50 of 100 (Notable)
Rookwood	Australia	Record daily precipitation	49.5 mm (1.9 in)	50 of 100 (Notable)
Dotswood	Australia	Record daily precipitation	31.8 mm (1.3 in)	50 of 100 (Notable)
Armavir	Russia	Record daily precipitation	35.4 mm (1.4 in)	49 of 100 (Notable)
Belconnen (Weetangerra)	Australia	Record daily precipitation	35.6 mm (1.4 in)	48 of 100 (Notable)
Lorraine	Australia	Record daily precipitation	52.1 mm (2.1 in)	47 of 100 (Notable)
Holbrook (Fordell)	Australia	Record daily precipitation	47.0 mm (1.9 in)	46 of 100 (Notable)
Pacatuba (Pacatiba)	Brazil	Record daily precipitation	34.5 mm (1.4 in)	46 of 100 (Notable)
Gillespie	Australia	Record daily precipitation	30.5 mm (1.2 in)	45 of 100 (Notable)
Orion	Australia	Record daily precipitation	35.6 mm (1.4 in)	45 of 100 (Notable)
Yandaburra	Australia	Record daily precipitation	38.9 mm (1.5 in)	45 of 100 (Notable)
Burenda	Australia	Record daily precipitation	41.1 mm (1.6 in)	45 of 100 (Notable)
Iffley Station	Australia	Record daily precipitation	32.3 mm (1.3 in)	44 of 100 (Notable)
Tambo Post Office	Australia	Record daily precipitation	31.5 mm (1.2 in)	44 of 100 (Notable)
Narromine (Mumble Peg)	Australia	Record daily precipitation	42.4 mm (1.7 in)	44 of 100 (Notable)
Laranjeiras	Brazil	Record daily precipitation	47.5 mm (1.9 in)	44 of 100 (Notable)
Queanbeyan Bowling Club	Australia	Record daily precipitation	30.5 mm (1.2 in)	43 of 100 (Notable)
Rewan Station	Australia	Record daily precipitation	38.4 mm (1.5 in)	42 of 100 (Notable)
Canberra Forestry	Australia	Record daily precipitation	32.5 mm (1.3 in)	42 of 100 (Notable)
Harden Park	Australia	Record daily precipitation	46.2 mm (1.8 in)	41 of 100 (Notable)
Westgrove	Australia	Record daily precipitation	39.1 mm (1.5 in)	41 of 100 (Notable)
Barcombe	Australia	Record daily precipitation	25.4 mm (1.0 in)	41 of 100 (Notable)
Charbon Standard Portland Ceme	Australia	Record daily precipitation	41.1 mm (1.6 in)	41 of 100 (Notable)
Uppsala_Aut	Sweden	Record low maximum temperature	10.7 C (51.3 F)	40 of 100 (Notable)
Cartersville	United States	Record daily precipitation	50.8 mm (2.0 in)	40 of 100 (Notable)
Cordele	United States	Record daily precipitation	43.9 mm (1.7 in)	40 of 100 (Notable)
Pajingo	Australia	Record daily precipitation	29.7 mm (1.2 in)	39 of 100 (Notable)
Propria	Brazil	Record daily precipitation	34.1 mm (1.3 in)	39 of 100 (Notable)
The Pas A	Canada	Record daily precipitation	43.2 mm (1.7 in)	39 of 100 (Notable)
Porto	Portugal	Record daily precipitation	43.9 mm (1.7 in)	39 of 100 (Notable)
Normanton Post Office	Australia	Record daily precipitation	29.0 mm (1.1 in)	37 of 100 (Notable)
Woleebee Nevasa	Australia	Record daily precipitation	37.6 mm (1.5 in)	37 of 100 (Notable)
Darkwater	Australia	Record daily precipitation	51.3 mm (2.0 in)	37 of 100 (Notable)
Mulga Downs	Australia	Record daily precipitation	26.4 mm (1.0 in)	37 of 100 (Notable)
Mount Victoria (Mt Victoria (S	Australia	Record daily precipitation	32.3 mm (1.3 in)	36 of 100 (Notable)
Rabbit Lake	Canada	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
Parnu	Estonia	Record low minimum temperature	1.5 C (34.7 F)	36 of 100 (Notable)
Karlshamn	Sweden	Record low minimum temperature	-0.9 C (30.4 F)	36 of 100 (Notable)
Umea	Sweden	Record low minimum temperature	-2.4 C (27.7 F)	36 of 100 (Notable)
Ballandool	Australia	Record daily precipitation	29.2 mm (1.1 in)	35 of 100 (Notable)
Haparanda	Sweden	Record low maximum temperature	6.0 C (42.8 F)	35 of 100 (Notable)
Alpha Post Office	Australia	Record daily precipitation	25.9 mm (1.0 in)	34 of 100 (Routine)
Telemon Station	Australia	Record daily precipitation	39.9 mm (1.6 in)	34 of 100 (Routine)
Queanbeyan (Carwoola)	Australia	Record daily precipitation	25.4 mm (1.0 in)	34 of 100 (Routine)
Soledad de Doblado	Mexico	Record low maximum temperature	22.2 C (72.0 F)	34 of 100 (Routine)
Kentwood	United States	Record daily precipitation	109.2 mm (4.3 in)	34 of 100 (Routine)
Mt Hope	Australia	Record daily precipitation	26.7 mm (1.1 in)	32 of 100 (Routine)

Counts by Type and Timescale

746 records

Records set or tied on 13 September 1973 by type: Highest daily maximum 38, Lowest daily maximum 89, Highest daily minimum 75, Lowest daily minimum 79, Heaviest daily rainfall 455, Heaviest daily snowfall 10.

Records on 13 September 1973 by type
Record type	Records
Highest daily maximum	38
Lowest daily maximum	89
Highest daily minimum	75
Lowest daily minimum	79
Heaviest daily rainfall	455
Heaviest daily snowfall	10
Deepest snow cover	0

Records on 13 September 1973 by timescale: all-time 0, monthly 16, daily 730.

How Much Records Were Beaten By

667 broken records

Margins by which the 667 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

13 September 1973

Top 20 records on 13 September 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
13 September 1973	Lorne Peak, AU	monthly rain	79.2 mm (3.1 in)	39.1 mm (1.5 in)	46 years	69 of 100 (Major)
13 September 1973	Valley of Lagoons, AU	daily rain	29.5 mm (1.2 in)	29.5 mm (1.2 in)	90 years	65 of 100 (Major)
13 September 1973	Michelago (Soglio), AU	daily rain	40.9 mm (1.6 in)	26.9 mm (1.1 in)	70 years	65 of 100 (Major)
13 September 1973	Mount Spencer 2, AU	daily rain	25.4 mm (1.0 in)	25.4 mm (1.0 in)	79 years	61 of 100 (Major)
13 September 1973	Cameron Downs, AU	daily rain	31.0 mm (1.2 in)	30.2 mm (1.2 in)	78 years	60 of 100 (Major)
13 September 1973	Lithgow (Birdwood St), AU	daily rain	63.2 mm (2.5 in)	53.3 mm (2.1 in)	40 years	60 of 100 (Major)
13 September 1973	Piranhas (Marechal Floriano), BR	monthly rain	32.2 mm (1.3 in)	14.7 mm (0.6 in)	14 years	60 of 100 (Major)
13 September 1973	Yacamunda Station, AU	monthly rain	76.5 mm (3.0 in)	32.3 mm (1.3 in)	41 years	57 of 100 (Notable)
13 September 1973	Iliamna AP, US	daily rain	56.6 mm (2.2 in)	29.9 mm (1.2 in)	52 years	56 of 100 (Notable)
13 September 1973	Manfred Downs Station, AU	daily rain	29.7 mm (1.2 in)	20.8 mm (0.8 in)	63 years	52 of 100 (Notable)
13 September 1973	Lidsdale State Forest, AU	daily rain	77.2 mm (3.0 in)	43.7 mm (1.7 in)	31 years	52 of 100 (Notable)
13 September 1973	Augathella Post Office, AU	daily rain	33.5 mm (1.3 in)	27.9 mm (1.1 in)	70 years	51 of 100 (Notable)
13 September 1973	Quambone Station, AU	daily rain	42.7 mm (1.7 in)	28.2 mm (1.1 in)	43 years	51 of 100 (Notable)
13 September 1973	The Valley, AU	monthly rain	94.2 mm (3.7 in)	21.8 mm (0.9 in)	52 years	50 of 100 (Notable)
13 September 1973	Rookwood, AU	daily rain	49.5 mm (1.9 in)	40.6 mm (1.6 in)	55 years	50 of 100 (Notable)
13 September 1973	Dotswood, AU	daily rain	31.8 mm (1.3 in)	31.8 mm (1.3 in)	44 years	50 of 100 (Notable)
13 September 1973	Armavir, RU	daily rain	35.4 mm (1.4 in)	24.4 mm (1.0 in)	30 years	49 of 100 (Notable)
13 September 1973	Belconnen (Weetangerra), AU	daily rain	35.6 mm (1.4 in)	16.0 mm (0.6 in)	70 years	48 of 100 (Notable)
13 September 1973	Lorraine, AU	monthly rain	52.1 mm (2.1 in)	24.2 mm (1.0 in)	26 years	47 of 100 (Notable)
13 September 1973	Holbrook (Fordell), AU	daily rain	47.0 mm (1.9 in)	32.3 mm (1.3 in)	24 years	46 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 746 records.

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

Records on 09-13 in each year
Year	Records
1793	1
1809	1
1814	1
1822	1
1835	1
1836	1
1839	1
1849	1
1850	2
1851	1
1856	1
1857	1
1859	1
1860	1
1864	1
1866	1
1867	2
1868	1
1872	3
1876	1
1878	1
1880	2
1882	2
1883	1
1886	1
1887	1
1888	1
1889	1
1891	1
1892	4
1893	2
1894	2
1895	1
1896	2
1897	3
1899	7
1900	3
1901	15
1902	30
1903	17
1904	8
1905	7
1906	23
1907	6
1908	11
1909	26
1910	11
1911	65
1912	23
1913	43
1914	42
1915	48
1916	19
1917	172
1918	33
1919	88
1920	48
1921	63
1922	124
1923	122
1924	65
1925	294
1926	76
1927	439
1928	253
1929	187
1930	284
1931	639
1932	171
1933	299
1934	187
1935	363
1936	519
1937	486
1938	382
1939	918
1940	841
1941	299
1942	287
1943	602
1944	361
1945	657
1946	423
1947	491
1948	472
1949	935
1950	657
1951	469
1952	569
1953	732
1954	291
1955	387
1956	332
1957	544
1958	578
1959	740
1960	660
1961	972
1962	378
1963	676
1964	645
1965	572
1966	501
1967	420
1968	239
1969	518
1970	1,216
1971	708
1972	396
1973	746
1974	965
1975	1,365
1976	411
1977	457
1978	796
1979	574
1980	648
1981	408
1982	1,004
1983	703
1984	646
1985	852
1986	741
1987	970
1988	902
1989	1,243
1990	1,187
1991	672
1992	580
1993	1,143
1994	667
1995	845
1996	1,117
1997	657
1998	1,654
1999	847
2000	856
2001	841
2002	879
2003	728
2004	743
2005	854
2006	1,076
2007	543
2008	1,508
2009	811
2010	827
2011	1,099
2012	526
2013	967
2014	1,291
2015	879
2016	1,093
2017	945
2018	636
2019	660
2020	591
2021	416
2022	668
2023	514
2024	818
2025	492
2026	905

Download the Data

Data for records on 1973-09-13: 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	588
20 to 40	70
40 to 60	6
60 to 80	2
80 to 100	0
100 to 120	1