Weather Records on 13 September 1977

457 weather records were set or tied worldwide on 13 September 1977. Highest significance: Keilor (Arundel), AU.

Key Facts for 13 September 1977

On 13 September 1977, 457 weather records were set or tied at long-record stations worldwide.
81 were record highs and 106 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 8 monthly and 448 daily.
Keilor (Arundel) set a daily record precipitation of 43.0 mm (1.7 in) on 13 September 1977.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 431 records.

Record Map

457 stations

457 station records on 13 September 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 13 September 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Keilor (Arundel)	Australia	Record daily precipitation	43.0 mm (1.7 in)	66 of 100 (Major)
Delphi 2 N	United States	Record daily precipitation	90.4 mm (3.6 in)	63 of 100 (Major)
Lockport 2SE	United States	Record daily precipitation	85.3 mm (3.4 in)	63 of 100 (Major)
Lakes Entrance Post Office	Australia	Record daily precipitation	41.0 mm (1.6 in)	62 of 100 (Major)
Concordia	United States	Record daily precipitation	191.3 mm (7.5 in)	58 of 100 (Notable)
Valencia Creek	Australia	Record daily precipitation	64.0 mm (2.5 in)	57 of 100 (Notable)
Epping	Australia	Record daily precipitation	46.4 mm (1.8 in)	57 of 100 (Notable)
Pascoe Vale	Australia	Record daily precipitation	44.2 mm (1.7 in)	57 of 100 (Notable)
Hudson	United States	Record daily precipitation	86.4 mm (3.4 in)	57 of 100 (Notable)
Maribyrnong Explosives Factory	Australia	Record daily precipitation	48.2 mm (1.9 in)	55 of 100 (Notable)
Bushy Park	Australia	Record daily precipitation	45.0 mm (1.8 in)	53 of 100 (Notable)
Niagara Falls	Canada	Record daily precipitation	70.1 mm (2.8 in)	53 of 100 (Notable)
Durant	United States	Record daily precipitation	110.5 mm (4.4 in)	53 of 100 (Notable)
Welland	Canada	Record daily precipitation	42.6 mm (1.7 in)	52 of 100 (Notable)
Melbourne Regional Office	Australia	Record daily precipitation	41.0 mm (1.6 in)	50 of 100 (Notable)
Samarskoe	Kazakhstan	Record daily precipitation	31.1 mm (1.2 in)	50 of 100 (Notable)
Beardstown	United States	Record daily precipitation	84.6 mm (3.3 in)	50 of 100 (Notable)
Quincy Dam 21	United States	Record daily precipitation	90.9 mm (3.6 in)	50 of 100 (Notable)
Huntington	United States	Record daily precipitation	70.1 mm (2.8 in)	50 of 100 (Notable)
La Estanzuela (Eele)	Uruguay	Record daily precipitation	87.0 mm (3.4 in)	49 of 100 (Notable)
Preston Reservoir	Australia	Record daily precipitation	37.0 mm (1.5 in)	48 of 100 (Notable)
Portarlington	Australia	Record daily precipitation	34.0 mm (1.3 in)	47 of 100 (Notable)
Quincy Mem Brg	United States	Record daily precipitation	99.8 mm (3.9 in)	47 of 100 (Notable)
Monticello	United States	Record daily precipitation	86.4 mm (3.4 in)	46 of 100 (Notable)
Nicholson (Yendalock)	Australia	Record daily precipitation	31.0 mm (1.2 in)	45 of 100 (Notable)
Berne Wwtp	United States	Record daily precipitation	56.9 mm (2.2 in)	44 of 100 (Notable)
Macon	United States	Record daily precipitation	83.3 mm (3.3 in)	44 of 100 (Notable)
Glenmaggie Weir	Australia	Record daily precipitation	37.0 mm (1.5 in)	43 of 100 (Notable)
Medicine Lodge	United States	Record daily precipitation	39.6 mm (1.6 in)	43 of 100 (Notable)
Dellicknora (Tellicura)	Australia	Record daily precipitation	36.0 mm (1.4 in)	41 of 100 (Notable)
Maffra Forestry Office	Australia	Record daily precipitation	27.0 mm (1.1 in)	41 of 100 (Notable)
Lexington 3E	United States	Record daily precipitation	120.1 mm (4.7 in)	41 of 100 (Notable)
Etne	Norway	Record daily precipitation	55.7 mm (2.2 in)	40 of 100 (Notable)
Richfield	United States	Record daily precipitation	47.0 mm (1.9 in)	40 of 100 (Notable)
Rochester Gtr Intl	United States	Record daily precipitation	26.4 mm (1.0 in)	40 of 100 (Notable)
Oakleigh (Metropolitan Golf Cl	Australia	Record daily precipitation	29.2 mm (1.1 in)	39 of 100 (Notable)
Canton L&D 20	United States	Record daily precipitation	86.9 mm (3.4 in)	39 of 100 (Notable)
Dargo	Australia	Record daily precipitation	33.0 mm (1.3 in)	38 of 100 (Notable)
Licola Rwc	Australia	Record daily precipitation	40.0 mm (1.6 in)	38 of 100 (Notable)
Port Dalhousie	Canada	Record daily precipitation	29.4 mm (1.2 in)	38 of 100 (Notable)
Tlacotepec de Benito Juarez	Mexico	Record daily precipitation	43.9 mm (1.7 in)	38 of 100 (Notable)
Fowler 3 NNE	United States	Record daily precipitation	52.1 mm (2.1 in)	38 of 100 (Notable)
Brighton (Dendy Park Bowling C	Australia	Record daily precipitation	31.0 mm (1.2 in)	37 of 100 (Notable)
Box Hill Aged Mens Retreat	Australia	Record daily precipitation	27.8 mm (1.1 in)	36 of 100 (Notable)
Eltham	Australia	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Lakin	United States	Record daily precipitation	38.1 mm (1.5 in)	36 of 100 (Notable)
Wamego 4 W	United States	Record daily precipitation	131.8 mm (5.2 in)	36 of 100 (Notable)
Edina	United States	Record daily precipitation	78.5 mm (3.1 in)	36 of 100 (Notable)
Essendon Airport	Australia	Record daily precipitation	54.0 mm (2.1 in)	35 of 100 (Notable)
Oaklands Junction	Australia	Record daily precipitation	32.2 mm (1.3 in)	35 of 100 (Notable)
Stavanger - Valand	Norway	Record daily precipitation	40.4 mm (1.6 in)	35 of 100 (Notable)
Sviland	Norway	Record daily precipitation	52.5 mm (2.1 in)	35 of 100 (Notable)
Rushville	United States	Record daily precipitation	90.2 mm (3.6 in)	35 of 100 (Notable)
Kinsley 2E	United States	Record daily precipitation	43.2 mm (1.7 in)	34 of 100 (Routine)
Lindsborg 3E	United States	Record daily precipitation	53.3 mm (2.1 in)	34 of 100 (Routine)
Meade	United States	Record daily precipitation	42.2 mm (1.7 in)	34 of 100 (Routine)
Westfield 2 SSE	United States	Record daily precipitation	74.4 mm (2.9 in)	34 of 100 (Routine)
Miami	United States	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Lafayette Purdue UNIV AP	United States	Record daily precipitation	52.1 mm (2.1 in)	34 of 100 (Routine)
Mornington	Australia	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)

Counts by Type and Timescale

457 records

Records set or tied on 13 September 1977 by type: Highest daily maximum 35, Lowest daily maximum 47, Highest daily minimum 46, Lowest daily minimum 59, Heaviest daily rainfall 270.

Records on 13 September 1977 by type
Record type	Records
Highest daily maximum	35
Lowest daily maximum	47
Highest daily minimum	46
Lowest daily minimum	59
Heaviest daily rainfall	270
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 13 September 1977 by timescale: all-time 1, monthly 8, daily 448.

How Much Records Were Beaten By

393 broken records

Margins by which the 393 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 70.3. Ties are not counted.

Top 20 by Significance

13 September 1977

Top 20 records on 13 September 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
13 September 1977	Keilor (Arundel), AU	daily rain	43.0 mm (1.7 in)	33.9 mm (1.3 in)	60 years	66 of 100 (Major)
13 September 1977	Delphi 2 N, US	daily rain	90.4 mm (3.6 in)	70.3 mm (2.8 in)	52 years	63 of 100 (Major)
13 September 1977	Lockport 2SE, US	daily rain	85.3 mm (3.4 in)	42.9 mm (1.7 in)	52 years	63 of 100 (Major)
13 September 1977	Lakes Entrance Post Office, AU	daily rain	41.0 mm (1.6 in)	18.1 mm (0.7 in)	93 years	62 of 100 (Major)
13 September 1977	Concordia, US	all-time rain	191.3 mm (7.5 in)	31.3 mm (1.2 in)	48 years	58 of 100 (Notable)
13 September 1977	Valencia Creek, AU	monthly rain	64.0 mm (2.5 in)	21.8 mm (0.9 in)	17 years	57 of 100 (Notable)
13 September 1977	Epping, AU	daily rain	46.4 mm (1.8 in)	32.4 mm (1.3 in)	34 years	57 of 100 (Notable)
13 September 1977	Pascoe Vale, AU	daily rain	44.2 mm (1.7 in)	22.1 mm (0.9 in)	36 years	57 of 100 (Notable)
13 September 1977	Hudson, US	daily rain	86.4 mm (3.4 in)	62.0 mm (2.4 in)	54 years	57 of 100 (Notable)
13 September 1977	Maribyrnong Explosives Factory, AU	daily rain	48.2 mm (1.9 in)	25.8 mm (1.0 in)	36 years	55 of 100 (Notable)
13 September 1977	Bushy Park, AU	daily rain	45.0 mm (1.8 in)	28.5 mm (1.1 in)	36 years	53 of 100 (Notable)
13 September 1977	Niagara Falls, CA	daily rain	70.1 mm (2.8 in)	51.3 mm (2.0 in)	23 years	53 of 100 (Notable)
13 September 1977	Durant, US	daily rain	110.5 mm (4.4 in)	64.8 mm (2.6 in)	44 years	53 of 100 (Notable)
13 September 1977	Welland, CA	daily rain	42.6 mm (1.7 in)	14.7 mm (0.6 in)	90 years	52 of 100 (Notable)
13 September 1977	Melbourne Regional Office, AU	daily rain	41.0 mm (1.6 in)	6.7 mm (0.26 in)	96 years	50 of 100 (Notable)
13 September 1977	Samarskoe, KZ	daily rain	31.1 mm (1.2 in)	15.3 mm (0.6 in)	35 years	50 of 100 (Notable)
13 September 1977	Beardstown, US	daily rain	84.6 mm (3.3 in)	45.5 mm (1.8 in)	40 years	50 of 100 (Notable)
13 September 1977	Quincy Dam 21, US	daily rain	90.9 mm (3.6 in)	59.7 mm (2.4 in)	28 years	50 of 100 (Notable)
13 September 1977	Huntington, US	daily rain	70.1 mm (2.8 in)	33.3 mm (1.3 in)	40 years	50 of 100 (Notable)
13 September 1977	La Estanzuela (Eele), UY	daily rain	87.0 mm (3.4 in)	55.0 mm (2.2 in)	31 years	49 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 1977

Records set or tied on this calendar date in each year from 1793 to 1977. 1977 had 457 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 1977-09-13: 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 2026-10-17 (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 10	283
10 to 20	57
20 to 30	23
30 to 40	15
40 to 50	6
50 to 60	5
60 to 70	3
70 to 80	1