Weather Records on 21 September 1981

696 weather records were set or tied worldwide on 21 September 1981. Highest significance: Greenmount Post Office, AU.

Key Facts for 21 September 1981

On 21 September 1981, 696 weather records were set or tied at long-record stations worldwide.
337 were record highs and 213 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 22 monthly and 674 daily.
Greenmount Post Office set a daily record precipitation of 43.0 mm (1.7 in) on 21 September 1981.
Across 155 earlier years (1805 to 2026) the same calendar date averaged 449 records.

Record Map

696 stations

696 station records on 21 September 1981 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 September 1981: highest significance records shown on the map
Station	Country	Type	Value	Significance
Greenmount Post Office	Australia	Record daily precipitation	43.0 mm (1.7 in)	51 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record high minimum temperature	19.2 C (66.6 F)	50 of 100 (Notable)
Nagornyj	Russia	Record daily precipitation	47.1 mm (1.9 in)	49 of 100 (Notable)
Jena Sternwarte	Germany	Record high minimum temperature	17.6 C (63.7 F)	48 of 100 (Notable)
Navojoa	Mexico	Record daily precipitation	71.4 mm (2.8 in)	47 of 100 (Notable)
Resolute Cars	Canada	Record daily snowfall	8.7 cm (3.4 in)	46 of 100 (Notable)
Deols Chateauroux Aerodrome de	France	Record daily precipitation	48.5 mm (1.9 in)	44 of 100 (Notable)
Apuka	Russia	Record daily precipitation	43.6 mm (1.7 in)	44 of 100 (Notable)
Waycross 4 NE	United States	Record low minimum temperature	5.0 C (41.0 F)	44 of 100 (Notable)
Tallahassee	United States	Record low minimum temperature	10.0 C (50.0 F)	44 of 100 (Notable)
Glen Elgin (Glenbrook)	Australia	Record daily precipitation	36.0 mm (1.4 in)	43 of 100 (Notable)
Monticello 5 SE	United States	Record low minimum temperature	6.1 C (43.0 F)	43 of 100 (Notable)
Freiburg	Germany	Record high minimum temperature	18.5 C (65.3 F)	42 of 100 (Notable)
Jacksonville NAS	United States	Record low minimum temperature	13.9 C (57.0 F)	42 of 100 (Notable)
Moorang	Australia	Record daily precipitation	39.0 mm (1.5 in)	40 of 100 (Notable)
Chatillon-Coligny	France	Record daily precipitation	41.5 mm (1.6 in)	39 of 100 (Notable)
Chipley	United States	Record low minimum temperature	6.7 C (44.1 F)	39 of 100 (Notable)
Albany 3 SE	United States	Record low minimum temperature	6.7 C (44.1 F)	38 of 100 (Notable)
Toowoomba	Australia	Record daily precipitation	36.6 mm (1.4 in)	37 of 100 (Notable)
Live Oak	United States	Record low minimum temperature	12.2 C (54.0 F)	37 of 100 (Notable)
Southport 5 N	United States	Record low minimum temperature	8.9 C (48.0 F)	37 of 100 (Notable)
Upper Forest Springs	Australia	Record daily precipitation	31.2 mm (1.2 in)	36 of 100 (Notable)
Glen Innes (Mt Mitchell Forest	Australia	Record daily precipitation	30.6 mm (1.2 in)	36 of 100 (Notable)
Pichucalco (Smn)	Mexico	Record low minimum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Minas Nuevas	Mexico	Record daily precipitation	82.8 mm (3.3 in)	36 of 100 (Notable)
Juncos 1 SE	Puerto Rico [United States]	Record low minimum temperature	13.3 C (55.9 F)	36 of 100 (Notable)
High Springs	United States	Record low minimum temperature	10.6 C (51.1 F)	36 of 100 (Notable)
Upper Pilton	Australia	Record daily precipitation	60.0 mm (2.4 in)	35 of 100 (Notable)
Oslo Blindern	Norway	Record daily precipitation	38.2 mm (1.5 in)	35 of 100 (Notable)
De Funiak Springs 1 E	United States	Record low minimum temperature	7.2 C (45.0 F)	35 of 100 (Notable)
Mayo	United States	Record low minimum temperature	9.4 C (48.9 F)	35 of 100 (Notable)
Hawkinsville	United States	Record low minimum temperature	6.1 C (43.0 F)	35 of 100 (Notable)
Quitman 2 NW	United States	Record low minimum temperature	7.8 C (46.0 F)	35 of 100 (Notable)
Saginaw Mbs Intl AP	United States	Record low maximum temperature	8.3 C (46.9 F)	34 of 100 (Routine)
Big Creek	Canada	Record low minimum temperature	-9.5 C (14.9 F)	33 of 100 (Routine)
Jumatan (Cfe)	Mexico	Record low minimum temperature	17.8 C (64.0 F)	33 of 100 (Routine)
Ljubljana Bezigrad	Slovenia	Record high minimum temperature	18.1 C (64.6 F)	33 of 100 (Routine)
Chon Buri	Thailand	Record daily precipitation	74.3 mm (2.9 in)	32 of 100 (Routine)
Halle	Germany	Record high minimum temperature	19.0 C (66.2 F)	31 of 100 (Routine)
Apizaco	Mexico	Record high maximum temperature	27.8 C (82.0 F)	31 of 100 (Routine)
Big Rapids Wtp	United States	Record low maximum temperature	8.3 C (46.9 F)	31 of 100 (Routine)
Luling	United States	Record low minimum temperature	8.9 C (48.0 F)	31 of 100 (Routine)
Salzburg	Austria	Record high maximum temperature	29.3 C (84.7 F)	30 of 100 (Routine)
Vouziers	France	Record daily precipitation	25.5 mm (1.0 in)	30 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record high maximum temperature	27.3 C (81.1 F)	30 of 100 (Routine)
Palpan	Mexico	Record high minimum temperature	17.8 C (64.0 F)	30 of 100 (Routine)
Dublin	United States	Record low minimum temperature	6.7 C (44.1 F)	30 of 100 (Routine)
Lumpkin 2 SE	United States	Record low minimum temperature	8.3 C (46.9 F)	30 of 100 (Routine)
Reserve	United States	Record low minimum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
Kholo	Australia	Record daily precipitation	26.0 mm (1.0 in)	29 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record high minimum temperature	15.4 C (59.7 F)	29 of 100 (Routine)
Greylingstad (Sar)	South Africa	Record daily precipitation	48.5 mm (1.9 in)	29 of 100 (Routine)
Auberry 2 NW	United States	Record high minimum temperature	23.9 C (75.0 F)	29 of 100 (Routine)
Warrenton	United States	Record low minimum temperature	7.8 C (46.0 F)	29 of 100 (Routine)
Muskegon Co AP	United States	Record low maximum temperature	10.0 C (50.0 F)	29 of 100 (Routine)
Port Aux Basques	Canada	Record low minimum temperature	1.6 C (34.9 F)	28 of 100 (Routine)
Gilserberg-Moischeid	Germany	Record daily precipitation	37.4 mm (1.5 in)	28 of 100 (Routine)
Greensboro	United States	Record low minimum temperature	6.1 C (43.0 F)	28 of 100 (Routine)
Americus	United States	Record low minimum temperature	7.2 C (45.0 F)	28 of 100 (Routine)
Douglas	United States	Record low minimum temperature	9.4 C (48.9 F)	28 of 100 (Routine)

Counts by Type and Timescale

696 records

Records set or tied on 21 September 1981 by type: Highest daily maximum 143, Lowest daily maximum 56, Highest daily minimum 194, Lowest daily minimum 157, Heaviest daily rainfall 143, Heaviest daily snowfall 2, Deepest snow cover 1.

Records on 21 September 1981 by type
Record type	Records
Highest daily maximum	143
Lowest daily maximum	56
Highest daily minimum	194
Lowest daily minimum	157
Heaviest daily rainfall	143
Heaviest daily snowfall	2
Deepest snow cover	1

Records on 21 September 1981 by timescale: all-time 0, monthly 22, daily 674.

How Much Records Were Beaten By

570 broken records

Margins by which the 570 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 59.0. Ties are not counted.

Top 20 by Significance

21 September 1981

Top 20 records on 21 September 1981 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 September 1981	Greenmount Post Office, AU	daily rain	43.0 mm (1.7 in)	34.4 mm (1.4 in)	24 years	51 of 100 (Notable)
21 September 1981	Leipzig-Holzhausen, DE	monthly high min	19.2 C (66.6 F)	0.2 C (0.4 F)	109 years	50 of 100 (Notable)
21 September 1981	Nagornyj, RU	daily rain	47.1 mm (1.9 in)	24.5 mm (1.0 in)	40 years	49 of 100 (Notable)
21 September 1981	Jena Sternwarte, DE	daily high min	17.6 C (63.7 F)	2.8 C (5.0 F)	107 years	48 of 100 (Notable)
21 September 1981	Navojoa, MX	daily rain	71.4 mm (2.8 in)	52.6 mm (2.1 in)	38 years	47 of 100 (Notable)
21 September 1981	Resolute Cars, CA	daily snowfall	8.7 cm (3.4 in)	5.9 cm (2.3 in)	20 years	46 of 100 (Notable)
21 September 1981	Deols Chateauroux Aerodrome de, FR	daily rain	48.5 mm (1.9 in)	9.2 mm (0.36 in)	80 years	44 of 100 (Notable)
21 September 1981	Apuka, RU	daily rain	43.6 mm (1.7 in)	27.4 mm (1.1 in)	12 years	44 of 100 (Notable)
21 September 1981	Waycross 4 NE, US	daily low min	5.0 C (41.0 F)	5.0 C (9.0 F)	63 years	44 of 100 (Notable)
21 September 1981	Tallahassee, US	daily low min	10.0 C (50.0 F)	7.8 C (14.0 F)	39 years	44 of 100 (Notable)
21 September 1981	Glen Elgin (Glenbrook), AU	daily rain	36.0 mm (1.4 in)	28.6 mm (1.1 in)	10 years	43 of 100 (Notable)
21 September 1981	Monticello 5 SE, US	daily low min	6.1 C (43.0 F)	4.5 C (8.1 F)	64 years	43 of 100 (Notable)
21 September 1981	Freiburg, DE	daily high min	18.5 C (65.3 F)	2.3 C (4.1 F)	88 years	42 of 100 (Notable)
21 September 1981	Jacksonville NAS, US	daily low min	13.9 C (57.0 F)	6.1 C (11.0 F)	31 years	42 of 100 (Notable)
21 September 1981	Moorang, AU	daily rain	39.0 mm (1.5 in)	35.2 mm (1.4 in)	24 years	40 of 100 (Notable)
21 September 1981	Chatillon-Coligny, FR	monthly rain	41.5 mm (1.6 in)	9.9 mm (0.39 in)	23 years	39 of 100 (Notable)
21 September 1981	Chipley, US	daily low min	6.7 C (44.1 F)	7.7 C (13.9 F)	24 years	39 of 100 (Notable)
21 September 1981	Albany 3 SE, US	daily low min	6.7 C (44.1 F)	3.3 C (5.9 F)	63 years	38 of 100 (Notable)
21 September 1981	Toowoomba, AU	daily rain	36.6 mm (1.4 in)	0.3 mm (0.01 in)	90 years	37 of 100 (Notable)
21 September 1981	Live Oak, US	daily low min	12.2 C (54.0 F)	3.4 C (6.1 F)	56 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

1805 to 1981

Records set or tied on this calendar date in each year from 1805 to 1981. 1981 had 696 records.

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

Records on 09-21 in each year
Year	Records
1805	1
1812	1
1825	2
1840	1
1841	1
1842	1
1848	1
1854	1
1856	2
1868	1
1872	2
1873	1
1877	1
1878	1
1881	1
1882	1
1884	1
1886	1
1888	2
1889	1
1891	10
1892	1
1893	10
1894	2
1895	3
1896	2
1897	6
1898	6
1899	3
1900	2
1901	5
1902	5
1903	8
1904	20
1905	12
1906	17
1907	10
1908	17
1909	10
1910	8
1911	18
1912	26
1913	37
1914	29
1915	34
1916	48
1917	28
1918	43
1919	54
1920	29
1921	64
1922	35
1923	232
1924	291
1925	278
1926	178
1927	165
1928	81
1929	232
1930	82
1931	681
1932	242
1933	193
1934	492
1935	199
1936	329
1937	487
1938	508
1939	308
1940	908
1941	416
1942	291
1943	407
1944	413
1945	507
1946	176
1947	534
1948	301
1949	298
1950	334
1951	241
1952	430
1953	382
1954	453
1955	752
1956	1,100
1957	366
1958	588
1959	513
1960	418
1961	441
1962	1,085
1963	306
1964	374
1965	1,088
1966	565
1967	577
1968	790
1969	593
1970	708
1971	645
1972	599
1973	421
1974	652
1975	528
1976	694
1977	918
1978	818
1979	736
1980	990
1981	696
1982	1,484
1983	2,207
1984	707
1985	796
1986	671
1987	965
1988	557
1989	1,002
1990	716
1991	1,021
1992	752
1993	911
1994	713
1995	2,002
1996	1,233
1997	1,112
1998	1,481
1999	1,025
2000	884
2001	718
2002	696
2003	959
2004	888
2005	1,143
2006	920
2007	742
2008	740
2009	715
2010	1,290
2011	542
2012	595
2013	769
2014	716
2015	565
2016	989
2017	1,178
2018	1,051
2019	833
2020	580
2021	465
2022	1,049
2023	783
2024	470
2025	588
2026	469

Download the Data

Data for records on 1981-09-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 10	532
10 to 20	22
20 to 30	8
30 to 40	4
40 to 50	1
50 to 60	3