Weather Records on 21 September 1956

1,100 weather records were set or tied worldwide on 21 September 1956. Highest significance: Bathurst Gaol, AU.

Key Facts for 21 September 1956

On 21 September 1956, 1,100 weather records were set or tied at long-record stations worldwide.
278 were record highs and 546 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 38 monthly and 1,062 daily.
Bathurst Gaol set a daily record precipitation of 25.1 mm (1.0 in) on 21 September 1956.
Across 155 earlier years (1805 to 2026) the same calendar date averaged 447 records.

Record Map

1,100 stations

1,100 station records on 21 September 1956 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 September 1956: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bathurst Gaol	Australia	Record daily precipitation	25.1 mm (1.0 in)	53 of 100 (Notable)
Villa Nora (Pol)	South Africa	Record daily precipitation	34.0 mm (1.3 in)	46 of 100 (Notable)
Wallaroi	Australia	Record daily precipitation	34.0 mm (1.3 in)	45 of 100 (Notable)
Pirie (Bos)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	44 of 100 (Notable)
Isidinge (Bos)	South Africa	Record daily precipitation	53.5 mm (2.1 in)	43 of 100 (Notable)
Fountain Head	South Africa	Record daily precipitation	41.2 mm (1.6 in)	43 of 100 (Notable)
Wattle Flat General Store	Australia	Record daily precipitation	32.5 mm (1.3 in)	42 of 100 (Notable)
Armagh	United Kingdom	Record high minimum temperature	13.5 C (56.3 F)	42 of 100 (Notable)
Blayney (Vittoria)	Australia	Record daily precipitation	36.8 mm (1.4 in)	40 of 100 (Notable)
Jenner	Canada	Record daily precipitation	41.9 mm (1.6 in)	40 of 100 (Notable)
Pembroke Eddy Match	Canada	Record low maximum temperature	6.1 C (43.0 F)	40 of 100 (Notable)
Kovvur	India	Record daily precipitation	84.3 mm (3.3 in)	40 of 100 (Notable)
Ranfurly	Canada	Record daily precipitation	37.1 mm (1.5 in)	39 of 100 (Notable)
Rockford	South Africa	Record daily precipitation	30.0 mm (1.2 in)	39 of 100 (Notable)
Rockley Post Office	Australia	Record daily precipitation	25.9 mm (1.0 in)	38 of 100 (Notable)
Nueva Rosita	Mexico	Record low minimum temperature	5.0 C (41.0 F)	38 of 100 (Notable)
Carmichael (Tnk)	South Africa	Record daily precipitation	32.0 mm (1.3 in)	38 of 100 (Notable)
Porto Novo	India	Record daily precipitation	76.2 mm (3.0 in)	37 of 100 (Notable)
Bucyrus	United States	Record low minimum temperature	-3.9 C (25.0 F)	37 of 100 (Notable)
Washington	United States	Record low minimum temperature	5.0 C (41.0 F)	37 of 100 (Notable)
Wandsworth (Strabanne)	Australia	Record daily precipitation	28.4 mm (1.1 in)	36 of 100 (Notable)
Bodangora Post Office	Australia	Record daily precipitation	47.0 mm (1.9 in)	36 of 100 (Notable)
Alexandria (Pol)	South Africa	Record daily precipitation	52.0 mm (2.0 in)	35 of 100 (Notable)
Grahamstown	South Africa	Record daily precipitation	41.0 mm (1.6 in)	35 of 100 (Notable)
Baltimore Customs House	United States	Record low minimum temperature	5.6 C (42.1 F)	35 of 100 (Notable)
Simcoe	Canada	Record low minimum temperature	-1.1 C (30.0 F)	34 of 100 (Routine)
Chingleput	India	Record daily precipitation	85.3 mm (3.4 in)	34 of 100 (Routine)
O'Connell (Stratford)	Australia	Record daily precipitation	30.2 mm (1.2 in)	33 of 100 (Routine)
Khairagarh	India	Record daily precipitation	94.5 mm (3.7 in)	32 of 100 (Routine)
Gudauri	Georgia	Record daily precipitation	43.9 mm (1.7 in)	31 of 100 (Routine)
Wallajah	India	Record daily precipitation	74.4 mm (2.9 in)	31 of 100 (Routine)
Thakurdwara	India	Record daily precipitation	59.9 mm (2.4 in)	31 of 100 (Routine)
Newark Ag Farm	United States	Record low minimum temperature	0.6 C (33.1 F)	31 of 100 (Routine)
Lawrence	United States	Record high maximum temperature	36.1 C (97.0 F)	31 of 100 (Routine)
Marietta Wtr Wks	United States	Record low minimum temperature	0.0 C (32.0 F)	31 of 100 (Routine)
Lawrenceville 2 S	United States	Record low maximum temperature	10.0 C (50.0 F)	31 of 100 (Routine)
Hargraves (Weeroona)	Australia	Record daily precipitation	31.8 mm (1.3 in)	30 of 100 (Routine)
Manildra (Hazeldale)	Australia	Record daily precipitation	25.4 mm (1.0 in)	30 of 100 (Routine)
Kangiara (Laverstock)	Australia	Record daily precipitation	33.5 mm (1.3 in)	30 of 100 (Routine)
Arni	India	Record daily precipitation	72.4 mm (2.9 in)	30 of 100 (Routine)
Chestertown	United States	Record low minimum temperature	3.9 C (39.0 F)	30 of 100 (Routine)
Adams	United States	Record low maximum temperature	12.2 C (54.0 F)	30 of 100 (Routine)
Weston	United States	Record low minimum temperature	-1.1 C (30.0 F)	30 of 100 (Routine)
Chambersburg 1 ESE	United States	Record low minimum temperature	-1.1 C (30.0 F)	30 of 100 (Routine)
Johnstown	United States	Record low minimum temperature	-2.8 C (27.0 F)	30 of 100 (Routine)
Wytheville	United States	Record low minimum temperature	-1.1 C (30.0 F)	30 of 100 (Routine)
Ramtek	India	Record daily precipitation	75.9 mm (3.0 in)	29 of 100 (Routine)
Oxford	United Kingdom	Record high maximum temperature	22.8 C (73.0 F)	29 of 100 (Routine)
Charlotte	United States	Record low minimum temperature	-3.9 C (25.0 F)	29 of 100 (Routine)
Manchester	United States	Record low maximum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Cape May 2 NW	United States	Record low minimum temperature	5.6 C (42.1 F)	29 of 100 (Routine)
Greenville Wtp	United States	Record low minimum temperature	-1.7 C (28.9 F)	29 of 100 (Routine)
Orange 3	Australia	Record daily precipitation	31.5 mm (1.2 in)	28 of 100 (Routine)
Horton	United States	Record high maximum temperature	36.7 C (98.1 F)	28 of 100 (Routine)
Manhattan	United States	Record high maximum temperature	38.3 C (100.9 F)	28 of 100 (Routine)
Pocomoke City	United States	Record low maximum temperature	18.3 C (64.9 F)	28 of 100 (Routine)
Westernport	United States	Record low minimum temperature	-1.1 C (30.0 F)	28 of 100 (Routine)
Hebron	United States	Record high maximum temperature	39.4 C (102.9 F)	28 of 100 (Routine)
Manchester	United States	Record low minimum temperature	0.6 C (33.1 F)	28 of 100 (Routine)
Freehold-Marlboro	United States	Record low minimum temperature	1.7 C (35.1 F)	28 of 100 (Routine)

Counts by Type and Timescale

1,100 records

Records set or tied on 21 September 1956 by type: Highest daily maximum 195, Lowest daily maximum 145, Highest daily minimum 83, Lowest daily minimum 401, Heaviest daily rainfall 272, Heaviest daily snowfall 3, Deepest snow cover 1.

Records on 21 September 1956 by type
Record type	Records
Highest daily maximum	195
Lowest daily maximum	145
Highest daily minimum	83
Lowest daily minimum	401
Heaviest daily rainfall	272
Heaviest daily snowfall	3
Deepest snow cover	1

Records on 21 September 1956 by timescale: all-time 0, monthly 38, daily 1,062.

How Much Records Were Beaten By

896 broken records

Margins by which the 896 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 51.0. Ties are not counted.

Top 20 by Significance

21 September 1956

Top 20 records on 21 September 1956 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 September 1956	Bathurst Gaol, AU	daily rain	25.1 mm (1.0 in)	14.4 mm (0.6 in)	78 years	53 of 100 (Notable)
21 September 1956	Villa Nora (Pol), ZA	daily rain	34.0 mm (1.3 in)	28.4 mm (1.1 in)	47 years	46 of 100 (Notable)
21 September 1956	Wallaroi, AU	daily rain	34.0 mm (1.3 in)	25.6 mm (1.0 in)	22 years	45 of 100 (Notable)
21 September 1956	Pirie (Bos), ZA	daily rain	40.0 mm (1.6 in)	28.3 mm (1.1 in)	49 years	44 of 100 (Notable)
21 September 1956	Isidinge (Bos), ZA	daily rain	53.5 mm (2.1 in)	39.5 mm (1.6 in)	12 years	43 of 100 (Notable)
21 September 1956	Fountain Head, ZA	daily rain	41.2 mm (1.6 in)	29.5 mm (1.2 in)	31 years	43 of 100 (Notable)
21 September 1956	Wattle Flat General Store, AU	daily rain	32.5 mm (1.3 in)	17.0 mm (0.7 in)	56 years	42 of 100 (Notable)
21 September 1956	Armagh, GB	daily high min	13.5 C (56.3 F)	0.6 C (1.1 F)	100 years	42 of 100 (Notable)
21 September 1956	Blayney (Vittoria), AU	daily rain	36.8 mm (1.4 in)	24.9 mm (1.0 in)	21 years	40 of 100 (Notable)
21 September 1956	Jenner, CA	daily rain	41.9 mm (1.6 in)	27.9 mm (1.1 in)	1 year	40 of 100 (Notable)
21 September 1956	Pembroke Eddy Match, CA	daily low max	6.1 C (43.0 F)	2.8 C (5.0 F)	89 years	40 of 100 (Notable)
21 September 1956	Kovvur, IN	daily rain	84.3 mm (3.3 in)	38.6 mm (1.5 in)	54 years	40 of 100 (Notable)
21 September 1956	Ranfurly, CA	daily rain	37.1 mm (1.5 in)	20.6 mm (0.8 in)	1 year	39 of 100 (Notable)
21 September 1956	Rockford, ZA	daily rain	30.0 mm (1.2 in)	25.2 mm (1.0 in)	31 years	39 of 100 (Notable)
21 September 1956	Rockley Post Office, AU	daily rain	25.9 mm (1.0 in)	11.7 mm (0.5 in)	56 years	38 of 100 (Notable)
21 September 1956	Nueva Rosita, MX	daily low min	5.0 C (41.0 F)	10.0 C (18.0 F)	13 years	38 of 100 (Notable)
21 September 1956	Carmichael (Tnk), ZA	daily rain	32.0 mm (1.3 in)	30.2 mm (1.2 in)	6 years	38 of 100 (Notable)
21 September 1956	Porto Novo, IN	daily rain	76.2 mm (3.0 in)	41.4 mm (1.6 in)	45 years	37 of 100 (Notable)
21 September 1956	Bucyrus, US	monthly low min	-3.9 C (25.0 F)	1.7 C (3.1 F)	62 years	37 of 100 (Notable)
21 September 1956	Washington, US	daily low min	5.0 C (41.0 F)	1.7 C (3.1 F)	82 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 1956

Records set or tied on this calendar date in each year from 1805 to 1956. 1956 had 1,100 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	591
2026	478

Download the Data

Data for records on 1956-09-21: 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 2026-10-15 (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).

Histogram of margins by which records were beaten on 21 September 1956
Margin	Records
0 to 10	825
10 to 20	43
20 to 30	15
30 to 40	8
40 to 50	4
50 to 60	1