Weather Records on 7 September 1921

80 weather records were set or tied worldwide on 7 September 1921. Highest significance: Galway, IE.

Key Facts for 7 September 1921

On 7 September 1921, 80 weather records were set or tied at long-record stations worldwide.
11 were record highs and 5 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 80 daily.
Galway set a daily record precipitation of 42.0 mm (1.7 in) on 7 September 1921.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 453 records.

Record Map

80 stations

80 station records on 7 September 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 September 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Galway	Ireland	Record daily precipitation	42.0 mm (1.7 in)	48 of 100 (Notable)
St John's	Canada	Record daily precipitation	46.7 mm (1.8 in)	41 of 100 (Notable)
Pooncarie (Tarcoola)	Australia	Record daily precipitation	26.2 mm (1.0 in)	39 of 100 (Notable)
Beulah	Australia	Record daily precipitation	30.7 mm (1.2 in)	38 of 100 (Notable)
Buangor 1	Australia	Record daily precipitation	28.2 mm (1.1 in)	38 of 100 (Notable)
Litchfield	Australia	Record daily precipitation	38.6 mm (1.5 in)	37 of 100 (Notable)
Warranooke (Glenorchy)	Australia	Record daily precipitation	30.5 mm (1.2 in)	36 of 100 (Notable)
Knysna (Tnk)	South Africa	Record daily precipitation	36.8 mm (1.4 in)	29 of 100 (Routine)
Scotsburn (Mount Boninyong)	Australia	Record daily precipitation	49.5 mm (1.9 in)	27 of 100 (Routine)
Harkerville (Bos)	South Africa	Record daily precipitation	41.9 mm (1.6 in)	27 of 100 (Routine)
Barkerville	Canada	Record daily precipitation	27.2 mm (1.1 in)	26 of 100 (Routine)
Mackay Post Office	Australia	Record daily precipitation	46.2 mm (1.8 in)	25 of 100 (Routine)
Baltimore Customs House	United States	Record daily precipitation	49.5 mm (1.9 in)	25 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record high minimum temperature	15.0 C (59.0 F)	24 of 100 (Routine)
Adelaide West Terrace	Australia	Record high minimum temperature	17.4 C (63.3 F)	21 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record high maximum temperature	22.2 C (72.0 F)	21 of 100 (Routine)
Beaufort (Stoneleigh)	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Sedan (Sandleton)	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Athens	United States	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Whroo	Australia	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Cairns Post Office	Australia	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Nebo	Australia	Record daily precipitation	5.3 mm (0.21 in)	20 of 100 (Routine)
Kingscote	Australia	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Ravenswood Post Office	Australia	Record daily precipitation	3.0 mm (0.12 in)	20 of 100 (Routine)
Conargo (Willurah)	Australia	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Peak Downs	Australia	Record daily precipitation	8.6 mm (0.34 in)	20 of 100 (Routine)
East London -Signal STN	South Africa	Record daily precipitation	35.6 mm (1.4 in)	20 of 100 (Routine)
Tunis	Tunisia	Record high minimum temperature	24.0 C (75.2 F)	20 of 100 (Routine)
Charters Towers Post Office	Australia	Record daily precipitation	7.4 mm (0.29 in)	19 of 100 (Routine)
Clermont Sirius St	Australia	Record daily precipitation	0.5 mm (0.02 in)	18 of 100 (Routine)
Sidi-Bel-Abbes	Algeria	Record low maximum temperature	27.0 C (80.6 F)	17 of 100 (Routine)
Bowen Post Office	Australia	Record daily precipitation	22.4 mm (0.9 in)	17 of 100 (Routine)
Menindee (Weinteriga)	Australia	Record daily precipitation	21.6 mm (0.9 in)	17 of 100 (Routine)
Tampa	United States	Record high minimum temperature	25.6 C (78.1 F)	17 of 100 (Routine)
Houston Wb City	United States	Record low maximum temperature	24.4 C (75.9 F)	17 of 100 (Routine)
Robe Comparison	Australia	Record high minimum temperature	14.9 C (58.8 F)	16 of 100 (Routine)
Morven Post Office	Australia	Record daily precipitation	5.6 mm (0.22 in)	16 of 100 (Routine)
Goornong	Australia	Record daily precipitation	24.4 mm (1.0 in)	16 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record daily precipitation	14.7 mm (0.6 in)	16 of 100 (Routine)
Yankalilla (Woodvale)	Australia	Record daily precipitation	19.6 mm (0.8 in)	15 of 100 (Routine)
Emerald Post Office	Australia	Record daily precipitation	6.9 mm (0.27 in)	15 of 100 (Routine)
Charleville Post Office	Australia	Record daily precipitation	1.3 mm (0.05 in)	14 of 100 (Routine)
Yanco Glen (Corona Homestead)	Australia	Record daily precipitation	5.3 mm (0.21 in)	14 of 100 (Routine)
Cottbus	Germany	Record low minimum temperature	3.6 C (38.5 F)	14 of 100 (Routine)
Goudveld (Bos)	South Africa	Record daily precipitation	25.1 mm (1.0 in)	14 of 100 (Routine)
Burdekin Shire Council	Australia	Record daily precipitation	13.7 mm (0.5 in)	13 of 100 (Routine)
Tullaroop Reservoir	Australia	Record daily precipitation	25.7 mm (1.0 in)	13 of 100 (Routine)
Biskra	Algeria	Record high minimum temperature	30.0 C (86.0 F)	12 of 100 (Routine)
Manna Hill	Australia	Record daily precipitation	2.3 mm (0.09 in)	12 of 100 (Routine)
Mein Station	Australia	Record daily precipitation	0.8 mm (0.03 in)	12 of 100 (Routine)
Townsville Pilot Station	Australia	Record daily precipitation	10.2 mm (0.4 in)	12 of 100 (Routine)
Mt Perry the Pines	Australia	Record daily precipitation	13.0 mm (0.5 in)	12 of 100 (Routine)
Mildura Post Office	Australia	Record high minimum temperature	17.2 C (63.0 F)	12 of 100 (Routine)
Kazan	Russia	Record low minimum temperature	3.2 C (37.8 F)	12 of 100 (Routine)
Grahamstown	South Africa	Record daily precipitation	10.2 mm (0.4 in)	12 of 100 (Routine)
Bogantungan Post Office	Australia	Record daily precipitation	2.5 mm (0.10 in)	11 of 100 (Routine)
Bustard Head Lighthouse	Australia	Record daily precipitation	4.1 mm (0.16 in)	11 of 100 (Routine)
Minneapolis Wb Dwtn	United States	Record daily precipitation	18.0 mm (0.7 in)	11 of 100 (Routine)
Dilkara (Florieton)	Australia	Record daily precipitation	7.6 mm (0.30 in)	10 of 100 (Routine)
Moreton Telegraph Station	Australia	Record daily precipitation	1.5 mm (0.06 in)	10 of 100 (Routine)

Counts by Type and Timescale

80 records

Records set or tied on 7 September 1921 by type: Highest daily maximum 3, Lowest daily maximum 2, Highest daily minimum 8, Lowest daily minimum 3, Heaviest daily rainfall 64.

Records on 7 September 1921 by type
Record type	Records
Highest daily maximum	3
Lowest daily maximum	2
Highest daily minimum	8
Lowest daily minimum	3
Heaviest daily rainfall	64
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 7 September 1921 by timescale: all-time 0, monthly 0, daily 80.

How Much Records Were Beaten By

74 broken records

Margins by which the 74 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 43.2. Ties are not counted.

Top 20 by Significance

7 September 1921

Top 20 records on 7 September 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 September 1921	Galway, IE	daily rain	42.0 mm (1.7 in)	16.3 mm (0.6 in)	51 years	48 of 100 (Notable)
7 September 1921	St John's, CA	daily rain	46.7 mm (1.8 in)	28.4 mm (1.1 in)	30 years	41 of 100 (Notable)
7 September 1921	Pooncarie (Tarcoola), AU	daily rain	26.2 mm (1.0 in)	16.8 mm (0.7 in)	41 years	39 of 100 (Notable)
7 September 1921	Beulah, AU	daily rain	30.7 mm (1.2 in)	27.7 mm (1.1 in)	2 years	38 of 100 (Notable)
7 September 1921	Buangor 1, AU	daily rain	28.2 mm (1.1 in)	21.8 mm (0.9 in)	4 years	38 of 100 (Notable)
7 September 1921	Litchfield, AU	daily rain	38.6 mm (1.5 in)	20.8 mm (0.8 in)	0 years	37 of 100 (Notable)
7 September 1921	Warranooke (Glenorchy), AU	daily rain	30.5 mm (1.2 in)	21.6 mm (0.9 in)	2 years	36 of 100 (Notable)
7 September 1921	Knysna (Tnk), ZA	daily rain	36.8 mm (1.4 in)	19.5 mm (0.8 in)	36 years	29 of 100 (Routine)
7 September 1921	Scotsburn (Mount Boninyong), AU	daily rain	49.5 mm (1.9 in)	11.4 mm (0.4 in)	30 years	27 of 100 (Routine)
7 September 1921	Harkerville (Bos), ZA	daily rain	41.9 mm (1.6 in)	23.9 mm (0.9 in)	18 years	27 of 100 (Routine)
7 September 1921	Barkerville, CA	daily rain	27.2 mm (1.1 in)	13.5 mm (0.5 in)	18 years	26 of 100 (Routine)
7 September 1921	Mackay Post Office, AU	daily rain	46.2 mm (1.8 in)	43.2 mm (1.7 in)	7 years	25 of 100 (Routine)
7 September 1921	Baltimore Customs House, US	daily rain	49.5 mm (1.9 in)	12.9 mm (0.5 in)	43 years	25 of 100 (Routine)
7 September 1921	Cape Otway Lighthouse, AU	daily high min	15.0 C (59.0 F)	1.1 C (2.0 F)	50 years	24 of 100 (Routine)
7 September 1921	Adelaide West Terrace, AU	daily high min	17.4 C (63.3 F)	3.6 C (6.5 F)	20 years	21 of 100 (Routine)
7 September 1921	Cape Otway Lighthouse, AU	daily high max	22.2 C (72.0 F)	1.1 C (2.0 F)	45 years	21 of 100 (Routine)
7 September 1921	Beaufort (Stoneleigh), AU	daily rain	21.6 mm (0.9 in)	10.2 mm (0.4 in)	30 years	20 of 100 (Routine)
7 September 1921	Sedan (Sandleton), AU	daily rain	12.7 mm (0.5 in)	10.7 mm (0.4 in)	27 years	20 of 100 (Routine)
7 September 1921	Athens, US	daily rain	24.1 mm (0.9 in)	6.6 mm (0.26 in)	47 years	20 of 100 (Routine)
7 September 1921	Whroo, AU	daily rain	22.1 mm (0.9 in)	9.1 mm (0.36 in)	34 years	20 of 100 (Routine)

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

1802 to 1921

Records set or tied on this calendar date in each year from 1802 to 1921. 1921 had 80 records.

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

Records on 09-07 in each year
Year	Records
1802	2
1814	2
1816	1
1833	1
1845	2
1847	1
1848	1
1850	1
1852	1
1856	1
1859	1
1860	2
1861	1
1864	2
1865	3
1868	1
1870	1
1871	4
1872	3
1873	1
1877	4
1878	1
1879	1
1881	2
1882	1
1883	2
1886	1
1887	3
1888	1
1889	1
1890	2
1891	7
1892	3
1894	8
1895	7
1896	1
1897	2
1898	8
1899	3
1900	1
1901	6
1902	3
1903	7
1904	8
1905	20
1906	8
1907	5
1908	26
1909	11
1910	15
1911	20
1912	39
1913	20
1914	29
1915	28
1916	39
1917	44
1918	35
1919	184
1920	375
1921	80
1922	98
1923	125
1924	232
1925	303
1926	117
1927	147
1928	130
1929	355
1930	108
1931	400
1932	478
1933	287
1934	566
1935	275
1936	370
1937	260
1938	348
1939	634
1940	226
1941	451
1942	415
1943	591
1944	519
1945	482
1946	356
1947	625
1948	353
1949	705
1950	704
1951	342
1952	301
1953	446
1954	390
1955	405
1956	752
1957	498
1958	570
1959	583
1960	763
1961	312
1962	729
1963	448
1964	463
1965	672
1966	365
1967	535
1968	417
1969	696
1970	917
1971	648
1972	534
1973	674
1974	709
1975	423
1976	763
1977	674
1978	1,165
1979	583
1980	613
1981	622
1982	684
1983	1,235
1984	1,396
1985	1,459
1986	1,062
1987	956
1988	1,266
1989	553
1990	900
1991	957
1992	1,257
1993	720
1994	523
1995	1,093
1996	982
1997	799
1998	1,262
1999	1,087
2000	1,320
2001	1,068
2002	1,169
2003	768
2004	865
2005	708
2006	1,105
2007	1,171
2008	1,210
2009	713
2010	1,147
2011	1,452
2012	699
2013	981
2014	491
2015	637
2016	868
2017	966
2018	723
2019	743
2020	1,352
2021	794
2022	2,096
2023	1,116
2024	1,216
2025	711
2026	760

Download the Data

Data for records on 1921-09-07: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Histogram of margins by which records were beaten on 7 September 1921
Margin	Records
0 to 10	55
10 to 20	12
20 to 30	6
30 to 40	0
40 to 50	1