Weather Records on 3 September 1921

116 weather records were set or tied worldwide on 3 September 1921. Highest significance: Oestersund-Froesoen, SE.

Key Facts for 3 September 1921

On 3 September 1921, 116 weather records were set or tied at long-record stations worldwide.
39 were record highs and 5 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 108 daily.
Oestersund-Froesoen set a daily record precipitation of 32.0 mm (1.3 in) on 3 September 1921.
Across 170 earlier years (1811 to 2026) the same calendar date averaged 440 records.

Record Map

116 stations

116 station records on 3 September 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 3 September 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Oestersund-Froesoen	Sweden	Record daily precipitation	32.0 mm (1.3 in)	40 of 100 (Notable)
London South	Canada	Record daily precipitation	30.5 mm (1.2 in)	30 of 100 (Routine)
Saint John	Canada	Record high maximum temperature	30.6 C (87.1 F)	29 of 100 (Routine)
Alpha Post Office	Australia	Record daily precipitation	48.3 mm (1.9 in)	28 of 100 (Routine)
Barcaldine Post Office	Australia	Record daily precipitation	31.8 mm (1.3 in)	26 of 100 (Routine)
Portland	United States	Record high minimum temperature	21.7 C (71.1 F)	26 of 100 (Routine)
Guelph Oac	Canada	Record daily precipitation	31.8 mm (1.3 in)	23 of 100 (Routine)
Westminster	Canada	Record daily precipitation	25.9 mm (1.0 in)	23 of 100 (Routine)
Harnosand	Sweden	Record daily precipitation	64.8 mm (2.6 in)	23 of 100 (Routine)
Minnedosa	Canada	Record daily precipitation	31.0 mm (1.2 in)	22 of 100 (Routine)
Port Arthur	Canada	Record high maximum temperature	27.8 C (82.0 F)	22 of 100 (Routine)
Blue Hill Coop	United States	Record high minimum temperature	22.8 C (73.0 F)	21 of 100 (Routine)
Thargomindah Post Office	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Hungerford	Australia	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Milparinka Hotel	Australia	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
White Cliffs (Tongo)	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Tulloona (Coolanga)	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Goorimpa	Australia	Record daily precipitation	6.4 mm (0.25 in)	20 of 100 (Routine)
Eulo Post Office	Australia	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Kallara	Australia	Record daily precipitation	6.6 mm (0.26 in)	20 of 100 (Routine)
Tilpa (Tongo Road)	Australia	Record daily precipitation	6.4 mm (0.25 in)	20 of 100 (Routine)
Sveg	Sweden	Record daily precipitation	21.2 mm (0.8 in)	20 of 100 (Routine)
Normanton Post Office	Australia	Record daily precipitation	2.3 mm (0.09 in)	20 of 100 (Routine)
Cobar (Tindarey)	Australia	Record daily precipitation	5.3 mm (0.21 in)	20 of 100 (Routine)
Cobar (Paddington)	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Hogsback (Bos)	South Africa	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Coronga Peak	Australia	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Barraba (Mount Lindsay)	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Columbia Wb City	United States	Record daily precipitation	53.3 mm (2.1 in)	20 of 100 (Routine)
Cambridge Downs Station	Australia	Record daily precipitation	5.8 mm (0.23 in)	19 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record daily precipitation	25.4 mm (1.0 in)	19 of 100 (Routine)
Cape May 2 NW	United States	Record high maximum temperature	33.9 C (93.0 F)	19 of 100 (Routine)
Tinapagee	Australia	Record daily precipitation	6.4 mm (0.25 in)	18 of 100 (Routine)
Colane	Australia	Record daily precipitation	4.1 mm (0.16 in)	18 of 100 (Routine)
Alice Post Office	Australia	Record daily precipitation	26.2 mm (1.0 in)	17 of 100 (Routine)
Milparinka (Yandama Downs)	Australia	Record daily precipitation	3.8 mm (0.15 in)	17 of 100 (Routine)
Quantambone	Australia	Record daily precipitation	2.3 mm (0.09 in)	17 of 100 (Routine)
Nocoleche	Australia	Record daily precipitation	1.5 mm (0.06 in)	17 of 100 (Routine)
Fort National	Algeria	Record high maximum temperature	39.0 C (102.2 F)	16 of 100 (Routine)
Innamincka Police Camp	Australia	Record daily precipitation	2.5 mm (0.10 in)	16 of 100 (Routine)
Blackall Township	Australia	Record daily precipitation	26.9 mm (1.1 in)	16 of 100 (Routine)
Gnomery	Australia	Record daily precipitation	2.5 mm (0.10 in)	16 of 100 (Routine)
Louth (Bloxham Street)	Australia	Record daily precipitation	1.5 mm (0.06 in)	16 of 100 (Routine)
Wangamana	Australia	Record daily precipitation	2.0 mm (0.08 in)	16 of 100 (Routine)
Atlantic City Marina	United States	Record high maximum temperature	33.9 C (93.0 F)	16 of 100 (Routine)
Port Douglas - Warner St	Australia	Record daily precipitation	7.1 mm (0.28 in)	15 of 100 (Routine)
Maneroo	Australia	Record daily precipitation	1.0 mm (0.04 in)	15 of 100 (Routine)
Boorara	Australia	Record daily precipitation	3.8 mm (0.15 in)	15 of 100 (Routine)
Tibooburra Post Office	Australia	Record daily precipitation	6.4 mm (0.25 in)	15 of 100 (Routine)
Poplitah	Australia	Record daily precipitation	5.1 mm (0.20 in)	15 of 100 (Routine)
Cobar (Springfield 2)	Australia	Record daily precipitation	1.8 mm (0.07 in)	15 of 100 (Routine)
St Albans	Canada	Record daily precipitation	15.7 mm (0.6 in)	15 of 100 (Routine)
Sydney	Canada	Record high maximum temperature	29.4 C (84.9 F)	15 of 100 (Routine)
Charlottetown	Canada	Record high minimum temperature	17.8 C (64.0 F)	15 of 100 (Routine)
Tbilisi	Georgia	Record daily precipitation	21.5 mm (0.8 in)	15 of 100 (Routine)
Portland	United States	Record high maximum temperature	32.8 C (91.0 F)	15 of 100 (Routine)
Jundah Post Office	Australia	Record daily precipitation	9.9 mm (0.39 in)	14 of 100 (Routine)
Cape Moreton Lighthouse	Australia	Record daily precipitation	17.5 mm (0.7 in)	14 of 100 (Routine)
Beechal	Australia	Record daily precipitation	8.9 mm (0.35 in)	14 of 100 (Routine)
Genoa (Gipsy Point)	Australia	Record daily precipitation	49.5 mm (1.9 in)	14 of 100 (Routine)

Counts by Type and Timescale

116 records

Records set or tied on 3 September 1921 by type: Highest daily maximum 17, Lowest daily maximum 1, Highest daily minimum 22, Lowest daily minimum 4, Heaviest daily rainfall 72.

Records on 3 September 1921 by type
Record type	Records
Highest daily maximum	17
Lowest daily maximum	1
Highest daily minimum	22
Lowest daily minimum	4
Heaviest daily rainfall	72
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 3 September 1921 by timescale: all-time 0, monthly 8, daily 108.

How Much Records Were Beaten By

93 broken records

Margins by which the 93 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 28.7. Ties are not counted.

Top 20 by Significance

3 September 1921

Top 20 records on 3 September 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
3 September 1921	Oestersund-Froesoen, SE	daily rain	32.0 mm (1.3 in)	11.5 mm (0.5 in)	38 years	40 of 100 (Notable)
3 September 1921	London South, CA	daily rain	30.5 mm (1.2 in)	20.1 mm (0.8 in)	16 years	30 of 100 (Routine)
3 September 1921	Saint John, CA	monthly high max	30.6 C (87.1 F)	1.2 C (2.2 F)	36 years	29 of 100 (Routine)
3 September 1921	Alpha Post Office, AU	daily rain	48.3 mm (1.9 in)	21.9 mm (0.9 in)	26 years	28 of 100 (Routine)
3 September 1921	Barcaldine Post Office, AU	daily rain	31.8 mm (1.3 in)	18.8 mm (0.7 in)	28 years	26 of 100 (Routine)
3 September 1921	Portland, US	monthly high min	21.7 C (71.1 F)	0.6 C (1.1 F)	39 years	26 of 100 (Routine)
3 September 1921	Guelph Oac, CA	daily rain	31.8 mm (1.3 in)	12.0 mm (0.5 in)	16 years	23 of 100 (Routine)
3 September 1921	Westminster, CA	daily rain	25.9 mm (1.0 in)	14.5 mm (0.6 in)	19 years	23 of 100 (Routine)
3 September 1921	Harnosand, SE	daily rain	64.8 mm (2.6 in)	5.3 mm (0.21 in)	36 years	23 of 100 (Routine)
3 September 1921	Minnedosa, CA	daily rain	31.0 mm (1.2 in)	7.4 mm (0.29 in)	22 years	22 of 100 (Routine)
3 September 1921	Port Arthur, CA	daily high max	27.8 C (82.0 F)	2.2 C (4.0 F)	43 years	22 of 100 (Routine)
3 September 1921	Blue Hill Coop, US	monthly high min	22.8 C (73.0 F)	0.6 C (1.1 F)	25 years	21 of 100 (Routine)
3 September 1921	Thargomindah Post Office, AU	daily rain	23.4 mm (0.9 in)	22.9 mm (0.9 in)	0 years	20 of 100 (Routine)
3 September 1921	Hungerford, AU	daily rain	16.8 mm (0.7 in)	14.3 mm (0.6 in)	36 years	20 of 100 (Routine)
3 September 1921	Milparinka Hotel, AU	daily rain	12.2 mm (0.5 in)	11.7 mm (0.5 in)	28 years	20 of 100 (Routine)
3 September 1921	White Cliffs (Tongo), AU	daily rain	19.1 mm (0.8 in)	18.1 mm (0.7 in)	12 years	20 of 100 (Routine)
3 September 1921	Tulloona (Coolanga), AU	daily rain	17.8 mm (0.7 in)	12.5 mm (0.5 in)	33 years	20 of 100 (Routine)
3 September 1921	Goorimpa, AU	daily rain	6.4 mm (0.25 in)	6.4 mm (0.25 in)	41 years	20 of 100 (Routine)
3 September 1921	Eulo Post Office, AU	daily rain	8.9 mm (0.35 in)	8.9 mm (0.35 in)	33 years	20 of 100 (Routine)
3 September 1921	Kallara, AU	daily rain	6.6 mm (0.26 in)	5.8 mm (0.23 in)	42 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

1811 to 1921

Records set or tied on this calendar date in each year from 1811 to 1921. 1921 had 116 records.

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

Records on 09-03 in each year
Year	Records
1811	1
1823	1
1835	1
1843	1
1844	1
1846	1
1847	2
1849	1
1851	1
1852	1
1853	1
1854	1
1856	2
1861	1
1862	1
1865	1
1867	1
1868	1
1869	1
1871	2
1872	1
1873	1
1874	2
1875	1
1876	1
1877	3
1878	3
1880	4
1882	1
1884	1
1885	3
1886	3
1887	2
1888	1
1889	1
1890	2
1891	4
1892	4
1894	3
1895	8
1896	1
1897	3
1898	8
1899	1
1900	3
1901	3
1902	3
1903	4
1904	12
1905	22
1906	14
1907	13
1908	10
1909	22
1910	28
1911	87
1912	76
1913	21
1914	14
1915	20
1916	32
1917	20
1918	135
1919	68
1920	65
1921	116
1922	51
1923	134
1924	189
1925	290
1926	225
1927	67
1928	302
1929	431
1930	120
1931	429
1932	411
1933	270
1934	587
1935	453
1936	342
1937	774
1938	336
1939	656
1940	213
1941	406
1942	451
1943	286
1944	282
1945	404
1946	524
1947	1,515
1948	453
1949	281
1950	654
1951	455
1952	823
1953	846
1954	350
1955	492
1956	482
1957	315
1958	539
1959	380
1960	462
1961	996
1962	415
1963	295
1964	422
1965	472
1966	387
1967	901
1968	378
1969	516
1970	566
1971	570
1972	691
1973	766
1974	2,122
1975	530
1976	795
1977	542
1978	635
1979	755
1980	517
1981	518
1982	699
1983	947
1984	838
1985	983
1986	735
1987	666
1988	1,224
1989	723
1990	773
1991	782
1992	1,127
1993	1,226
1994	1,249
1995	1,409
1996	683
1997	1,274
1998	1,333
1999	1,520
2000	1,722
2001	799
2002	605
2003	1,259
2004	704
2005	727
2006	1,512
2007	1,032
2008	1,183
2009	801
2010	1,204
2011	1,252
2012	944
2013	694
2014	535
2015	760
2016	833
2017	1,122
2018	680
2019	644
2020	756
2021	493
2022	1,587
2023	969
2024	851
2025	533
2026	1,240

Download the Data

Data for records on 1921-09-03: 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).

Margin	Records
0 to 5	58
5 to 10	17
10 to 15	9
15 to 20	4
20 to 25	4
25 to 30	1