Weather Records on 4 September 1964

507 weather records were set or tied worldwide on 4 September 1964. Highest significance: Great Western (Seppelt), AU.

Key Facts for 4 September 1964

On 4 September 1964, 507 weather records were set or tied at long-record stations worldwide.
60 were record highs and 75 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 503 daily.
Great Western (Seppelt) set a daily record precipitation of 46.7 mm (1.8 in) on 4 September 1964.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 451 records.

Record Map

507 stations

507 station records on 4 September 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 September 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Great Western (Seppelt)	Australia	Record daily precipitation	46.7 mm (1.8 in)	68 of 100 (Major)
Moyston	Australia	Record daily precipitation	45.2 mm (1.8 in)	61 of 100 (Major)
Kanigiri	India	Record daily precipitation	76.0 mm (3.0 in)	56 of 100 (Notable)
Motihari	India	Record daily precipitation	157.0 mm (6.2 in)	55 of 100 (Notable)
Aquidaba	Brazil	Record daily precipitation	50.3 mm (2.0 in)	53 of 100 (Notable)
Dharapuram	India	Record daily precipitation	83.2 mm (3.3 in)	53 of 100 (Notable)
Lake Lonsdale	Australia	Record daily precipitation	34.3 mm (1.4 in)	52 of 100 (Notable)
Beaufort (Wongan)	Australia	Record daily precipitation	27.9 mm (1.1 in)	50 of 100 (Notable)
Woomera (Arcoona)	Australia	Record daily precipitation	26.9 mm (1.1 in)	48 of 100 (Notable)
Glenorchy	Australia	Record daily precipitation	32.0 mm (1.3 in)	48 of 100 (Notable)
Japaratuba	Brazil	Record daily precipitation	44.2 mm (1.7 in)	48 of 100 (Notable)
Beckum-Unterberg	Germany	Record daily precipitation	32.5 mm (1.3 in)	46 of 100 (Notable)
Tottington	Australia	Record daily precipitation	28.4 mm (1.1 in)	45 of 100 (Notable)
St Andrews	Canada	Record daily precipitation	31.8 mm (1.3 in)	45 of 100 (Notable)
Moorabool Reservoir	Australia	Record daily precipitation	30.5 mm (1.2 in)	43 of 100 (Notable)
Navarre	Australia	Record daily precipitation	28.7 mm (1.1 in)	42 of 100 (Notable)
Ararat Post Office	Australia	Record daily precipitation	46.2 mm (1.8 in)	42 of 100 (Notable)
Elmhurst	Australia	Record daily precipitation	38.1 mm (1.5 in)	39 of 100 (Notable)
Branxholme (Bassett)	Australia	Record daily precipitation	28.7 mm (1.1 in)	39 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record high minimum temperature	15.4 C (59.7 F)	38 of 100 (Notable)
Deloraine (Athol)	Australia	Record daily precipitation	33.0 mm (1.3 in)	38 of 100 (Notable)
Faribault	United States	Record daily precipitation	41.4 mm (1.6 in)	38 of 100 (Notable)
Caveside	Australia	Record daily precipitation	37.8 mm (1.5 in)	37 of 100 (Notable)
Yolla (Sea View)	Australia	Record daily precipitation	47.5 mm (1.9 in)	37 of 100 (Notable)
Bikin	Russia	Record daily precipitation	42.5 mm (1.7 in)	37 of 100 (Notable)
Conception	United States	Record daily precipitation	44.2 mm (1.7 in)	36 of 100 (Notable)
Washington	United States	Record high maximum temperature	35.0 C (95.0 F)	36 of 100 (Notable)
Chauradano	India	Record daily precipitation	137.0 mm (5.4 in)	35 of 100 (Notable)
Canadian	United States	Record daily precipitation	57.9 mm (2.3 in)	35 of 100 (Notable)
Beales Reservoir	Australia	Record daily precipitation	26.2 mm (1.0 in)	34 of 100 (Routine)
Willaura (Yarram Park)	Australia	Record daily precipitation	31.2 mm (1.2 in)	34 of 100 (Routine)
Wilmot (Back Road)	Australia	Record daily precipitation	41.7 mm (1.6 in)	34 of 100 (Routine)
Belle Isle	Canada	Record low minimum temperature	1.1 C (34.0 F)	34 of 100 (Routine)
Hatteras	United States	Record low minimum temperature	16.7 C (62.1 F)	34 of 100 (Routine)
Independence #1	United States	Record daily precipitation	25.1 mm (1.0 in)	33 of 100 (Routine)
Chickmagalur	India	Record daily precipitation	38.1 mm (1.5 in)	32 of 100 (Routine)
Kamuthi	India	Record daily precipitation	51.0 mm (2.0 in)	32 of 100 (Routine)
Eversley	Australia	Record daily precipitation	31.8 mm (1.3 in)	31 of 100 (Routine)
Hobart (Ellerslie Road)	Australia	Record high minimum temperature	12.3 C (54.1 F)	31 of 100 (Routine)
Mont-Aigoual	France	Record daily precipitation	91.0 mm (3.6 in)	31 of 100 (Routine)
Trawalla	Australia	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Sheffield	Australia	Record daily precipitation	36.6 mm (1.4 in)	30 of 100 (Routine)
Piler(Pileru)	India	Record daily precipitation	81.2 mm (3.2 in)	30 of 100 (Routine)
Newark Liberty Intl AP	United States	Record high maximum temperature	35.0 C (95.0 F)	30 of 100 (Routine)
Barkly	Australia	Record daily precipitation	30.5 mm (1.2 in)	29 of 100 (Routine)
Bungaree (Kirks Reservoir)	Australia	Record daily precipitation	25.4 mm (1.0 in)	29 of 100 (Routine)
Apollo Bay	Australia	Record daily precipitation	36.6 mm (1.4 in)	29 of 100 (Routine)
Golden Valley	Australia	Record daily precipitation	30.2 mm (1.2 in)	29 of 100 (Routine)
Dhaka	India	Record daily precipitation	95.0 mm (3.7 in)	29 of 100 (Routine)
Skovorodino	Russia	Record daily precipitation	34.7 mm (1.4 in)	29 of 100 (Routine)
Mirranatwa (Bowacka)	Australia	Record daily precipitation	48.3 mm (1.9 in)	28 of 100 (Routine)
Merino	Australia	Record daily precipitation	26.4 mm (1.0 in)	27 of 100 (Routine)
Chetwynd	Australia	Record daily precipitation	27.4 mm (1.1 in)	27 of 100 (Routine)
Elliott Research Station	Australia	Record daily precipitation	41.9 mm (1.6 in)	27 of 100 (Routine)
Moltema (Craythorne)	Australia	Record daily precipitation	26.9 mm (1.1 in)	27 of 100 (Routine)
Waratah (Mount Road)	Australia	Record daily precipitation	47.0 mm (1.9 in)	27 of 100 (Routine)
Jamui	India	Record daily precipitation	61.4 mm (2.4 in)	27 of 100 (Routine)
Lake City Exp Farm	United States	Record high minimum temperature	17.8 C (64.0 F)	27 of 100 (Routine)
Gallatin 1W	United States	Record daily precipitation	53.8 mm (2.1 in)	27 of 100 (Routine)
Bellellen	Australia	Record daily precipitation	51.1 mm (2.0 in)	26 of 100 (Routine)

Counts by Type and Timescale

507 records

Records set or tied on 4 September 1964 by type: Highest daily maximum 29, Lowest daily maximum 14, Highest daily minimum 31, Lowest daily minimum 61, Heaviest daily rainfall 372.

Records on 4 September 1964 by type
Record type	Records
Highest daily maximum	29
Lowest daily maximum	14
Highest daily minimum	31
Lowest daily minimum	61
Heaviest daily rainfall	372
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 September 1964 by timescale: all-time 0, monthly 4, daily 503.

How Much Records Were Beaten By

437 broken records

Margins by which the 437 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 93.5. Ties are not counted.

Top 20 by Significance

4 September 1964

Top 20 records on 4 September 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 September 1964	Great Western (Seppelt), AU	daily rain	46.7 mm (1.8 in)	35.3 mm (1.4 in)	70 years	68 of 100 (Major)
4 September 1964	Moyston, AU	daily rain	45.2 mm (1.8 in)	27.2 mm (1.1 in)	47 years	61 of 100 (Major)
4 September 1964	Kanigiri, IN	daily rain	76.0 mm (3.0 in)	55.9 mm (2.2 in)	55 years	56 of 100 (Notable)
4 September 1964	Motihari, IN	daily rain	157.0 mm (6.2 in)	93.5 mm (3.7 in)	44 years	55 of 100 (Notable)
4 September 1964	Aquidaba, BR	monthly rain	50.3 mm (2.0 in)	14.1 mm (0.6 in)	50 years	53 of 100 (Notable)
4 September 1964	Dharapuram, IN	daily rain	83.2 mm (3.3 in)	75.1 mm (3.0 in)	29 years	53 of 100 (Notable)
4 September 1964	Lake Lonsdale, AU	daily rain	34.3 mm (1.4 in)	25.4 mm (1.0 in)	32 years	52 of 100 (Notable)
4 September 1964	Beaufort (Wongan), AU	daily rain	27.9 mm (1.1 in)	13.2 mm (0.5 in)	61 years	50 of 100 (Notable)
4 September 1964	Woomera (Arcoona), AU	daily rain	26.9 mm (1.1 in)	21.8 mm (0.9 in)	44 years	48 of 100 (Notable)
4 September 1964	Glenorchy, AU	daily rain	32.0 mm (1.3 in)	22.9 mm (0.9 in)	16 years	48 of 100 (Notable)
4 September 1964	Japaratuba, BR	daily rain	44.2 mm (1.7 in)	27.6 mm (1.1 in)	47 years	48 of 100 (Notable)
4 September 1964	Beckum-Unterberg, DE	daily rain	32.5 mm (1.3 in)	21.9 mm (0.9 in)	25 years	46 of 100 (Notable)
4 September 1964	Tottington, AU	daily rain	28.4 mm (1.1 in)	12.1 mm (0.5 in)	65 years	45 of 100 (Notable)
4 September 1964	St Andrews, CA	daily rain	31.8 mm (1.3 in)	20.9 mm (0.8 in)	67 years	45 of 100 (Notable)
4 September 1964	Moorabool Reservoir, AU	daily rain	30.5 mm (1.2 in)	18.8 mm (0.7 in)	45 years	43 of 100 (Notable)
4 September 1964	Navarre, AU	daily rain	28.7 mm (1.1 in)	11.7 mm (0.5 in)	65 years	42 of 100 (Notable)
4 September 1964	Ararat Post Office, AU	daily rain	46.2 mm (1.8 in)	9.6 mm (0.38 in)	54 years	42 of 100 (Notable)
4 September 1964	Elmhurst, AU	daily rain	38.1 mm (1.5 in)	23.4 mm (0.9 in)	4 years	39 of 100 (Notable)
4 September 1964	Branxholme (Bassett), AU	daily rain	28.7 mm (1.1 in)	3.8 mm (0.15 in)	80 years	39 of 100 (Notable)
4 September 1964	Sydney (Observatory Hill), AU	daily high min	15.4 C (59.7 F)	0.6 C (1.1 F)	89 years	38 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

1802 to 1964

Records set or tied on this calendar date in each year from 1802 to 1964. 1964 had 507 records.

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

Records on 09-04 in each year
Year	Records
1802	1
1805	1
1823	1
1833	1
1837	1
1839	1
1845	1
1847	1
1850	1
1854	1
1856	1
1857	1
1858	1
1861	1
1863	1
1864	1
1867	1
1868	1
1869	2
1871	1
1872	4
1874	1
1875	1
1877	1
1880	4
1881	1
1883	2
1885	3
1887	1
1888	2
1889	1
1890	1
1891	5
1894	4
1895	6
1896	1
1897	4
1898	9
1899	4
1900	1
1901	4
1902	4
1903	2
1904	7
1905	18
1906	16
1907	22
1908	9
1909	23
1910	91
1911	25
1912	29
1913	29
1914	19
1915	37
1916	24
1917	40
1918	96
1919	48
1920	105
1921	105
1922	62
1923	325
1924	167
1925	339
1926	256
1927	68
1928	341
1929	371
1930	102
1931	477
1932	429
1933	424
1934	393
1935	514
1936	309
1937	411
1938	236
1939	434
1940	287
1941	528
1942	323
1943	472
1944	341
1945	542
1946	431
1947	618
1948	409
1949	370
1950	642
1951	404
1952	645
1953	869
1954	372
1955	465
1956	586
1957	250
1958	384
1959	316
1960	552
1961	909
1962	733
1963	443
1964	507
1965	611
1966	428
1967	786
1968	546
1969	510
1970	644
1971	717
1972	513
1973	530
1974	2,279
1975	432
1976	582
1977	386
1978	940
1979	461
1980	355
1981	582
1982	617
1983	1,040
1984	1,107
1985	915
1986	663
1987	685
1988	1,259
1989	681
1990	787
1991	708
1992	1,132
1993	859
1994	1,001
1995	1,287
1996	907
1997	1,452
1998	1,564
1999	1,479
2000	1,336
2001	833
2002	767
2003	1,094
2004	898
2005	998
2006	1,268
2007	1,077
2008	1,335
2009	914
2010	1,804
2011	1,310
2012	1,209
2013	630
2014	461
2015	893
2016	597
2017	881
2018	758
2019	616
2020	957
2021	544
2022	1,256
2023	1,290
2024	985
2025	635
2026	1,222

Download the Data

Data for records on 1964-09-04: 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 20	411
20 to 40	18
40 to 60	5
60 to 80	2
80 to 100	1