Weather Records on 6 September 1963

419 weather records were set or tied worldwide on 6 September 1963. Highest significance: Grand Manan, CA.

Key Facts for 6 September 1963

On 6 September 1963, 419 weather records were set or tied at long-record stations worldwide.
167 were record highs and 122 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 6 monthly and 412 daily.
Grand Manan set a daily record precipitation of 60.7 mm (2.4 in) on 6 September 1963.
Across 164 earlier years (1794 to 2026) the same calendar date averaged 451 records.

Record Map

419 stations

419 station records on 6 September 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 September 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Grand Manan	Canada	Record daily precipitation	60.7 mm (2.4 in)	57 of 100 (Notable)
Orskar_A	Sweden	Record daily precipitation	35.8 mm (1.4 in)	48 of 100 (Notable)
Ketchikan AP	United States	Record daily precipitation	150.4 mm (5.9 in)	48 of 100 (Notable)
Charlottetown Cda	Canada	Record daily precipitation	48.0 mm (1.9 in)	46 of 100 (Notable)
Kotarh	India	Record daily precipitation	85.1 mm (3.4 in)	46 of 100 (Notable)
Baddeck	Canada	Record daily precipitation	51.1 mm (2.0 in)	45 of 100 (Notable)
St Andrews	Canada	Record daily precipitation	44.7 mm (1.8 in)	43 of 100 (Notable)
Newark Liberty Intl AP	United States	Record low maximum temperature	15.0 C (59.0 F)	42 of 100 (Notable)
Mehsana	India	Record daily precipitation	142.5 mm (5.6 in)	41 of 100 (Notable)
Petersburg 1	United States	Record daily precipitation	82.3 mm (3.2 in)	40 of 100 (Notable)
Mount Uniacke	Canada	Record daily precipitation	53.3 mm (2.1 in)	38 of 100 (Notable)
Niwai	India	Record daily precipitation	104.4 mm (4.1 in)	38 of 100 (Notable)
Castle Rock	United States	Record daily precipitation	25.7 mm (1.0 in)	38 of 100 (Notable)
McAdam	Canada	Record daily precipitation	30.2 mm (1.2 in)	37 of 100 (Notable)
Parrsboro	Canada	Record daily precipitation	36.8 mm (1.4 in)	36 of 100 (Notable)
Port Hastings	Canada	Record daily precipitation	41.4 mm (1.6 in)	36 of 100 (Notable)
Carson City	United States	Record high minimum temperature	15.0 C (59.0 F)	36 of 100 (Notable)
Gagetown 2	Canada	Record daily precipitation	39.1 mm (1.5 in)	35 of 100 (Notable)
Saguache	United States	Record high minimum temperature	11.7 C (53.1 F)	34 of 100 (Routine)
Nashua 2 NNW	United States	Record low maximum temperature	12.8 C (55.0 F)	34 of 100 (Routine)
Svenska Hogarna	Sweden	Record daily precipitation	36.7 mm (1.4 in)	33 of 100 (Routine)
Spanish Fk Pwr House	United States	Record daily precipitation	47.8 mm (1.9 in)	32 of 100 (Routine)
Houston Wb City	United States	Record high minimum temperature	26.7 C (80.1 F)	32 of 100 (Routine)
Ny City Cntrl Park	United States	Record low maximum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Upper Stewiacke	Canada	Record daily precipitation	37.1 mm (1.5 in)	31 of 100 (Routine)
Weston	United States	Record low maximum temperature	14.4 C (57.9 F)	31 of 100 (Routine)
Tree Point Lt STN	United States	Record daily precipitation	76.2 mm (3.0 in)	31 of 100 (Routine)
Fredericton Cda	Canada	Record daily precipitation	40.1 mm (1.6 in)	30 of 100 (Routine)
Grants Pass	United States	Record high minimum temperature	16.1 C (61.0 F)	30 of 100 (Routine)
Vale	United States	Record high minimum temperature	18.3 C (64.9 F)	30 of 100 (Routine)
Trafalgar	Canada	Record daily precipitation	36.1 mm (1.4 in)	29 of 100 (Routine)
Alturas	United States	Record high minimum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Tierra Amarilla 4 N	United States	Record daily precipitation	43.2 mm (1.7 in)	29 of 100 (Routine)
Lewisburg 3 N	United States	Record daily precipitation	41.9 mm (1.6 in)	29 of 100 (Routine)
Union 3 SSE	United States	Record daily precipitation	48.3 mm (1.9 in)	29 of 100 (Routine)
Farson 2NNE	United States	Record high minimum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Masset Airport	Canada	Record high minimum temperature	14.4 C (57.9 F)	28 of 100 (Routine)
Twin Falls 3 SE	United States	Record high minimum temperature	18.3 C (64.9 F)	28 of 100 (Routine)
Modoc Orchard	United States	Record high minimum temperature	16.7 C (62.1 F)	28 of 100 (Routine)
Butler	United States	Record low maximum temperature	17.2 C (63.0 F)	28 of 100 (Routine)
Srimadhopur	India	Record daily precipitation	48.3 mm (1.9 in)	27 of 100 (Routine)
Spicer	United States	Record high minimum temperature	10.6 C (51.1 F)	27 of 100 (Routine)
St Margaret's Bay	Canada	Record daily precipitation	43.2 mm (1.7 in)	26 of 100 (Routine)
Deols Chateauroux Aerodrome de	France	Record low maximum temperature	13.7 C (56.7 F)	26 of 100 (Routine)
Walden	United States	Record high minimum temperature	9.4 C (48.9 F)	26 of 100 (Routine)
Lowell	United States	Record low maximum temperature	13.3 C (55.9 F)	26 of 100 (Routine)
Ashland	United States	Record low maximum temperature	20.6 C (69.1 F)	26 of 100 (Routine)
Atlantic City Marina	United States	Record low maximum temperature	15.6 C (60.1 F)	26 of 100 (Routine)
Springfield	Canada	Record daily precipitation	37.6 mm (1.5 in)	25 of 100 (Routine)
Dhrangadhra	India	Record daily precipitation	67.2 mm (2.6 in)	25 of 100 (Routine)
Steamboat Springs	United States	Record high minimum temperature	11.1 C (52.0 F)	25 of 100 (Routine)
Pocomoke City	United States	Record low maximum temperature	20.0 C (68.0 F)	25 of 100 (Routine)
Piedmont	United States	Record low maximum temperature	12.8 C (55.0 F)	25 of 100 (Routine)
Banswara	India	Record daily precipitation	87.1 mm (3.4 in)	24 of 100 (Routine)
Lugano	Switzerland	Record daily precipitation	39.0 mm (1.5 in)	24 of 100 (Routine)
Caldwell	United States	Record high minimum temperature	17.8 C (64.0 F)	24 of 100 (Routine)
Wells	United States	Record high minimum temperature	12.8 C (55.0 F)	24 of 100 (Routine)
Mt Airy 2 W	United States	Record low maximum temperature	19.4 C (66.9 F)	24 of 100 (Routine)
Ashland	United States	Record high minimum temperature	16.7 C (62.1 F)	24 of 100 (Routine)
Chester 1 SE	United States	Record daily precipitation	49.5 mm (1.9 in)	24 of 100 (Routine)

Counts by Type and Timescale

419 records

Records set or tied on 6 September 1963 by type: Highest daily maximum 51, Lowest daily maximum 99, Highest daily minimum 116, Lowest daily minimum 23, Heaviest daily rainfall 130.

Records on 6 September 1963 by type
Record type	Records
Highest daily maximum	51
Lowest daily maximum	99
Highest daily minimum	116
Lowest daily minimum	23
Heaviest daily rainfall	130
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 6 September 1963 by timescale: all-time 1, monthly 6, daily 412.

How Much Records Were Beaten By

323 broken records

Margins by which the 323 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 93.8. Ties are not counted.

Top 20 by Significance

6 September 1963

Top 20 records on 6 September 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 September 1963	Grand Manan, CA	daily rain	60.7 mm (2.4 in)	37.6 mm (1.5 in)	52 years	57 of 100 (Notable)
6 September 1963	Orskar_A, SE	daily rain	35.8 mm (1.4 in)	20.1 mm (0.8 in)	10 years	48 of 100 (Notable)
6 September 1963	Ketchikan AP, US	daily rain	150.4 mm (5.9 in)	93.8 mm (3.7 in)	10 years	48 of 100 (Notable)
6 September 1963	Charlottetown Cda, CA	daily rain	48.0 mm (1.9 in)	39.9 mm (1.6 in)	21 years	46 of 100 (Notable)
6 September 1963	Kotarh, IN	daily rain	85.1 mm (3.4 in)	50.3 mm (2.0 in)	40 years	46 of 100 (Notable)
6 September 1963	Baddeck, CA	daily rain	51.1 mm (2.0 in)	38.4 mm (1.5 in)	21 years	45 of 100 (Notable)
6 September 1963	St Andrews, CA	daily rain	44.7 mm (1.8 in)	19.3 mm (0.8 in)	66 years	43 of 100 (Notable)
6 September 1963	Newark Liberty Intl AP, US	daily low max	15.0 C (59.0 F)	1.7 C (3.1 F)	98 years	42 of 100 (Notable)
6 September 1963	Mehsana, IN	daily rain	142.5 mm (5.6 in)	91.7 mm (3.6 in)	8 years	41 of 100 (Notable)
6 September 1963	Petersburg 1, US	daily rain	82.3 mm (3.2 in)	53.3 mm (2.1 in)	8 years	40 of 100 (Notable)
6 September 1963	Mount Uniacke, CA	daily rain	53.3 mm (2.1 in)	42.4 mm (1.7 in)	22 years	38 of 100 (Notable)
6 September 1963	Niwai, IN	daily rain	104.4 mm (4.1 in)	63.8 mm (2.5 in)	14 years	38 of 100 (Notable)
6 September 1963	Castle Rock, US	daily rain	25.7 mm (1.0 in)	12.2 mm (0.5 in)	48 years	38 of 100 (Notable)
6 September 1963	McAdam, CA	daily rain	30.2 mm (1.2 in)	22.8 mm (0.9 in)	38 years	37 of 100 (Notable)
6 September 1963	Parrsboro, CA	daily rain	36.8 mm (1.4 in)	16.5 mm (0.6 in)	58 years	36 of 100 (Notable)
6 September 1963	Port Hastings, CA	daily rain	41.4 mm (1.6 in)	13.7 mm (0.5 in)	63 years	36 of 100 (Notable)
6 September 1963	Carson City, US	daily high min	15.0 C (59.0 F)	3.9 C (7.0 F)	68 years	36 of 100 (Notable)
6 September 1963	Gagetown 2, CA	daily rain	39.1 mm (1.5 in)	28.9 mm (1.1 in)	21 years	35 of 100 (Notable)
6 September 1963	Saguache, US	daily high min	11.7 C (53.1 F)	2.8 C (5.0 F)	63 years	34 of 100 (Routine)
6 September 1963	Nashua 2 NNW, US	daily low max	12.8 C (55.0 F)	2.8 C (5.0 F)	74 years	34 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

1794 to 1963

Records set or tied on this calendar date in each year from 1794 to 1963. 1963 had 419 records.

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

Records on 09-06 in each year
Year	Records
1794	1
1802	1
1803	1
1812	1
1814	2
1833	1
1834	1
1841	1
1853	1
1854	1
1861	1
1865	2
1866	2
1867	1
1868	1
1869	2
1871	2
1872	2
1873	2
1876	1
1877	1
1880	1
1881	3
1883	2
1884	1
1885	1
1887	2
1888	1
1890	3
1891	1
1892	4
1893	2
1894	4
1895	4
1896	2
1897	4
1898	5
1899	5
1900	5
1901	2
1902	5
1903	5
1904	6
1905	14
1906	8
1907	14
1908	36
1909	13
1910	28
1911	20
1912	55
1913	21
1914	23
1915	14
1916	16
1917	23
1918	62
1919	106
1920	172
1921	67
1922	114
1923	153
1924	335
1925	290
1926	123
1927	137
1928	252
1929	359
1930	101
1931	324
1932	275
1933	368
1934	462
1935	341
1936	338
1937	237
1938	322
1939	447
1940	170
1941	276
1942	284
1943	831
1944	392
1945	537
1946	426
1947	895
1948	379
1949	525
1950	699
1951	263
1952	350
1953	396
1954	567
1955	493
1956	735
1957	311
1958	489
1959	405
1960	382
1961	317
1962	772
1963	419
1964	393
1965	722
1966	296
1967	878
1968	512
1969	737
1970	910
1971	436
1972	567
1973	866
1974	897
1975	426
1976	915
1977	467
1978	1,273
1979	892
1980	458
1981	542
1982	744
1983	1,965
1984	1,354
1985	1,371
1986	751
1987	735
1988	1,547
1989	544
1990	805
1991	757
1992	1,084
1993	856
1994	622
1995	1,220
1996	934
1997	1,389
1998	1,385
1999	1,048
2000	1,500
2001	631
2002	867
2003	718
2004	956
2005	601
2006	1,104
2007	1,246
2008	1,430
2009	735
2010	1,259
2011	1,684
2012	803
2013	886
2014	588
2015	692
2016	605
2017	838
2018	714
2019	797
2020	1,349
2021	407
2022	1,782
2023	905
2024	1,161
2025	894
2026	846

Download the Data

Data for records on 1963-09-06: 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	300
20 to 40	15
40 to 60	5
60 to 80	1
80 to 100	2