Weather Records on 9 September 1947

465 weather records were set or tied worldwide on 9 September 1947. Highest significance: Nypo, AU.

Key Facts for 9 September 1947

On 9 September 1947, 465 weather records were set or tied at long-record stations worldwide.
271 were record highs and 40 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 12 monthly and 452 daily.
Nypo set a daily record precipitation of 31.8 mm (1.3 in) on 9 September 1947.
Across 162 earlier years (1806 to 2026) the same calendar date averaged 461 records.

Record Map

465 stations

465 station records on 9 September 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 September 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nypo	Australia	Record daily precipitation	31.8 mm (1.3 in)	59 of 100 (Notable)
Woomargama Estate	Australia	Record daily precipitation	36.8 mm (1.4 in)	52 of 100 (Notable)
Milan Exp STN	United States	Record daily precipitation	50.3 mm (2.0 in)	38 of 100 (Notable)
Rock House	United States	Record high maximum temperature	36.7 C (98.1 F)	34 of 100 (Routine)
Mahendraganj	India	Record daily precipitation	99.8 mm (3.9 in)	29 of 100 (Routine)
Old Halls Creek	Australia	Record low maximum temperature	23.3 C (73.9 F)	28 of 100 (Routine)
Pala	India	Record daily precipitation	83.8 mm (3.3 in)	28 of 100 (Routine)
Burdwan	India	Record daily precipitation	74.2 mm (2.9 in)	28 of 100 (Routine)
Goderich	Canada	Record high maximum temperature	31.7 C (89.1 F)	27 of 100 (Routine)
Southampton	Canada	Record high maximum temperature	32.8 C (91.0 F)	27 of 100 (Routine)
Gangapur	India	Record daily precipitation	38.4 mm (1.5 in)	27 of 100 (Routine)
Haparanda	Sweden	Record high maximum temperature	19.0 C (66.2 F)	27 of 100 (Routine)
Ashwood	United States	Record high minimum temperature	24.4 C (75.9 F)	27 of 100 (Routine)
Dryden	Canada	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)
Haringhata	India	Record daily precipitation	105.7 mm (4.2 in)	25 of 100 (Routine)
Upper Lake 2 N	United States	Record low minimum temperature	2.8 C (37.0 F)	24 of 100 (Routine)
Independence	United States	Record high maximum temperature	36.7 C (98.1 F)	24 of 100 (Routine)
Nigriting	India	Record daily precipitation	74.7 mm (2.9 in)	23 of 100 (Routine)
Uttiramerur	India	Record daily precipitation	62.0 mm (2.4 in)	23 of 100 (Routine)
Pasadena	United States	Record low maximum temperature	23.3 C (73.9 F)	23 of 100 (Routine)
University	United States	Record daily precipitation	31.2 mm (1.2 in)	23 of 100 (Routine)
Orovada 3 W	United States	Record high minimum temperature	17.8 C (64.0 F)	23 of 100 (Routine)
Kenton	United States	Record daily precipitation	49.3 mm (1.9 in)	23 of 100 (Routine)
Lexington	United States	Record high minimum temperature	19.4 C (66.9 F)	23 of 100 (Routine)
Avon Downs	Australia	Record daily precipitation	42.9 mm (1.7 in)	22 of 100 (Routine)
North Bay	Canada	Record high maximum temperature	30.0 C (86.0 F)	22 of 100 (Routine)
Gulah(Gula)	India	Record daily precipitation	47.5 mm (1.9 in)	22 of 100 (Routine)
Borsat	India	Record daily precipitation	99.1 mm (3.9 in)	22 of 100 (Routine)
Muzaffarbad	Pakistan	Record daily precipitation	91.4 mm (3.6 in)	22 of 100 (Routine)
Dover	United States	Record high minimum temperature	22.8 C (73.0 F)	22 of 100 (Routine)
Mayfield 2 S	United States	Record daily precipitation	33.0 mm (1.3 in)	22 of 100 (Routine)
Bemidji	United States	Record daily precipitation	37.8 mm (1.5 in)	22 of 100 (Routine)
Macon 2 NE	United States	Record daily precipitation	30.5 mm (1.2 in)	22 of 100 (Routine)
Thomasville	United States	Record daily precipitation	44.7 mm (1.8 in)	21 of 100 (Routine)
Coeur D'Alene	United States	Record low maximum temperature	13.3 C (55.9 F)	21 of 100 (Routine)
Harrisburg	United States	Record daily precipitation	48.5 mm (1.9 in)	21 of 100 (Routine)
Kirksville	United States	Record high maximum temperature	37.8 C (100.0 F)	21 of 100 (Routine)
Academy 2NE	United States	Record daily precipitation	29.2 mm (1.1 in)	21 of 100 (Routine)
Espanola	United States	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Port Said	Egypt	Record daily precipitation	5.0 mm (0.20 in)	20 of 100 (Routine)
Dayton 1 WSW	United States	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Karesuando	Sweden	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Tallinn	Estonia	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Chinook Cove	Canada	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Republic	United States	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Weipa Eastern Ave	Australia	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Conconully	United States	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Derby Post Office	Australia	Record daily precipitation	0.5 mm (0.02 in)	20 of 100 (Routine)
Palmerville	Australia	Record daily precipitation	2.8 mm (0.11 in)	20 of 100 (Routine)
Mason City	United States	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Pilliga Post Office	Australia	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Laurier	United States	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Buckland (Brockley)	Australia	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Bushy Park (Bushy Park Estates	Australia	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Parksville	Canada	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Springdale	Canada	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Beagle Bay	Australia	Record daily precipitation	3.0 mm (0.12 in)	20 of 100 (Routine)
Sandford (Maydena)	Australia	Record daily precipitation	13.0 mm (0.5 in)	20 of 100 (Routine)
Kaithal	India	Record daily precipitation	47.0 mm (1.9 in)	20 of 100 (Routine)
Pomona/Fairplex	United States	Record low maximum temperature	24.4 C (75.9 F)	20 of 100 (Routine)

Counts by Type and Timescale

465 records

Records set or tied on 9 September 1947 by type: Highest daily maximum 94, Lowest daily maximum 33, Highest daily minimum 177, Lowest daily minimum 7, Heaviest daily rainfall 154.

Records on 9 September 1947 by type
Record type	Records
Highest daily maximum	94
Lowest daily maximum	33
Highest daily minimum	177
Lowest daily minimum	7
Heaviest daily rainfall	154
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 September 1947 by timescale: all-time 1, monthly 12, daily 452.

How Much Records Were Beaten By

308 broken records

Margins by which the 308 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 45.2. Ties are not counted.

Top 20 by Significance

9 September 1947

Top 20 records on 9 September 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 September 1947	Nypo, AU	daily rain	31.8 mm (1.3 in)	27.2 mm (1.1 in)	47 years	59 of 100 (Notable)
9 September 1947	Woomargama Estate, AU	daily rain	36.8 mm (1.4 in)	25.9 mm (1.0 in)	41 years	52 of 100 (Notable)
9 September 1947	Milan Exp STN, US	daily rain	50.3 mm (2.0 in)	35.8 mm (1.4 in)	26 years	38 of 100 (Notable)
9 September 1947	Rock House, US	all-time high max	36.7 C (98.1 F)	1.7 C (3.1 F)	22 years	34 of 100 (Routine)
9 September 1947	Mahendraganj, IN	daily rain	99.8 mm (3.9 in)	45.2 mm (1.8 in)	33 years	29 of 100 (Routine)
9 September 1947	Old Halls Creek, AU	daily low max	23.3 C (73.9 F)	3.9 C (7.0 F)	28 years	28 of 100 (Routine)
9 September 1947	Pala, IN	daily rain	83.8 mm (3.3 in)	35.5 mm (1.4 in)	28 years	28 of 100 (Routine)
9 September 1947	Burdwan, IN	daily rain	74.2 mm (2.9 in)	43.7 mm (1.7 in)	4 years	28 of 100 (Routine)
9 September 1947	Goderich, CA	daily high max	31.7 C (89.1 F)	0.6 C (1.1 F)	62 years	27 of 100 (Routine)
9 September 1947	Southampton, CA	daily high max	32.8 C (91.0 F)	1.1 C (2.0 F)	62 years	27 of 100 (Routine)
9 September 1947	Gangapur, IN	daily rain	38.4 mm (1.5 in)	26.7 mm (1.1 in)	36 years	27 of 100 (Routine)
9 September 1947	Haparanda, SE	daily high max	19.0 C (66.2 F)	1.0 C (1.8 F)	60 years	27 of 100 (Routine)
9 September 1947	Ashwood, US	monthly high min	24.4 C (75.9 F)	0.5 C (0.9 F)	37 years	27 of 100 (Routine)
9 September 1947	Dryden, CA	daily rain	30.5 mm (1.2 in)	16.5 mm (0.6 in)	25 years	26 of 100 (Routine)
9 September 1947	Haringhata, IN	monthly rain	105.7 mm (4.2 in)	17.3 mm (0.7 in)	2 years	25 of 100 (Routine)
9 September 1947	Upper Lake 2 N, US	daily low min	2.8 C (37.0 F)	1.6 C (2.9 F)	49 years	24 of 100 (Routine)
9 September 1947	Independence, US	daily high max	36.7 C (98.1 F)	2.8 C (5.0 F)	49 years	24 of 100 (Routine)
9 September 1947	Nigriting, IN	daily rain	74.7 mm (2.9 in)	22.4 mm (0.9 in)	24 years	23 of 100 (Routine)
9 September 1947	Uttiramerur, IN	daily rain	62.0 mm (2.4 in)	18.8 mm (0.7 in)	38 years	23 of 100 (Routine)
9 September 1947	Pasadena, US	daily low max	23.3 C (73.9 F)	1.1 C (2.0 F)	53 years	23 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

1806 to 1947

Records set or tied on this calendar date in each year from 1806 to 1947. 1947 had 465 records.

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

Records on 09-09 in each year
Year	Records
1806	1
1812	1
1813	1
1814	2
1834	1
1836	1
1845	1
1847	1
1848	1
1849	2
1850	1
1854	1
1864	2
1865	3
1866	3
1867	1
1869	1
1871	1
1873	1
1878	1
1879	1
1880	2
1883	3
1884	4
1886	1
1888	4
1889	1
1890	1
1891	1
1892	4
1893	4
1894	3
1895	7
1897	3
1898	5
1899	6
1900	1
1901	4
1902	5
1903	14
1904	9
1905	8
1906	24
1907	9
1908	5
1909	9
1910	17
1911	27
1912	48
1913	12
1914	69
1915	48
1916	16
1917	44
1918	40
1919	74
1920	145
1921	92
1922	115
1923	58
1924	232
1925	248
1926	168
1927	246
1928	108
1929	362
1930	211
1931	558
1932	302
1933	433
1934	256
1935	461
1936	297
1937	242
1938	416
1939	429
1940	294
1941	763
1942	357
1943	596
1944	719
1945	355
1946	366
1947	465
1948	307
1949	1,407
1950	426
1951	338
1952	511
1953	344
1954	283
1955	608
1956	742
1957	390
1958	419
1959	736
1960	492
1961	383
1962	847
1963	400
1964	488
1965	326
1966	366
1967	367
1968	440
1969	603
1970	584
1971	498
1972	464
1973	517
1974	689
1975	555
1976	773
1977	410
1978	702
1979	878
1980	829
1981	1,011
1982	814
1983	958
1984	1,304
1985	1,269
1986	1,026
1987	676
1988	836
1989	983
1990	762
1991	882
1992	620
1993	886
1994	892
1995	937
1996	809
1997	837
1998	1,667
1999	1,013
2000	811
2001	1,647
2002	1,355
2003	786
2004	1,603
2005	1,068
2006	917
2007	948
2008	1,161
2009	792
2010	1,049
2011	1,328
2012	681
2013	974
2014	590
2015	806
2016	1,210
2017	661
2018	876
2019	953
2020	2,579
2021	1,458
2022	1,094
2023	1,222
2024	1,146
2025	520
2026	815

Download the Data

Data for records on 1947-09-09: 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 9 September 1947
Margin	Records
0 to 10	269
10 to 20	27
20 to 30	7
30 to 40	3
40 to 50	2