Weather Records on 1 September 1947

555 weather records were set or tied worldwide on 1 September 1947. Highest significance: Gadarwara, IN.

Key Facts for 1 September 1947

On 1 September 1947, 555 weather records were set or tied at long-record stations worldwide.
338 were record highs and 37 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 47 monthly and 506 daily.
Gadarwara set a daily record precipitation of 163.1 mm (6.4 in) on 1 September 1947.
Across 161 earlier years (1797 to 2026) the same calendar date averaged 440 records.

Record Map

555 stations

555 station records on 1 September 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 September 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gadarwara	India	Record daily precipitation	163.1 mm (6.4 in)	50 of 100 (Notable)
Seoni	India	Record daily precipitation	208.0 mm (8.2 in)	47 of 100 (Notable)
Wallaceburg	Canada	Record daily precipitation	55.1 mm (2.2 in)	46 of 100 (Notable)
Porbandar	India	Record daily precipitation	73.2 mm (2.9 in)	43 of 100 (Notable)
Kaliakheri	India	Record daily precipitation	191.5 mm (7.5 in)	43 of 100 (Notable)
Kinchega	Australia	Record daily precipitation	51.1 mm (2.0 in)	40 of 100 (Notable)
Barmera (Cobdogla)	Australia	Record daily precipitation	27.9 mm (1.1 in)	39 of 100 (Notable)
Ridgetown	Canada	Record daily precipitation	46.7 mm (1.8 in)	39 of 100 (Notable)
Cape Girardeau	United States	Record daily precipitation	58.4 mm (2.3 in)	38 of 100 (Notable)
Sohagpur	India	Record daily precipitation	106.4 mm (4.2 in)	36 of 100 (Notable)
Hoshangabad	India	Record daily precipitation	163.1 mm (6.4 in)	36 of 100 (Notable)
Nordby (Fano)	Denmark	Record high maximum temperature	26.0 C (78.8 F)	35 of 100 (Notable)
Hosanagar	India	Record daily precipitation	90.2 mm (3.6 in)	34 of 100 (Routine)
Ames	United States	Record daily precipitation	27.9 mm (1.1 in)	34 of 100 (Routine)
Orovada 3 W	United States	Record high maximum temperature	46.1 C (115.0 F)	34 of 100 (Routine)
Mohpani	India	Record daily precipitation	139.7 mm (5.5 in)	33 of 100 (Routine)
Raisen	India	Record daily precipitation	186.2 mm (7.3 in)	33 of 100 (Routine)
Ft Reno	United States	Record high minimum temperature	27.8 C (82.0 F)	33 of 100 (Routine)
Sanklespur	India	Record daily precipitation	39.4 mm (1.6 in)	32 of 100 (Routine)
Waramain	India	Record daily precipitation	142.0 mm (5.6 in)	32 of 100 (Routine)
Khurai	India	Record daily precipitation	94.7 mm (3.7 in)	32 of 100 (Routine)
Banda	India	Record daily precipitation	94.5 mm (3.7 in)	32 of 100 (Routine)
Bodalkasa	India	Record daily precipitation	80.8 mm (3.2 in)	32 of 100 (Routine)
Antah	India	Record daily precipitation	105.4 mm (4.1 in)	32 of 100 (Routine)
Aleksandrovsk-Sahalinskij	Russia	Record daily precipitation	32.2 mm (1.3 in)	32 of 100 (Routine)
Natchez	United States	Record high minimum temperature	26.7 C (80.1 F)	32 of 100 (Routine)
Wauseon Wtp	United States	Record daily precipitation	41.1 mm (1.6 in)	32 of 100 (Routine)
Grantsburg	United States	Record daily precipitation	37.6 mm (1.5 in)	32 of 100 (Routine)
Panban	Australia	Record daily precipitation	50.0 mm (2.0 in)	31 of 100 (Routine)
Sagar	India	Record daily precipitation	48.3 mm (1.9 in)	31 of 100 (Routine)
Russellville	United States	Record high maximum temperature	43.3 C (109.9 F)	30 of 100 (Routine)
Boulder	United States	Record high maximum temperature	34.4 C (93.9 F)	30 of 100 (Routine)
Zion Np	United States	Record high maximum temperature	41.1 C (106.0 F)	30 of 100 (Routine)
Hangal	India	Record daily precipitation	30.0 mm (1.2 in)	29 of 100 (Routine)
New Iberia AP - Acadiana Rgnl	United States	Record high maximum temperature	36.7 C (98.1 F)	29 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record low minimum temperature	4.5 C (40.1 F)	28 of 100 (Routine)
Deori	India	Record daily precipitation	76.5 mm (3.0 in)	28 of 100 (Routine)
Orovada 3 W	United States	Record high minimum temperature	20.6 C (69.1 F)	28 of 100 (Routine)
Nacogdoches	United States	Record high maximum temperature	40.6 C (105.1 F)	28 of 100 (Routine)
Salzburg	Austria	Record low minimum temperature	6.4 C (43.5 F)	27 of 100 (Routine)
Dwarka	India	Record daily precipitation	54.1 mm (2.1 in)	27 of 100 (Routine)
Yellapur	India	Record daily precipitation	49.8 mm (2.0 in)	27 of 100 (Routine)
Timovskoe	Russia	Record daily precipitation	43.4 mm (1.7 in)	27 of 100 (Routine)
Henrietta	United States	Record high maximum temperature	43.9 C (111.0 F)	27 of 100 (Routine)
Huntsville	United States	Record high maximum temperature	38.9 C (102.0 F)	27 of 100 (Routine)
Regensburg	Germany	Record low minimum temperature	3.2 C (37.8 F)	26 of 100 (Routine)
Keolari	India	Record daily precipitation	80.8 mm (3.2 in)	26 of 100 (Routine)
Storlien	Sweden	Record high maximum temperature	19.0 C (66.2 F)	26 of 100 (Routine)
Provincetown 3 NW	United States	Record high minimum temperature	22.8 C (73.0 F)	26 of 100 (Routine)
Sfax El-Maou	Tunisia	Record high minimum temperature	26.6 C (79.9 F)	25 of 100 (Routine)
Bee Branch	United States	Record high maximum temperature	42.2 C (108.0 F)	25 of 100 (Routine)
Pomona/Fairplex	United States	Record high maximum temperature	42.2 C (108.0 F)	25 of 100 (Routine)
Amite	United States	Record high maximum temperature	37.8 C (100.0 F)	25 of 100 (Routine)
Weissenburg	Germany	Record low minimum temperature	2.6 C (36.7 F)	24 of 100 (Routine)
Livingston	United States	Record high maximum temperature	37.8 C (100.0 F)	24 of 100 (Routine)
Dardanelle	United States	Record high maximum temperature	41.7 C (107.1 F)	24 of 100 (Routine)
Abbeville	United States	Record high maximum temperature	38.3 C (100.9 F)	24 of 100 (Routine)
Robeline	United States	Record high maximum temperature	40.0 C (104.0 F)	24 of 100 (Routine)
Hobart Muni AP	United States	Record high maximum temperature	42.2 C (108.0 F)	24 of 100 (Routine)
Pitea	Sweden	Record high maximum temperature	21.3 C (70.3 F)	23 of 100 (Routine)

Counts by Type and Timescale

555 records

Records set or tied on 1 September 1947 by type: Highest daily maximum 264, Lowest daily maximum 6, Highest daily minimum 74, Lowest daily minimum 31, Heaviest daily rainfall 180.

Records on 1 September 1947 by type
Record type	Records
Highest daily maximum	264
Lowest daily maximum	6
Highest daily minimum	74
Lowest daily minimum	31
Heaviest daily rainfall	180
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 September 1947 by timescale: all-time 2, monthly 47, daily 506.

How Much Records Were Beaten By

419 broken records

Margins by which the 419 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.0. Ties are not counted.

Top 20 by Significance

1 September 1947

Top 20 records on 1 September 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 September 1947	Gadarwara, IN	daily rain	163.1 mm (6.4 in)	76.0 mm (3.0 in)	44 years	50 of 100 (Notable)
1 September 1947	Seoni, IN	monthly rain	208.0 mm (8.2 in)	49.2 mm (1.9 in)	25 years	47 of 100 (Notable)
1 September 1947	Wallaceburg, CA	daily rain	55.1 mm (2.2 in)	39.4 mm (1.6 in)	32 years	46 of 100 (Notable)
1 September 1947	Porbandar, IN	daily rain	73.2 mm (2.9 in)	64.3 mm (2.5 in)	34 years	43 of 100 (Notable)
1 September 1947	Kaliakheri, IN	monthly rain	191.5 mm (7.5 in)	53.6 mm (2.1 in)	14 years	43 of 100 (Notable)
1 September 1947	Kinchega, AU	monthly rain	51.1 mm (2.0 in)	3.3 mm (0.13 in)	65 years	40 of 100 (Notable)
1 September 1947	Barmera (Cobdogla), AU	daily rain	27.9 mm (1.1 in)	18.8 mm (0.7 in)	17 years	39 of 100 (Notable)
1 September 1947	Ridgetown, CA	daily rain	46.7 mm (1.8 in)	27.6 mm (1.1 in)	16 years	39 of 100 (Notable)
1 September 1947	Cape Girardeau, US	daily rain	58.4 mm (2.3 in)	41.9 mm (1.6 in)	26 years	38 of 100 (Notable)
1 September 1947	Sohagpur, IN	daily rain	106.4 mm (4.2 in)	60.2 mm (2.4 in)	33 years	36 of 100 (Notable)
1 September 1947	Hoshangabad, IN	monthly rain	163.1 mm (6.4 in)	26.4 mm (1.0 in)	36 years	36 of 100 (Notable)
1 September 1947	Nordby (Fano), DK	daily high max	26.0 C (78.8 F)	2.8 C (5.0 F)	60 years	35 of 100 (Notable)
1 September 1947	Hosanagar, IN	daily rain	90.2 mm (3.6 in)	24.2 mm (1.0 in)	44 years	34 of 100 (Routine)
1 September 1947	Ames, US	daily rain	27.9 mm (1.1 in)	18.8 mm (0.7 in)	21 years	34 of 100 (Routine)
1 September 1947	Orovada 3 W, US	all-time high max	46.1 C (115.0 F)	3.9 C (7.0 F)	16 years	34 of 100 (Routine)
1 September 1947	Mohpani, IN	daily rain	139.7 mm (5.5 in)	43.2 mm (1.7 in)	45 years	33 of 100 (Routine)
1 September 1947	Raisen, IN	monthly rain	186.2 mm (7.3 in)	36.3 mm (1.4 in)	14 years	33 of 100 (Routine)
1 September 1947	Ft Reno, US	monthly high min	27.8 C (82.0 F)	1.7 C (3.1 F)	51 years	33 of 100 (Routine)
1 September 1947	Sanklespur, IN	daily rain	39.4 mm (1.6 in)	17.8 mm (0.7 in)	44 years	32 of 100 (Routine)
1 September 1947	Waramain, IN	monthly rain	142.0 mm (5.6 in)	27.7 mm (1.1 in)	21 years	32 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

1797 to 1947

Records set or tied on this calendar date in each year from 1797 to 1947. 1947 had 555 records.

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

Records on 09-01 in each year
Year	Records
1797	1
1806	1
1819	1
1827	1
1831	1
1838	1
1851	1
1853	1
1854	1
1857	1
1858	1
1859	1
1860	2
1861	1
1865	1
1866	1
1867	2
1869	3
1871	1
1873	1
1876	2
1877	2
1878	3
1879	2
1881	5
1883	1
1886	3
1887	3
1888	2
1890	2
1892	2
1894	3
1897	4
1898	10
1899	3
1900	2
1901	14
1902	5
1903	16
1904	9
1905	6
1906	26
1907	14
1908	26
1909	34
1910	22
1911	16
1912	47
1913	32
1914	23
1915	46
1916	16
1917	24
1918	31
1919	19
1920	31
1921	46
1922	67
1923	75
1924	210
1925	127
1926	182
1927	136
1928	166
1929	324
1930	264
1931	233
1932	550
1933	622
1934	654
1935	584
1936	385
1937	502
1938	373
1939	303
1940	333
1941	497
1942	532
1943	578
1944	377
1945	497
1946	642
1947	555
1948	460
1949	1,102
1950	849
1951	668
1952	644
1953	937
1954	407
1955	413
1956	504
1957	320
1958	427
1959	519
1960	408
1961	531
1962	368
1963	416
1964	621
1965	657
1966	596
1967	1,263
1968	604
1969	493
1970	502
1971	464
1972	518
1973	874
1974	895
1975	939
1976	627
1977	500
1978	809
1979	459
1980	671
1981	649
1982	642
1983	1,167
1984	619
1985	901
1986	964
1987	909
1988	651
1989	823
1990	749
1991	687
1992	1,010
1993	1,122
1994	1,291
1995	1,165
1996	823
1997	1,161
1998	1,159
1999	925
2000	1,613
2001	904
2002	778
2003	1,254
2004	827
2005	901
2006	1,157
2007	976
2008	1,204
2009	1,003
2010	1,313
2011	1,071
2012	874
2013	775
2014	515
2015	661
2016	522
2017	686
2018	399
2019	800
2020	689
2021	751
2022	1,016
2023	720
2024	938
2025	359
2026	521

Download the Data

Data for records on 1947-09-01: 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 10	358
10 to 20	31
20 to 30	12
30 to 40	7
40 to 50	5
50 to 60	3
60 to 70	2
70 to 80	1