Weather Records on 1 September 1948

460 weather records were set or tied worldwide on 1 September 1948. Highest significance: Fogo, CA.

Key Facts for 1 September 1948

On 1 September 1948, 460 weather records were set or tied at long-record stations worldwide.
222 were record highs and 118 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 42 monthly and 418 daily.
Fogo set a daily record precipitation of 59.4 mm (2.3 in) on 1 September 1948.
Across 161 earlier years (1797 to 2026) the same calendar date averaged 441 records.

Record Map

460 stations

460 station records on 1 September 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 September 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Fogo	Canada	Record daily precipitation	59.4 mm (2.3 in)	58 of 100 (Notable)
Darlington (Ware Street)	Australia	Record daily precipitation	25.9 mm (1.0 in)	52 of 100 (Notable)
Karera	India	Record daily precipitation	138.4 mm (5.4 in)	52 of 100 (Notable)
Cape Barren Island (Cape Barre	Australia	Record daily precipitation	46.0 mm (1.8 in)	51 of 100 (Notable)
Chepstowe	Australia	Record daily precipitation	42.2 mm (1.7 in)	47 of 100 (Notable)
Woolsthorpe	Australia	Record daily precipitation	32.8 mm (1.3 in)	47 of 100 (Notable)
Trawalla	Australia	Record daily precipitation	33.8 mm (1.3 in)	44 of 100 (Notable)
Shahabad	India	Record daily precipitation	131.3 mm (5.2 in)	44 of 100 (Notable)
Smythesdale	Australia	Record daily precipitation	33.0 mm (1.3 in)	43 of 100 (Notable)
Mortlake	Australia	Record daily precipitation	30.0 mm (1.2 in)	40 of 100 (Notable)
Ellerslie Post Office	Australia	Record daily precipitation	30.5 mm (1.2 in)	39 of 100 (Notable)
Edgefield 3 NNE	United States	Record daily precipitation	56.1 mm (2.2 in)	39 of 100 (Notable)
Clunes	Australia	Record daily precipitation	37.6 mm (1.5 in)	38 of 100 (Notable)
Pichhore	India	Record daily precipitation	78.7 mm (3.1 in)	38 of 100 (Notable)
Fayetteville (Pwc)	United States	Record daily precipitation	69.9 mm (2.8 in)	37 of 100 (Notable)
Linton Post Office	Australia	Record daily precipitation	32.0 mm (1.3 in)	36 of 100 (Notable)
Florence 8 NE	United States	Record daily precipitation	78.7 mm (3.1 in)	34 of 100 (Routine)
Beaufort	Australia	Record daily precipitation	38.1 mm (1.5 in)	33 of 100 (Routine)
Beech Forest	Australia	Record daily precipitation	39.6 mm (1.6 in)	33 of 100 (Routine)
Simcoe	Canada	Record low minimum temperature	2.8 C (37.0 F)	33 of 100 (Routine)
Skipton Post Office	Australia	Record daily precipitation	37.6 mm (1.5 in)	32 of 100 (Routine)
Pomborneit	Australia	Record daily precipitation	32.3 mm (1.3 in)	32 of 100 (Routine)
Rhinelander	United States	Record daily precipitation	59.4 mm (2.3 in)	32 of 100 (Routine)
Buchan	Australia	Record daily precipitation	47.0 mm (1.9 in)	31 of 100 (Routine)
Bathurst	Canada	Record low maximum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
Coloso	Puerto Rico [United States]	Record high minimum temperature	23.3 C (73.9 F)	31 of 100 (Routine)
Soldier Summit	United States	Record high maximum temperature	31.7 C (89.1 F)	31 of 100 (Routine)
Tuba City	United States	Record high maximum temperature	38.3 C (100.9 F)	30 of 100 (Routine)
Wickliffe	Australia	Record daily precipitation	25.1 mm (1.0 in)	29 of 100 (Routine)
Aliganj	India	Record daily precipitation	129.3 mm (5.1 in)	29 of 100 (Routine)
Avon Park 2 W	United States	Record daily precipitation	60.2 mm (2.4 in)	29 of 100 (Routine)
Kingston	Australia	Record daily precipitation	30.5 mm (1.2 in)	28 of 100 (Routine)
Terang	Australia	Record daily precipitation	28.4 mm (1.1 in)	27 of 100 (Routine)
Saint Leo	United States	Record high minimum temperature	24.4 C (75.9 F)	27 of 100 (Routine)
Gunnedah Pool	Australia	Record low maximum temperature	13.3 C (55.9 F)	26 of 100 (Routine)
Quatsino	Canada	Record daily precipitation	29.0 mm (1.1 in)	26 of 100 (Routine)
Bongaon	India	Record daily precipitation	83.3 mm (3.3 in)	26 of 100 (Routine)
Seven Oaks	United States	Record high maximum temperature	33.3 C (91.9 F)	26 of 100 (Routine)
Cedar City Powerhouse	United States	Record high maximum temperature	33.3 C (91.9 F)	26 of 100 (Routine)
Margherita	India	Record daily precipitation	93.2 mm (3.7 in)	25 of 100 (Routine)
Simferopol	Ukraine	Record low minimum temperature	5.5 C (41.9 F)	25 of 100 (Routine)
Chama	United States	Record high maximum temperature	31.1 C (88.0 F)	25 of 100 (Routine)
Lancaster 2 NW	United States	Record low minimum temperature	4.4 C (39.9 F)	25 of 100 (Routine)
Rokewood (Kuruc A Ruc)	Australia	Record daily precipitation	26.2 mm (1.0 in)	24 of 100 (Routine)
Lindsay	Canada	Record low minimum temperature	2.8 C (37.0 F)	24 of 100 (Routine)
Sable Island	Canada	Record daily precipitation	61.0 mm (2.4 in)	24 of 100 (Routine)
Channel	Canada	Record daily precipitation	84.6 mm (3.3 in)	24 of 100 (Routine)
Susanville 2SW	United States	Record low minimum temperature	2.2 C (36.0 F)	24 of 100 (Routine)
Somerset Main Street	United States	Record low minimum temperature	0.6 C (33.1 F)	24 of 100 (Routine)
Rest Lake	United States	Record daily precipitation	54.6 mm (2.1 in)	24 of 100 (Routine)
Penshurst (Post Office)	Australia	Record daily precipitation	25.7 mm (1.0 in)	23 of 100 (Routine)
Orillia	Canada	Record low minimum temperature	3.3 C (37.9 F)	23 of 100 (Routine)
Natural Brg	United States	Record high maximum temperature	35.6 C (96.1 F)	23 of 100 (Routine)
Durango	United States	Record high maximum temperature	32.8 C (91.0 F)	23 of 100 (Routine)
Cambridge St Hospital	United States	Record low minimum temperature	3.9 C (39.0 F)	23 of 100 (Routine)
Farmington	United States	Record high maximum temperature	37.2 C (99.0 F)	23 of 100 (Routine)
Loa	United States	Record high maximum temperature	32.2 C (90.0 F)	23 of 100 (Routine)
Evanston 1 E	United States	Record high maximum temperature	31.1 C (88.0 F)	23 of 100 (Routine)
North Bay	Canada	Record low minimum temperature	3.3 C (37.9 F)	22 of 100 (Routine)
Globe Rs	United States	Record high maximum temperature	40.0 C (104.0 F)	22 of 100 (Routine)

Counts by Type and Timescale

460 records

Records set or tied on 1 September 1948 by type: Highest daily maximum 178, Lowest daily maximum 27, Highest daily minimum 44, Lowest daily minimum 91, Heaviest daily rainfall 120.

Records on 1 September 1948 by type
Record type	Records
Highest daily maximum	178
Lowest daily maximum	27
Highest daily minimum	44
Lowest daily minimum	91
Heaviest daily rainfall	120
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 September 1948 by timescale: all-time 0, monthly 42, daily 418.

How Much Records Were Beaten By

328 broken records

Margins by which the 328 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 90.1. Ties are not counted.

Top 20 by Significance

1 September 1948

Top 20 records on 1 September 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 September 1948	Fogo, CA	daily rain	59.4 mm (2.3 in)	42.1 mm (1.7 in)	37 years	58 of 100 (Notable)
1 September 1948	Darlington (Ware Street), AU	daily rain	25.9 mm (1.0 in)	19.3 mm (0.8 in)	26 years	52 of 100 (Notable)
1 September 1948	Karera, IN	daily rain	138.4 mm (5.4 in)	90.1 mm (3.5 in)	42 years	52 of 100 (Notable)
1 September 1948	Cape Barren Island (Cape Barre, AU	daily rain	46.0 mm (1.8 in)	35.6 mm (1.4 in)	26 years	51 of 100 (Notable)
1 September 1948	Chepstowe, AU	daily rain	42.2 mm (1.7 in)	30.0 mm (1.2 in)	6 years	47 of 100 (Notable)
1 September 1948	Woolsthorpe, AU	daily rain	32.8 mm (1.3 in)	20.6 mm (0.8 in)	6 years	47 of 100 (Notable)
1 September 1948	Trawalla, AU	daily rain	33.8 mm (1.3 in)	20.8 mm (0.8 in)	6 years	44 of 100 (Notable)
1 September 1948	Shahabad, IN	daily rain	131.3 mm (5.2 in)	81.8 mm (3.2 in)	1 year	44 of 100 (Notable)
1 September 1948	Smythesdale, AU	daily rain	33.0 mm (1.3 in)	19.5 mm (0.8 in)	6 years	43 of 100 (Notable)
1 September 1948	Mortlake, AU	daily rain	30.0 mm (1.2 in)	9.4 mm (0.37 in)	50 years	40 of 100 (Notable)
1 September 1948	Ellerslie Post Office, AU	daily rain	30.5 mm (1.2 in)	19.3 mm (0.8 in)	15 years	39 of 100 (Notable)
1 September 1948	Edgefield 3 NNE, US	daily rain	56.1 mm (2.2 in)	49.7 mm (2.0 in)	31 years	39 of 100 (Notable)
1 September 1948	Clunes, AU	daily rain	37.6 mm (1.5 in)	15.8 mm (0.6 in)	15 years	38 of 100 (Notable)
1 September 1948	Pichhore, IN	daily rain	78.7 mm (3.1 in)	57.4 mm (2.3 in)	47 years	38 of 100 (Notable)
1 September 1948	Fayetteville (Pwc), US	daily rain	69.9 mm (2.8 in)	40.4 mm (1.6 in)	38 years	37 of 100 (Notable)
1 September 1948	Linton Post Office, AU	daily rain	32.0 mm (1.3 in)	18.0 mm (0.7 in)	6 years	36 of 100 (Notable)
1 September 1948	Florence 8 NE, US	daily rain	78.7 mm (3.1 in)	70.6 mm (2.8 in)	20 years	34 of 100 (Routine)
1 September 1948	Beaufort, AU	daily rain	38.1 mm (1.5 in)	7.9 mm (0.31 in)	50 years	33 of 100 (Routine)
1 September 1948	Beech Forest, AU	daily rain	39.6 mm (1.6 in)	12.7 mm (0.5 in)	50 years	33 of 100 (Routine)
1 September 1948	Simcoe, CA	daily low min	2.8 C (37.0 F)	1.1 C (2.0 F)	78 years	33 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 1948

Records set or tied on this calendar date in each year from 1797 to 1948. 1948 had 460 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 1948-09-01: 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 20	305
20 to 40	15
40 to 60	4
60 to 80	2
80 to 100	2