Weather Records on 1 September 2018

399 weather records were set or tied worldwide on 1 September 2018. Highest significance: Budapest, HU.

Key Facts for 1 September 2018

On 1 September 2018, 399 weather records were set or tied at long-record stations worldwide.
193 were record highs and 76 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 38 monthly and 359 daily.
Budapest set a daily record precipitation of 48.4 mm (1.9 in) on 1 September 2018.
Across 161 earlier years (1797 to 2026) the same calendar date averaged 441 records.

Record Map

399 stations

399 station records on 1 September 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 September 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Budapest	Hungary	Record daily precipitation	48.4 mm (1.9 in)	77 of 100 (Major)
Cuba City	United States	Record daily precipitation	86.9 mm (3.4 in)	75 of 100 (Major)
Osceola	United States	Record daily precipitation	98.3 mm (3.9 in)	67 of 100 (Major)
Belle Plaine	United States	Record daily precipitation	82.8 mm (3.3 in)	64 of 100 (Major)
Warrensburg 4NW	United States	Record daily precipitation	177.8 mm (7.0 in)	62 of 100 (Major)
Calero Camp	Puerto Rico [United States]	Record daily precipitation	81.3 mm (3.2 in)	59 of 100 (Notable)
Brooklyn	United States	Record daily precipitation	170.2 mm (6.7 in)	59 of 100 (Notable)
Haliut	China	Record daily precipitation	62.0 mm (2.4 in)	58 of 100 (Notable)
Charleston - Yeager AP	United States	Record daily precipitation	77.5 mm (3.1 in)	58 of 100 (Notable)
Adler	Russia	Record daily precipitation	78.0 mm (3.1 in)	56 of 100 (Notable)
Westerville	United States	Record daily precipitation	63.8 mm (2.5 in)	56 of 100 (Notable)
Landisville 2 NW	United States	Record daily precipitation	178.6 mm (7.0 in)	56 of 100 (Notable)
Odesa	Ukraine	Record high maximum temperature	35.4 C (95.7 F)	54 of 100 (Notable)
Hamada	Japan	Record daily precipitation	169.9 mm (6.7 in)	53 of 100 (Notable)
Kon-Kolodez	Russia	Record high maximum temperature	34.0 C (93.2 F)	51 of 100 (Notable)
Hohhot	China	Record daily precipitation	103.1 mm (4.1 in)	50 of 100 (Notable)
Lamoni	United States	Record daily precipitation	79.2 mm (3.1 in)	50 of 100 (Notable)
Segen-Kyuel	Russia	Record daily precipitation	42.2 mm (1.7 in)	49 of 100 (Notable)
Gull Lake Biological STN	United States	Record daily precipitation	69.9 mm (2.8 in)	49 of 100 (Notable)
Hachita 1W	United States	Record high minimum temperature	22.8 C (73.0 F)	49 of 100 (Notable)
Szombathely	Hungary	Record daily precipitation	38.0 mm (1.5 in)	48 of 100 (Notable)
Kanazawa	Japan	Record daily precipitation	126.5 mm (5.0 in)	48 of 100 (Notable)
Beaconsfield 3N	United States	Record daily precipitation	118.1 mm (4.6 in)	48 of 100 (Notable)
Toledo 3N	United States	Record daily precipitation	78.0 mm (3.1 in)	48 of 100 (Notable)
Clinton #1	United States	Record daily precipitation	89.4 mm (3.5 in)	47 of 100 (Notable)
Sunnyside - Lund 31S	United States	Record low minimum temperature	-3.9 C (25.0 F)	47 of 100 (Notable)
Pearce - Sunsites	United States	Record daily precipitation	25.9 mm (1.0 in)	45 of 100 (Notable)
Kursk	Russia	Record high maximum temperature	32.0 C (89.6 F)	44 of 100 (Notable)
Blue Marsh Lake	United States	Record daily precipitation	64.3 mm (2.5 in)	44 of 100 (Notable)
Dumas	United States	Record high minimum temperature	23.9 C (75.0 F)	43 of 100 (Notable)
Smithfield	United States	Record high minimum temperature	23.9 C (75.0 F)	41 of 100 (Notable)
Mandurama Post Office	Australia	Record daily precipitation	27.6 mm (1.1 in)	39 of 100 (Notable)
Bay City Wtr Wks	United States	Record low minimum temperature	16.1 C (61.0 F)	39 of 100 (Notable)
Imnaviat Creek	United States	Record daily precipitation	27.9 mm (1.1 in)	39 of 100 (Notable)
Nara	Japan	Record daily precipitation	62.5 mm (2.5 in)	38 of 100 (Notable)
Toyama	Japan	Record daily precipitation	181.6 mm (7.1 in)	36 of 100 (Notable)
Santa Fe Co Muni AP	United States	Record low maximum temperature	21.1 C (70.0 F)	36 of 100 (Notable)
Sredny Vasjugan	Russia	Record low maximum temperature	7.9 C (46.2 F)	35 of 100 (Notable)
Pudino	Russia	Record low maximum temperature	7.7 C (45.9 F)	35 of 100 (Notable)
Five Points 5 SSW	United States	Record low minimum temperature	5.6 C (42.1 F)	35 of 100 (Notable)
Greenfield	United States	Record daily precipitation	44.5 mm (1.8 in)	34 of 100 (Routine)
Hastings Dam 2	United States	Record high minimum temperature	21.1 C (70.0 F)	34 of 100 (Routine)
Belvidere Wwtp	United States	Record daily precipitation	49.5 mm (1.9 in)	33 of 100 (Routine)
Mt Ayr	United States	Record daily precipitation	101.6 mm (4.0 in)	33 of 100 (Routine)
Copper Harbor Ft Wilkins	United States	Record daily precipitation	40.1 mm (1.6 in)	33 of 100 (Routine)
Genoa Dam 8	United States	Record high minimum temperature	23.9 C (75.0 F)	33 of 100 (Routine)
Xilin Hot	China	Record daily precipitation	32.5 mm (1.3 in)	32 of 100 (Routine)
Buhta Ambarcik	Russia	Record high minimum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Askaniia Nova	Ukraine	Record high maximum temperature	34.3 C (93.7 F)	32 of 100 (Routine)
Artesia 6S	United States	Record high minimum temperature	20.6 C (69.1 F)	32 of 100 (Routine)
Rapid City Rgnl AP	United States	Record daily precipitation	27.7 mm (1.1 in)	32 of 100 (Routine)
Rockford Gtr Rockford AP	United States	Record daily precipitation	43.7 mm (1.7 in)	32 of 100 (Routine)
Dubuque Rgnl AP	United States	Record daily precipitation	54.6 mm (2.1 in)	32 of 100 (Routine)
Jurh	China	Record daily precipitation	45.5 mm (1.8 in)	30 of 100 (Routine)
Pine Grove Furnace	United States	Record daily precipitation	66.0 mm (2.6 in)	30 of 100 (Routine)
Ostrov Vrangelja	Russia	Record high maximum temperature	12.7 C (54.9 F)	29 of 100 (Routine)
Chita	Russia	Record high minimum temperature	15.4 C (59.7 F)	29 of 100 (Routine)
Rostov-Na-Donu	Russia	Record high minimum temperature	20.9 C (69.6 F)	29 of 100 (Routine)
Turaif	Saudi Arabia	Record high maximum temperature	43.0 C (109.4 F)	29 of 100 (Routine)
Rize	Turkey	Record high minimum temperature	22.9 C (73.2 F)	29 of 100 (Routine)

Counts by Type and Timescale

399 records

Records set or tied on 1 September 2018 by type: Highest daily maximum 82, Lowest daily maximum 43, Highest daily minimum 111, Lowest daily minimum 33, Heaviest daily rainfall 129, Heaviest daily snowfall 1.

Records on 1 September 2018 by type
Record type	Records
Highest daily maximum	82
Lowest daily maximum	43
Highest daily minimum	111
Lowest daily minimum	33
Heaviest daily rainfall	129
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 1 September 2018 by timescale: all-time 2, monthly 38, daily 359.

How Much Records Were Beaten By

326 broken records

Margins by which the 326 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 82.9. Ties are not counted.

Top 20 by Significance

1 September 2018

Top 20 records on 1 September 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 September 2018	Budapest, HU	daily rain	48.4 mm (1.9 in)	28.7 mm (1.1 in)	97 years	77 of 100 (Major)
1 September 2018	Cuba City, US	daily rain	86.9 mm (3.4 in)	54.9 mm (2.2 in)	88 years	75 of 100 (Major)
1 September 2018	Osceola, US	daily rain	98.3 mm (3.9 in)	60.2 mm (2.4 in)	83 years	67 of 100 (Major)
1 September 2018	Belle Plaine, US	daily rain	82.8 mm (3.3 in)	43.7 mm (1.7 in)	87 years	64 of 100 (Major)
1 September 2018	Warrensburg 4NW, US	all-time rain	177.8 mm (7.0 in)	12.2 mm (0.5 in)	89 years	62 of 100 (Major)
1 September 2018	Calero Camp, PR	daily rain	81.3 mm (3.2 in)	49.3 mm (1.9 in)	60 years	59 of 100 (Notable)
1 September 2018	Brooklyn, US	all-time rain	170.2 mm (6.7 in)	47.8 mm (1.9 in)	11 years	59 of 100 (Notable)
1 September 2018	Haliut, CN	monthly rain	62.0 mm (2.4 in)	17.8 mm (0.7 in)	48 years	58 of 100 (Notable)
1 September 2018	Charleston - Yeager AP, US	daily rain	77.5 mm (3.1 in)	35.8 mm (1.4 in)	68 years	58 of 100 (Notable)
1 September 2018	Adler, RU	daily rain	78.0 mm (3.1 in)	66.1 mm (2.6 in)	41 years	56 of 100 (Notable)
1 September 2018	Westerville, US	daily rain	63.8 mm (2.5 in)	38.4 mm (1.5 in)	61 years	56 of 100 (Notable)
1 September 2018	Landisville 2 NW, US	monthly rain	178.6 mm (7.0 in)	60.7 mm (2.4 in)	18 years	56 of 100 (Notable)
1 September 2018	Odesa, UA	monthly high max	35.4 C (95.7 F)	3.0 C (5.4 F)	88 years	54 of 100 (Notable)
1 September 2018	Hamada, JP	daily rain	169.9 mm (6.7 in)	82.9 mm (3.3 in)	28 years	53 of 100 (Notable)
1 September 2018	Kon-Kolodez, RU	monthly high max	34.0 C (93.2 F)	0.6 C (1.1 F)	120 years	51 of 100 (Notable)
1 September 2018	Hohhot, CN	monthly rain	103.1 mm (4.1 in)	28.4 mm (1.1 in)	4 years	50 of 100 (Notable)
1 September 2018	Lamoni, US	daily rain	79.2 mm (3.1 in)	46.2 mm (1.8 in)	40 years	50 of 100 (Notable)
1 September 2018	Segen-Kyuel, RU	daily rain	42.2 mm (1.7 in)	15.7 mm (0.6 in)	59 years	49 of 100 (Notable)
1 September 2018	Gull Lake Biological STN, US	daily rain	69.9 mm (2.8 in)	41.2 mm (1.6 in)	28 years	49 of 100 (Notable)
1 September 2018	Hachita 1W, US	monthly high min	22.8 C (73.0 F)	0.6 C (1.1 F)	96 years	49 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

1797 to 2018

Records set or tied on this calendar date in each year from 1797 to 2018. 2018 had 399 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 2018-09-01: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	295
20 to 40	16
40 to 60	9
60 to 80	4
80 to 100	2