Weather Records on 18 September 2024

687 weather records were set or tied worldwide on 18 September 2024. Highest significance: Lewistown AP, US.

Key Facts for 18 September 2024

On 18 September 2024, 687 weather records were set or tied at long-record stations worldwide.
461 were record highs and 80 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 31 monthly and 650 daily.
Lewistown AP set an all-time record daily precipitation of 110.5 mm (4.4 in) on 18 September 2024.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 420 records.

Record Map

687 stations

687 station records on 18 September 2024 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 2024: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lewistown AP	United States	Record daily precipitation	110.5 mm (4.4 in)	73 of 100 (Major)
Highwood 7 NE	United States	Record daily precipitation	94.0 mm (3.7 in)	69 of 100 (Major)
Crystal Lake	United States	Record daily precipitation	182.9 mm (7.2 in)	67 of 100 (Major)
Chinook	United States	Record daily precipitation	66.0 mm (2.6 in)	61 of 100 (Major)
S Fork Shields	United States	Record daily precipitation	73.7 mm (2.9 in)	61 of 100 (Major)
Makaweli 965	United States	Record low maximum temperature	26.7 C (80.1 F)	60 of 100 (Major)
Shonkin 7 S	United States	Record daily precipitation	138.9 mm (5.5 in)	57 of 100 (Notable)
Reidsville 2 NW	United States	Record daily precipitation	168.7 mm (6.6 in)	57 of 100 (Notable)
Evening Star	United States	Record daily precipitation	66.0 mm (2.6 in)	56 of 100 (Notable)
Havre AP ASOS	United States	Record daily precipitation	38.6 mm (1.5 in)	56 of 100 (Notable)
Millegan 14 SE	United States	Record daily precipitation	60.5 mm (2.4 in)	54 of 100 (Notable)
Turner 11N	United States	Record daily precipitation	58.9 mm (2.3 in)	54 of 100 (Notable)
Ryegate	United States	Record daily precipitation	53.3 mm (2.1 in)	53 of 100 (Notable)
Danbury	United States	Record daily precipitation	177.3 mm (7.0 in)	53 of 100 (Notable)
Aliwal North	South Africa	Record daily precipitation	31.0 mm (1.2 in)	51 of 100 (Notable)
Sisian	Armenia	Record daily precipitation	99.1 mm (3.9 in)	50 of 100 (Notable)
Lewistown 11 SSE	United States	Record daily precipitation	76.2 mm (3.0 in)	50 of 100 (Notable)
Thief River Falls	United States	Record high minimum temperature	20.0 C (68.0 F)	49 of 100 (Notable)
Bozeman Montana State UNIV	United States	Record daily precipitation	37.6 mm (1.5 in)	48 of 100 (Notable)
Mt Airy 2 W	United States	Record daily precipitation	71.9 mm (2.8 in)	47 of 100 (Notable)
Moran 5WNW	United States	Record daily precipitation	25.7 mm (1.0 in)	47 of 100 (Notable)
Aleksandrovsk-Sahalinskij	Russia	Record daily precipitation	38.1 mm (1.5 in)	44 of 100 (Notable)
Stanley	United States	Record high minimum temperature	5.6 C (42.1 F)	44 of 100 (Notable)
Warrick 2 NW	United States	Record daily precipitation	58.9 mm (2.3 in)	44 of 100 (Notable)
Mc Henry 3W	United States	Record high minimum temperature	17.8 C (64.0 F)	44 of 100 (Notable)
Porcupine	United States	Record daily precipitation	58.4 mm (2.3 in)	44 of 100 (Notable)
Park Rapids Muni AP	United States	Record high minimum temperature	19.4 C (66.9 F)	44 of 100 (Notable)
Bredette	United States	Record daily precipitation	53.6 mm (2.1 in)	43 of 100 (Notable)
Reese Rvr - Ione 13NE	United States	Record daily precipitation	35.3 mm (1.4 in)	43 of 100 (Notable)
Abbott 1 SE	United States	Record daily precipitation	43.2 mm (1.7 in)	43 of 100 (Notable)
Manteo AP	United States	Record daily precipitation	117.3 mm (4.6 in)	43 of 100 (Notable)
Elk City 1NE	United States	Record high minimum temperature	10.0 C (50.0 F)	42 of 100 (Notable)
Craig	United States	Record high minimum temperature	14.4 C (57.9 F)	42 of 100 (Notable)
Tizer Basin	United States	Record daily precipitation	27.9 mm (1.1 in)	42 of 100 (Notable)
Huron Rgnl AP	United States	Record high minimum temperature	20.6 C (69.1 F)	42 of 100 (Notable)
Hardin	United States	Record daily precipitation	33.0 mm (1.3 in)	40 of 100 (Notable)
Livingston 12 S	United States	Record daily precipitation	40.6 mm (1.6 in)	40 of 100 (Notable)
Raton Fltr Plt	United States	Record daily precipitation	26.4 mm (1.0 in)	40 of 100 (Notable)
Deadman Creek	United States	Record daily precipitation	48.3 mm (1.9 in)	40 of 100 (Notable)
Shower Falls	United States	Record daily precipitation	58.4 mm (2.3 in)	40 of 100 (Notable)
Fargo Hector Intl AP	United States	Record high minimum temperature	22.2 C (72.0 F)	40 of 100 (Notable)
Gyzylarbat	Turkmenistan	Record low minimum temperature	8.2 C (46.8 F)	39 of 100 (Notable)
Joplin	United States	Record daily precipitation	27.7 mm (1.1 in)	39 of 100 (Notable)
Moccasin Exp STN	United States	Record daily precipitation	34.5 mm (1.4 in)	39 of 100 (Notable)
Lewis Lake Divide	United States	Record daily precipitation	53.3 mm (2.1 in)	39 of 100 (Notable)
Wejh	Saudi Arabia	Record low minimum temperature	17.5 C (63.5 F)	38 of 100 (Notable)
Bozeman 6 W Exp Farm	United States	Record daily precipitation	30.5 mm (1.2 in)	38 of 100 (Notable)
Harlowton	United States	Record daily precipitation	50.8 mm (2.0 in)	38 of 100 (Notable)
Lamar Rs	United States	Record daily precipitation	37.8 mm (1.5 in)	38 of 100 (Notable)
Urbenville Old Post Office	Australia	Record daily precipitation	45.8 mm (1.8 in)	37 of 100 (Notable)
Kotlas	Russia	Record high maximum temperature	24.4 C (75.9 F)	37 of 100 (Notable)
Hoburg	Sweden	Record high maximum temperature	20.7 C (69.3 F)	37 of 100 (Notable)
Mc Leod 3 E	United States	Record high minimum temperature	21.7 C (71.1 F)	37 of 100 (Notable)
Grassy Lake	United States	Record daily precipitation	45.7 mm (1.8 in)	37 of 100 (Notable)
Dodge City	United States	Record daily precipitation	52.1 mm (2.1 in)	37 of 100 (Notable)
Aberdeen	United States	Record high minimum temperature	21.1 C (70.0 F)	37 of 100 (Notable)
Tot-Ma	Russia	Record high maximum temperature	24.3 C (75.7 F)	36 of 100 (Notable)
Bynum 4 SSE	United States	Record daily precipitation	35.8 mm (1.4 in)	36 of 100 (Notable)
Grass Range	United States	Record daily precipitation	60.2 mm (2.4 in)	36 of 100 (Notable)
Tiber Dam	United States	Record daily precipitation	41.4 mm (1.6 in)	36 of 100 (Notable)

Counts by Type and Timescale

687 records

Records set or tied on 18 September 2024 by type: Highest daily maximum 186, Lowest daily maximum 42, Highest daily minimum 275, Lowest daily minimum 38, Heaviest daily rainfall 146.

Records on 18 September 2024 by type
Record type	Records
Highest daily maximum	186
Lowest daily maximum	42
Highest daily minimum	275
Lowest daily minimum	38
Heaviest daily rainfall	146
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 September 2024 by timescale: all-time 6, monthly 31, daily 650.

How Much Records Were Beaten By

562 broken records

Margins by which the 562 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 83.0. Ties are not counted.

Top 20 by Significance

18 September 2024

Top 20 records on 18 September 2024 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 2024	Lewistown AP, US	all-time rain	110.5 mm (4.4 in)	25.7 mm (1.0 in)	10 years	73 of 100 (Major)
18 September 2024	Highwood 7 NE, US	monthly rain	94.0 mm (3.7 in)	39.1 mm (1.5 in)	41 years	69 of 100 (Major)
18 September 2024	Crystal Lake, US	all-time rain	182.9 mm (7.2 in)	53.4 mm (2.1 in)	11 years	67 of 100 (Major)
18 September 2024	Chinook, US	daily rain	66.0 mm (2.6 in)	41.9 mm (1.6 in)	39 years	61 of 100 (Major)
18 September 2024	S Fork Shields, US	monthly rain	73.7 mm (2.9 in)	28.0 mm (1.1 in)	39 years	61 of 100 (Major)
18 September 2024	Makaweli 965, US	daily low max	26.7 C (80.1 F)	2.2 C (4.0 F)	115 years	60 of 100 (Major)
18 September 2024	Shonkin 7 S, US	daily rain	138.9 mm (5.5 in)	83.0 mm (3.3 in)	36 years	57 of 100 (Notable)
18 September 2024	Reidsville 2 NW, US	all-time rain	168.7 mm (6.6 in)	35.1 mm (1.4 in)	44 years	57 of 100 (Notable)
18 September 2024	Evening Star, US	monthly rain	66.0 mm (2.6 in)	33.0 mm (1.3 in)	6 years	56 of 100 (Notable)
18 September 2024	Havre AP ASOS, US	daily rain	38.6 mm (1.5 in)	22.6 mm (0.9 in)	35 years	56 of 100 (Notable)
18 September 2024	Millegan 14 SE, US	monthly rain	60.5 mm (2.4 in)	28.7 mm (1.1 in)	1 year	54 of 100 (Notable)
18 September 2024	Turner 11N, US	daily rain	58.9 mm (2.3 in)	43.7 mm (1.7 in)	35 years	54 of 100 (Notable)
18 September 2024	Ryegate, US	daily rain	53.3 mm (2.1 in)	50.3 mm (2.0 in)	10 years	53 of 100 (Notable)
18 September 2024	Danbury, US	monthly rain	177.3 mm (7.0 in)	45.2 mm (1.8 in)	44 years	53 of 100 (Notable)
18 September 2024	Aliwal North, ZA	daily rain	31.0 mm (1.2 in)	19.5 mm (0.8 in)	68 years	51 of 100 (Notable)
18 September 2024	Sisian, AM	daily rain	99.1 mm (3.9 in)	79.0 mm (3.1 in)	8 years	50 of 100 (Notable)
18 September 2024	Lewistown 11 SSE, US	daily rain	76.2 mm (3.0 in)	60.7 mm (2.4 in)	11 years	50 of 100 (Notable)
18 September 2024	Thief River Falls, US	daily high min	20.0 C (68.0 F)	5.0 C (9.0 F)	105 years	49 of 100 (Notable)
18 September 2024	Bozeman Montana State UNIV, US	daily rain	37.6 mm (1.5 in)	16.3 mm (0.6 in)	46 years	48 of 100 (Notable)
18 September 2024	Mt Airy 2 W, US	daily rain	71.9 mm (2.8 in)	21.1 mm (0.8 in)	80 years	47 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

1803 to 2024

Records set or tied on this calendar date in each year from 1803 to 2024. 2024 had 687 records.

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

Records on 09-18 in each year
Year	Records
1803	1
1811	1
1814	1
1819	1
1829	1
1832	1
1834	1
1835	1
1837	2
1847	2
1848	1
1849	1
1851	4
1859	1
1861	1
1865	1
1869	1
1871	1
1875	1
1876	2
1877	1
1879	1
1880	1
1881	1
1882	1
1885	1
1886	4
1889	6
1890	1
1891	1
1893	4
1894	2
1895	2
1896	4
1897	3
1898	5
1899	3
1900	2
1901	10
1902	8
1903	58
1904	6
1905	22
1906	16
1907	4
1908	11
1909	17
1910	5
1911	8
1912	43
1913	44
1914	56
1915	41
1916	58
1917	99
1918	57
1919	48
1920	56
1921	213
1922	45
1923	114
1924	62
1925	269
1926	205
1927	189
1928	114
1929	309
1930	124
1931	429
1932	226
1933	370
1934	188
1935	281
1936	155
1937	422
1938	373
1939	190
1940	402
1941	318
1942	1,001
1943	624
1944	503
1945	732
1946	576
1947	927
1948	427
1949	356
1950	370
1951	320
1952	340
1953	245
1954	446
1955	672
1956	587
1957	429
1958	491
1959	829
1960	351
1961	478
1962	360
1963	453
1964	282
1965	1,172
1966	498
1967	357
1968	763
1969	424
1970	377
1971	1,245
1972	691
1973	593
1974	559
1975	976
1976	615
1977	619
1978	1,162
1979	709
1980	652
1981	1,671
1982	603
1983	936
1984	951
1985	636
1986	730
1987	1,244
1988	997
1989	778
1990	904
1991	1,377
1992	821
1993	747
1994	852
1995	935
1996	1,237
1997	935
1998	1,038
1999	583
2000	1,146
2001	993
2002	828
2003	815
2004	1,027
2005	781
2006	1,309
2007	670
2008	697
2009	692
2010	1,040
2011	1,050
2012	922
2013	666
2014	682
2015	934
2016	893
2017	518
2018	1,200
2019	768
2020	682
2021	582
2022	613
2023	639
2024	687
2025	471
2026	864

Download the Data

Data for records on 2024-09-18: 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	541
20 to 40	11
40 to 60	6
60 to 80	3
80 to 100	1