Weather Records on 11 September 2023

1,034 weather records were set or tied worldwide on 11 September 2023. Highest significance: Hrazdan, AM.

Key Facts for 11 September 2023

On 11 September 2023, 1,034 weather records were set or tied at long-record stations worldwide.
897 were record highs and 29 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 34 monthly and 998 daily.
Hrazdan set a monthly record daily precipitation of 99.1 mm (3.9 in) on 11 September 2023.
Across 164 earlier years (1809 to 2026) the same calendar date averaged 420 records.

Record Map

1,034 stations

1,034 station records on 11 September 2023 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 September 2023: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hrazdan	Armenia	Record daily precipitation	99.1 mm (3.9 in)	79 of 100 (Major)
Guba	Azerbaijan	Record daily precipitation	99.3 mm (3.9 in)	69 of 100 (Major)
Ketchikan AP	United States	Record daily precipitation	126.0 mm (5.0 in)	63 of 100 (Major)
Bad Rothenfelde	Germany	Record daily precipitation	33.0 mm (1.3 in)	60 of 100 (Major)
Gage AP	United States	Record daily precipitation	55.9 mm (2.2 in)	53 of 100 (Notable)
Benghazi Benina	Libya	Record daily precipitation	30.0 mm (1.2 in)	52 of 100 (Notable)
Walsenburg 1 NW	United States	Record daily precipitation	29.7 mm (1.2 in)	51 of 100 (Notable)
Jornada Exp Range	United States	Record high minimum temperature	25.0 C (77.0 F)	51 of 100 (Notable)
Pueblo Rsvr	United States	Record daily precipitation	26.7 mm (1.1 in)	49 of 100 (Notable)
Sellersville	United States	Record daily precipitation	95.8 mm (3.8 in)	49 of 100 (Notable)
Florissant Fossil Beds	United States	Record daily precipitation	27.7 mm (1.1 in)	48 of 100 (Notable)
Pueblo Mem AP	United States	Record daily precipitation	25.9 mm (1.0 in)	48 of 100 (Notable)
Antofagasta	Chile	Record high maximum temperature	23.9 C (75.0 F)	47 of 100 (Notable)
Bahraich	India	Record daily precipitation	99.1 mm (3.9 in)	47 of 100 (Notable)
Sheffield	United Kingdom	Record daily precipitation	28.6 mm (1.1 in)	47 of 100 (Notable)
Melle	Germany	Record daily precipitation	36.2 mm (1.4 in)	46 of 100 (Notable)
Mukteshwar Kumaon	India	Record daily precipitation	77.0 mm (3.0 in)	46 of 100 (Notable)
Altastenberg	Germany	Record high minimum temperature	18.0 C (64.4 F)	45 of 100 (Notable)
Borken In Westfalen	Germany	Record daily precipitation	30.9 mm (1.2 in)	45 of 100 (Notable)
Paradise	United States	Record high maximum temperature	33.3 C (91.9 F)	45 of 100 (Notable)
Danevang 1 W	United States	Record high maximum temperature	38.9 C (102.0 F)	45 of 100 (Notable)
Uccle	Belgium	Record high minimum temperature	19.0 C (66.2 F)	43 of 100 (Notable)
Scott City	United States	Record daily precipitation	64.5 mm (2.5 in)	43 of 100 (Notable)
Cuero	United States	Record high maximum temperature	40.0 C (104.0 F)	43 of 100 (Notable)
Bremen-Seefahrtschule	Germany	Record high maximum temperature	31.2 C (88.2 F)	42 of 100 (Notable)
Fichtelberg	Germany	Record high maximum temperature	24.2 C (75.6 F)	42 of 100 (Notable)
Timiryazevskij	Russia	Record high minimum temperature	20.1 C (68.2 F)	42 of 100 (Notable)
Saentis	Switzerland	Record high minimum temperature	10.5 C (50.9 F)	42 of 100 (Notable)
Clinton #1	United States	Record daily precipitation	35.1 mm (1.4 in)	42 of 100 (Notable)
Waverly	United States	Record high minimum temperature	17.8 C (64.0 F)	42 of 100 (Notable)
Rio Grande City	United States	Record high maximum temperature	41.7 C (107.1 F)	42 of 100 (Notable)
Somerset	United States	Record daily precipitation	71.1 mm (2.8 in)	42 of 100 (Notable)
Kaiserslautern	Germany	Record high maximum temperature	31.7 C (89.1 F)	41 of 100 (Notable)
Brocken	Germany	Record high minimum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Linkoeping-Malmslaett	Sweden	Record high maximum temperature	24.4 C (75.9 F)	41 of 100 (Notable)
Vanersborg	Sweden	Record high minimum temperature	16.5 C (61.7 F)	41 of 100 (Notable)
Trinidad	United States	Record low maximum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
Elephant Butte Dam	United States	Record high maximum temperature	36.7 C (98.1 F)	41 of 100 (Notable)
Elephant Butte Dam	United States	Record high minimum temperature	21.1 C (70.0 F)	41 of 100 (Notable)
Beeville 5 NE	United States	Record high maximum temperature	39.4 C (102.9 F)	41 of 100 (Notable)
Boerne	United States	Record high maximum temperature	38.3 C (100.9 F)	41 of 100 (Notable)
Raymondville	United States	Record high maximum temperature	39.4 C (102.9 F)	41 of 100 (Notable)
Boras	Sweden	Record high maximum temperature	24.7 C (76.5 F)	40 of 100 (Notable)
Canon City	United States	Record daily precipitation	26.2 mm (1.0 in)	40 of 100 (Notable)
Quemado	United States	Record high minimum temperature	12.8 C (55.0 F)	40 of 100 (Notable)
Mullewa	Australia	Record high maximum temperature	32.8 C (91.0 F)	39 of 100 (Notable)
Bijie	China	Record daily precipitation	58.7 mm (2.3 in)	39 of 100 (Notable)
Esashi	Japan	Record high maximum temperature	30.8 C (87.4 F)	39 of 100 (Notable)
Weslaco	United States	Record high maximum temperature	38.9 C (102.0 F)	39 of 100 (Notable)
Kleiner Feldberg/Taunus	Germany	Record high minimum temperature	18.6 C (65.5 F)	37 of 100 (Notable)
Bet Dagan	Israel	Record high maximum temperature	37.2 C (99.0 F)	37 of 100 (Notable)
Jorge Chavez Intl	Peru	Record high minimum temperature	18.6 C (65.5 F)	37 of 100 (Notable)
San Manuel	United States	Record high minimum temperature	26.1 C (79.0 F)	37 of 100 (Notable)
Nashua 2 NNW	United States	Record high minimum temperature	19.4 C (66.9 F)	37 of 100 (Notable)
Hillsboro	United States	Record high minimum temperature	18.9 C (66.0 F)	37 of 100 (Notable)
Gruver	United States	Record daily precipitation	46.2 mm (1.8 in)	37 of 100 (Notable)
Sunwu	China	Record daily precipitation	27.7 mm (1.1 in)	36 of 100 (Notable)
Dijon-Longvic	France	Record high maximum temperature	33.1 C (91.6 F)	36 of 100 (Notable)
Bocholt	Germany	Record daily precipitation	25.6 mm (1.0 in)	36 of 100 (Notable)
Jonkopings_Flygplats	Sweden	Record high maximum temperature	25.8 C (78.4 F)	36 of 100 (Notable)

Counts by Type and Timescale

1,034 records

Records set or tied on 11 September 2023 by type: Highest daily maximum 448, Lowest daily maximum 12, Highest daily minimum 449, Lowest daily minimum 17, Heaviest daily rainfall 108.

Records on 11 September 2023 by type
Record type	Records
Highest daily maximum	448
Lowest daily maximum	12
Highest daily minimum	449
Lowest daily minimum	17
Heaviest daily rainfall	108
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 September 2023 by timescale: all-time 2, monthly 34, daily 998.

How Much Records Were Beaten By

882 broken records

Margins by which the 882 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 83.7. Ties are not counted.

Top 20 by Significance

11 September 2023

Top 20 records on 11 September 2023 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 September 2023	Hrazdan, AM	monthly rain	99.1 mm (3.9 in)	50.2 mm (2.0 in)	71 years	79 of 100 (Major)
11 September 2023	Guba, AZ	daily rain	99.3 mm (3.9 in)	83.7 mm (3.3 in)	72 years	69 of 100 (Major)
11 September 2023	Ketchikan AP, US	daily rain	126.0 mm (5.0 in)	63.0 mm (2.5 in)	85 years	63 of 100 (Major)
11 September 2023	Bad Rothenfelde, DE	daily rain	33.0 mm (1.3 in)	18.4 mm (0.7 in)	66 years	60 of 100 (Major)
11 September 2023	Gage AP, US	daily rain	55.9 mm (2.2 in)	36.8 mm (1.4 in)	33 years	53 of 100 (Notable)
11 September 2023	Benghazi Benina, LY	daily rain	30.0 mm (1.2 in)	29.0 mm (1.1 in)	13 years	52 of 100 (Notable)
11 September 2023	Walsenburg 1 NW, US	daily rain	29.7 mm (1.2 in)	18.3 mm (0.7 in)	40 years	51 of 100 (Notable)
11 September 2023	Jornada Exp Range, US	daily high min	25.0 C (77.0 F)	4.4 C (7.9 F)	105 years	51 of 100 (Notable)
11 September 2023	Pueblo Rsvr, US	daily rain	26.7 mm (1.1 in)	19.8 mm (0.8 in)	16 years	49 of 100 (Notable)
11 September 2023	Sellersville, US	daily rain	95.8 mm (3.8 in)	69.9 mm (2.8 in)	13 years	49 of 100 (Notable)
11 September 2023	Florissant Fossil Beds, US	daily rain	27.7 mm (1.1 in)	23.9 mm (0.9 in)	16 years	48 of 100 (Notable)
11 September 2023	Pueblo Mem AP, US	daily rain	25.9 mm (1.0 in)	16.5 mm (0.6 in)	37 years	48 of 100 (Notable)
11 September 2023	Antofagasta, CL	daily high max	23.9 C (75.0 F)	2.8 C (5.0 F)	65 years	47 of 100 (Notable)
11 September 2023	Bahraich, IN	daily rain	99.1 mm (3.9 in)	20.4 mm (0.8 in)	118 years	47 of 100 (Notable)
11 September 2023	Sheffield, GB	daily rain	28.6 mm (1.1 in)	6.5 mm (0.26 in)	92 years	47 of 100 (Notable)
11 September 2023	Melle, DE	daily rain	36.2 mm (1.4 in)	18.8 mm (0.7 in)	9 years	46 of 100 (Notable)
11 September 2023	Mukteshwar Kumaon, IN	daily rain	77.0 mm (3.0 in)	14.0 mm (0.6 in)	112 years	46 of 100 (Notable)
11 September 2023	Altastenberg, DE	daily high min	18.0 C (64.4 F)	1.8 C (3.2 F)	104 years	45 of 100 (Notable)
11 September 2023	Borken In Westfalen, DE	daily rain	30.9 mm (1.2 in)	15.7 mm (0.6 in)	40 years	45 of 100 (Notable)
11 September 2023	Paradise, US	daily high max	33.3 C (91.9 F)	1.6 C (2.9 F)	112 years	45 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

1809 to 2023

Records set or tied on this calendar date in each year from 1809 to 2023. 2023 had 1,034 records.

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

Records on 09-11 in each year
Year	Records
1809	1
1814	3
1818	1
1830	1
1836	1
1838	3
1839	1
1848	1
1850	1
1851	1
1854	2
1858	1
1860	2
1861	1
1863	2
1865	3
1866	1
1874	2
1876	1
1877	1
1879	1
1880	1
1882	4
1883	2
1884	1
1886	1
1888	2
1889	4
1890	2
1891	2
1892	1
1893	4
1894	2
1895	4
1896	1
1897	3
1898	3
1899	5
1900	1
1901	3
1902	15
1903	13
1904	4
1905	5
1906	10
1907	9
1908	20
1909	12
1910	19
1911	9
1912	25
1913	22
1914	52
1915	160
1916	17
1917	88
1918	62
1919	52
1920	158
1921	52
1922	78
1923	44
1924	290
1925	260
1926	137
1927	300
1928	127
1929	206
1930	136
1931	868
1932	210
1933	276
1934	144
1935	410
1936	567
1937	324
1938	288
1939	561
1940	891
1941	210
1942	234
1943	335
1944	446
1945	341
1946	262
1947	611
1948	424
1949	450
1950	462
1951	247
1952	549
1953	392
1954	363
1955	479
1956	539
1957	470
1958	748
1959	488
1960	423
1961	524
1962	480
1963	359
1964	1,195
1965	414
1966	392
1967	478
1968	835
1969	685
1970	474
1971	464
1972	507
1973	612
1974	430
1975	644
1976	920
1977	406
1978	911
1979	596
1980	474
1981	347
1982	862
1983	1,243
1984	888
1985	844
1986	1,221
1987	595
1988	1,019
1989	1,301
1990	840
1991	843
1992	672
1993	809
1994	713
1995	619
1996	1,030
1997	808
1998	1,821
1999	1,073
2000	1,469
2001	826
2002	1,059
2003	1,022
2004	740
2005	1,163
2006	1,132
2007	947
2008	916
2009	774
2010	965
2011	1,051
2012	687
2013	1,207
2014	1,100
2015	683
2016	677
2017	916
2018	763
2019	806
2020	1,235
2021	851
2022	617
2023	1,034
2024	889
2025	917
2026	615

Download the Data

Data for records on 2023-09-11: 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	867
20 to 40	11
40 to 60	1
60 to 80	2
80 to 100	1