Weather Records on 9 September 2001

1,647 weather records were set or tied worldwide on 9 September 2001. Highest significance: Bremen-Seefahrtschule, DE.

Key Facts for 9 September 2001

On 9 September 2001, 1,647 weather records were set or tied at long-record stations worldwide.
433 were record highs and 580 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 51 monthly and 1,592 daily.
Bremen-Seefahrtschule set a daily record precipitation of 40.8 mm (1.6 in) on 9 September 2001.
Across 162 earlier years (1806 to 2026) the same calendar date averaged 454 records.

Record Map

1,647 stations

1,647 station records on 9 September 2001 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 September 2001: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bremen-Seefahrtschule	Germany	Record daily precipitation	40.8 mm (1.6 in)	77 of 100 (Major)
Wangerooge	Germany	Record daily precipitation	35.4 mm (1.4 in)	68 of 100 (Major)
Duved	Sweden	Record daily precipitation	31.1 mm (1.2 in)	68 of 100 (Major)
Mena	United States	Record daily precipitation	124.5 mm (4.9 in)	68 of 100 (Major)
Keflavik	Iceland	Record daily precipitation	89.9 mm (3.5 in)	67 of 100 (Major)
Liepaja	Latvia	Record daily precipitation	50.8 mm (2.0 in)	65 of 100 (Major)
Neuruppin	Germany	Record daily precipitation	25.8 mm (1.0 in)	62 of 100 (Major)
Pine Ridge	United States	Record daily precipitation	200.4 mm (7.9 in)	62 of 100 (Major)
Mt Ida 3 SE	United States	Record daily precipitation	116.8 mm (4.6 in)	61 of 100 (Major)
Oden 1 SE	United States	Record daily precipitation	174.0 mm (6.9 in)	59 of 100 (Notable)
Sealy	United States	Record daily precipitation	115.3 mm (4.5 in)	59 of 100 (Notable)
Harnosand	Sweden	Record daily precipitation	57.8 mm (2.3 in)	58 of 100 (Notable)
Big Fk 1 SSE	United States	Record daily precipitation	203.2 mm (8.0 in)	58 of 100 (Notable)
Bad Muskau	Germany	Record daily precipitation	25.9 mm (1.0 in)	57 of 100 (Notable)
Sundsvalls Flygplats	Sweden	Record daily precipitation	62.1 mm (2.4 in)	57 of 100 (Notable)
Teterow	Germany	Record daily precipitation	36.6 mm (1.4 in)	56 of 100 (Notable)
Alexandria	United States	Record daily precipitation	51.3 mm (2.0 in)	55 of 100 (Notable)
Marnitz	Germany	Record daily precipitation	32.4 mm (1.3 in)	54 of 100 (Notable)
Presa Francisco Trinidad Fabe	Mexico	Record daily precipitation	90.9 mm (3.6 in)	54 of 100 (Notable)
Uniontown	United States	Record daily precipitation	50.8 mm (2.0 in)	54 of 100 (Notable)
Nienburg	Germany	Record daily precipitation	45.6 mm (1.8 in)	53 of 100 (Notable)
Rushville	United States	Record daily precipitation	61.5 mm (2.4 in)	53 of 100 (Notable)
Idrinskoe	Russia	Record daily precipitation	40.1 mm (1.6 in)	52 of 100 (Notable)
Astrask	Sweden	Record daily precipitation	41.1 mm (1.6 in)	52 of 100 (Notable)
Berlin-Dahlem	Germany	Record daily precipitation	27.0 mm (1.1 in)	51 of 100 (Notable)
Lillhamra	Sweden	Record daily precipitation	56.7 mm (2.2 in)	51 of 100 (Notable)
Vallbo	Sweden	Record daily precipitation	42.7 mm (1.7 in)	51 of 100 (Notable)
New Rvr McAf	United States	Record daily precipitation	160.8 mm (6.3 in)	51 of 100 (Notable)
Gilmer 4 WNW	United States	Record daily precipitation	82.3 mm (3.2 in)	50 of 100 (Notable)
Karbole	Sweden	Record daily precipitation	36.0 mm (1.4 in)	49 of 100 (Notable)
Gravelly	United States	Record daily precipitation	95.3 mm (3.8 in)	49 of 100 (Notable)
Myskelasen_D	Sweden	Record daily precipitation	41.0 mm (1.6 in)	48 of 100 (Notable)
Fagerheden	Sweden	Record daily precipitation	37.8 mm (1.5 in)	48 of 100 (Notable)
Henderson 8 SSW	United States	Record daily precipitation	49.8 mm (2.0 in)	48 of 100 (Notable)
Sault Ste Marie Sanderson Fld	United States	Record daily precipitation	39.1 mm (1.5 in)	48 of 100 (Notable)
Clausthal-Zellerfeld	Germany	Record daily precipitation	59.2 mm (2.3 in)	47 of 100 (Notable)
Kyritz	Germany	Record daily precipitation	34.5 mm (1.4 in)	47 of 100 (Notable)
Ulvsjo	Sweden	Record daily precipitation	63.8 mm (2.5 in)	47 of 100 (Notable)
Jarvso	Sweden	Record daily precipitation	40.3 mm (1.6 in)	47 of 100 (Notable)
Fone_D	Sweden	Record daily precipitation	43.1 mm (1.7 in)	47 of 100 (Notable)
Vannas	Sweden	Record daily precipitation	27.0 mm (1.1 in)	47 of 100 (Notable)
Bailey	United States	Record low maximum temperature	5.6 C (42.1 F)	47 of 100 (Notable)
Mancos 1SW	United States	Record low minimum temperature	-1.1 C (30.0 F)	47 of 100 (Notable)
Okeechobee	United States	Record daily precipitation	103.1 mm (4.1 in)	47 of 100 (Notable)
Orono	United States	Record high maximum temperature	33.3 C (91.9 F)	47 of 100 (Notable)
Laforsen	Sweden	Record daily precipitation	45.8 mm (1.8 in)	46 of 100 (Notable)
Jessieville	United States	Record daily precipitation	66.8 mm (2.6 in)	46 of 100 (Notable)
Franklin 3 NW	United States	Record low maximum temperature	24.4 C (75.9 F)	46 of 100 (Notable)
Inverness 3 SE	United States	Record daily precipitation	83.8 mm (3.3 in)	45 of 100 (Notable)
Farmerville	United States	Record daily precipitation	30.5 mm (1.2 in)	45 of 100 (Notable)
Cambridge	United States	Record low maximum temperature	12.2 C (54.0 F)	45 of 100 (Notable)
Potsdam	Germany	Record daily precipitation	29.0 mm (1.1 in)	44 of 100 (Notable)
Worpswede-Huttenbusch	Germany	Record daily precipitation	38.9 mm (1.5 in)	44 of 100 (Notable)
Gronliden	Sweden	Record daily precipitation	44.1 mm (1.7 in)	44 of 100 (Notable)
Wittenberg	Germany	Record daily precipitation	30.9 mm (1.2 in)	43 of 100 (Notable)
Akroken	Sweden	Record daily precipitation	37.4 mm (1.5 in)	43 of 100 (Notable)
Jarpstrommen	Sweden	Record daily precipitation	33.5 mm (1.3 in)	43 of 100 (Notable)
Meeker	United States	Record low maximum temperature	11.7 C (53.1 F)	43 of 100 (Notable)
Spicer	United States	Record daily snowfall	5.1 cm (2.0 in)	43 of 100 (Notable)
Chemnitz	Germany	Record low maximum temperature	9.6 C (49.3 F)	42 of 100 (Notable)

Counts by Type and Timescale

1,647 records

Records set or tied on 9 September 2001 by type: Highest daily maximum 146, Lowest daily maximum 316, Highest daily minimum 287, Lowest daily minimum 264, Heaviest daily rainfall 630, Heaviest daily snowfall 2, Deepest snow cover 2.

Records on 9 September 2001 by type
Record type	Records
Highest daily maximum	146
Lowest daily maximum	316
Highest daily minimum	287
Lowest daily minimum	264
Heaviest daily rainfall	630
Heaviest daily snowfall	2
Deepest snow cover	2

Records on 9 September 2001 by timescale: all-time 4, monthly 51, daily 1,592.

How Much Records Were Beaten By

1,332 broken records

Margins by which the 1,332 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 84.1. Ties are not counted.

Top 20 by Significance

9 September 2001

Top 20 records on 9 September 2001 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 September 2001	Bremen-Seefahrtschule, DE	daily rain	40.8 mm (1.6 in)	21.5 mm (0.8 in)	91 years	77 of 100 (Major)
9 September 2001	Wangerooge, DE	daily rain	35.4 mm (1.4 in)	17.9 mm (0.7 in)	98 years	68 of 100 (Major)
9 September 2001	Duved, SE	daily rain	31.1 mm (1.2 in)	22.1 mm (0.9 in)	70 years	68 of 100 (Major)
9 September 2001	Mena, US	daily rain	124.5 mm (4.9 in)	60.2 mm (2.4 in)	94 years	68 of 100 (Major)
9 September 2001	Keflavik, IS	monthly rain	89.9 mm (3.5 in)	34.5 mm (1.4 in)	41 years	67 of 100 (Major)
9 September 2001	Liepaja, LV	monthly rain	50.8 mm (2.0 in)	11.3 mm (0.4 in)	86 years	65 of 100 (Major)
9 September 2001	Neuruppin, DE	daily rain	25.8 mm (1.0 in)	16.9 mm (0.7 in)	64 years	62 of 100 (Major)
9 September 2001	Pine Ridge, US	monthly rain	200.4 mm (7.9 in)	65.0 mm (2.6 in)	35 years	62 of 100 (Major)
9 September 2001	Mt Ida 3 SE, US	daily rain	116.8 mm (4.6 in)	71.1 mm (2.8 in)	59 years	61 of 100 (Major)
9 September 2001	Oden 1 SE, US	monthly rain	174.0 mm (6.9 in)	55.6 mm (2.2 in)	35 years	59 of 100 (Notable)
9 September 2001	Sealy, US	daily rain	115.3 mm (4.5 in)	70.8 mm (2.8 in)	52 years	59 of 100 (Notable)
9 September 2001	Harnosand, SE	daily rain	57.8 mm (2.3 in)	22.2 mm (0.9 in)	76 years	58 of 100 (Notable)
9 September 2001	Big Fk 1 SSE, US	monthly rain	203.2 mm (8.0 in)	68.8 mm (2.7 in)	35 years	58 of 100 (Notable)
9 September 2001	Bad Muskau, DE	daily rain	25.9 mm (1.0 in)	11.2 mm (0.4 in)	91 years	57 of 100 (Notable)
9 September 2001	Sundsvalls Flygplats, SE	monthly rain	62.1 mm (2.4 in)	21.7 mm (0.9 in)	24 years	57 of 100 (Notable)
9 September 2001	Teterow, DE	daily rain	36.6 mm (1.4 in)	23.7 mm (0.9 in)	20 years	56 of 100 (Notable)
9 September 2001	Alexandria, US	daily rain	51.3 mm (2.0 in)	27.2 mm (1.1 in)	100 years	55 of 100 (Notable)
9 September 2001	Marnitz, DE	daily rain	32.4 mm (1.3 in)	17.9 mm (0.7 in)	20 years	54 of 100 (Notable)
9 September 2001	Presa Francisco Trinidad Fabe, MX	all-time rain	90.9 mm (3.6 in)	23.6 mm (0.9 in)	28 years	54 of 100 (Notable)
9 September 2001	Uniontown, US	daily rain	50.8 mm (2.0 in)	29.5 mm (1.2 in)	91 years	54 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

1806 to 2001

Records set or tied on this calendar date in each year from 1806 to 2001. 2001 had 1,647 records.

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

Records on 09-09 in each year
Year	Records
1806	1
1812	1
1813	1
1814	2
1834	1
1836	1
1845	1
1847	1
1848	1
1849	2
1850	1
1854	1
1864	2
1865	3
1866	3
1867	1
1869	1
1871	1
1873	1
1878	1
1879	1
1880	2
1883	3
1884	4
1886	1
1888	4
1889	1
1890	1
1891	1
1892	4
1893	4
1894	3
1895	7
1897	3
1898	5
1899	6
1900	1
1901	4
1902	5
1903	14
1904	9
1905	8
1906	24
1907	9
1908	5
1909	9
1910	17
1911	27
1912	48
1913	12
1914	69
1915	48
1916	16
1917	44
1918	40
1919	74
1920	145
1921	92
1922	115
1923	58
1924	232
1925	248
1926	168
1927	246
1928	108
1929	362
1930	211
1931	558
1932	302
1933	433
1934	256
1935	461
1936	297
1937	242
1938	416
1939	429
1940	294
1941	763
1942	357
1943	596
1944	719
1945	355
1946	366
1947	465
1948	307
1949	1,407
1950	426
1951	338
1952	511
1953	344
1954	283
1955	608
1956	742
1957	390
1958	419
1959	736
1960	492
1961	383
1962	847
1963	400
1964	488
1965	326
1966	366
1967	367
1968	440
1969	603
1970	584
1971	498
1972	464
1973	517
1974	689
1975	555
1976	773
1977	410
1978	702
1979	878
1980	829
1981	1,011
1982	814
1983	958
1984	1,304
1985	1,269
1986	1,026
1987	676
1988	836
1989	983
1990	762
1991	882
1992	620
1993	886
1994	892
1995	937
1996	809
1997	837
1998	1,667
1999	1,013
2000	811
2001	1,647
2002	1,355
2003	786
2004	1,603
2005	1,068
2006	917
2007	948
2008	1,161
2009	792
2010	1,049
2011	1,328
2012	681
2013	974
2014	590
2015	806
2016	1,210
2017	661
2018	876
2019	953
2020	2,579
2021	1,458
2022	1,094
2023	1,222
2024	1,146
2025	520
2026	815

Download the Data

Data for records on 2001-09-09: 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	1,226
20 to 40	78
40 to 60	17
60 to 80	9
80 to 100	2