Weather Records on 7 September 1984

1,396 weather records were set or tied worldwide on 7 September 1984. Highest significance: Perm, RU.

Key Facts for 7 September 1984

On 7 September 1984, 1,396 weather records were set or tied at long-record stations worldwide.
145 were record highs and 884 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 32 monthly and 1,361 daily.
Perm set a daily record precipitation of 30.7 mm (1.2 in) on 7 September 1984.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 445 records.

Record Map

1,396 stations

1,396 station records on 7 September 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 September 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Perm	Russia	Record daily precipitation	30.7 mm (1.2 in)	74 of 100 (Major)
Aachen	Germany	Record daily precipitation	37.6 mm (1.5 in)	71 of 100 (Major)
Scheveningen	Netherlands	Record daily precipitation	54.1 mm (2.1 in)	69 of 100 (Major)
Bad Ems	Germany	Record daily precipitation	28.6 mm (1.1 in)	58 of 100 (Notable)
Strijen	Netherlands	Record daily precipitation	38.8 mm (1.5 in)	58 of 100 (Notable)
Pedro Leopoldo	Brazil	Record daily precipitation	32.0 mm (1.3 in)	54 of 100 (Notable)
Jaguaruna-Jusante (on?A)	Brazil	Record daily precipitation	42.4 mm (1.7 in)	52 of 100 (Notable)
Zundert	Netherlands	Record daily precipitation	46.8 mm (1.8 in)	52 of 100 (Notable)
Vaals	Netherlands	Record daily precipitation	38.8 mm (1.5 in)	52 of 100 (Notable)
Fazenda Ajudas	Brazil	Record daily precipitation	49.6 mm (2.0 in)	51 of 100 (Notable)
Poortugaal	Netherlands	Record daily precipitation	37.7 mm (1.5 in)	51 of 100 (Notable)
Kloosterzande	Netherlands	Record daily precipitation	40.7 mm (1.6 in)	51 of 100 (Notable)
Stein (L)	Netherlands	Record daily precipitation	35.5 mm (1.4 in)	51 of 100 (Notable)
Niederworresbach	Germany	Record daily precipitation	27.4 mm (1.1 in)	50 of 100 (Notable)
Blankenrath	Germany	Record daily precipitation	33.7 mm (1.3 in)	50 of 100 (Notable)
Ovezande	Netherlands	Record daily precipitation	34.4 mm (1.4 in)	50 of 100 (Notable)
'S Heerenhoek	Netherlands	Record daily precipitation	36.7 mm (1.4 in)	50 of 100 (Notable)
Leiden	Netherlands	Record daily precipitation	32.5 mm (1.3 in)	50 of 100 (Notable)
St Kruis	Netherlands	Record daily precipitation	36.0 mm (1.4 in)	50 of 100 (Notable)
Oud Alblas	Netherlands	Record daily precipitation	39.3 mm (1.5 in)	49 of 100 (Notable)
Wilhelminadorp-1	Netherlands	Record daily precipitation	36.1 mm (1.4 in)	49 of 100 (Notable)
Philippine	Netherlands	Record daily precipitation	29.7 mm (1.2 in)	49 of 100 (Notable)
Brielle	Netherlands	Record daily precipitation	43.7 mm (1.7 in)	49 of 100 (Notable)
Kapelle	Netherlands	Record daily precipitation	38.5 mm (1.5 in)	49 of 100 (Notable)
Krabbendijke	Netherlands	Record daily precipitation	38.6 mm (1.5 in)	49 of 100 (Notable)
Rilland	Netherlands	Record daily precipitation	43.2 mm (1.7 in)	49 of 100 (Notable)
Stramproy	Netherlands	Record daily precipitation	25.5 mm (1.0 in)	49 of 100 (Notable)
Terneuzen	Netherlands	Record daily precipitation	36.3 mm (1.4 in)	49 of 100 (Notable)
Ubachsberg	Netherlands	Record daily precipitation	42.2 mm (1.7 in)	49 of 100 (Notable)
Pawnee City	United States	Record high minimum temperature	31.1 C (88.0 F)	49 of 100 (Notable)
Zhangwu	China	Record daily precipitation	68.0 mm (2.7 in)	48 of 100 (Notable)
Bonn-Friesdorf	Germany	Record daily precipitation	39.8 mm (1.6 in)	48 of 100 (Notable)
Presa Mixcoac	Mexico	Record daily precipitation	80.3 mm (3.2 in)	48 of 100 (Notable)
Oosterhout	Netherlands	Record daily precipitation	42.7 mm (1.7 in)	48 of 100 (Notable)
Chicontepec de Tejeda (Smn)	Mexico	Record daily precipitation	179.8 mm (7.1 in)	47 of 100 (Notable)
Divinopolis	Brazil	Record daily precipitation	46.0 mm (1.8 in)	46 of 100 (Notable)
Ijsselmonde	Netherlands	Record daily precipitation	34.0 mm (1.3 in)	46 of 100 (Notable)
Valkenburg (L)	Netherlands	Record daily precipitation	40.9 mm (1.6 in)	46 of 100 (Notable)
Bergschenhoek	Netherlands	Record daily precipitation	37.6 mm (1.5 in)	46 of 100 (Notable)
Noorbeek	Netherlands	Record daily precipitation	51.2 mm (2.0 in)	46 of 100 (Notable)
Stavenisse	Netherlands	Record daily precipitation	34.4 mm (1.4 in)	46 of 100 (Notable)
Steenbergen (Nb)	Netherlands	Record daily precipitation	59.8 mm (2.4 in)	46 of 100 (Notable)
Vrouwenpolder	Netherlands	Record daily precipitation	32.9 mm (1.3 in)	46 of 100 (Notable)
Uccle	Belgium	Record daily precipitation	36.0 mm (1.4 in)	45 of 100 (Notable)
Buchten	Netherlands	Record daily precipitation	40.0 mm (1.6 in)	45 of 100 (Notable)
Nordoyan Fyr	Norway	Record daily precipitation	30.3 mm (1.2 in)	45 of 100 (Notable)
Bengbu	China	Record daily precipitation	66.3 mm (2.6 in)	44 of 100 (Notable)
Cadzand	Netherlands	Record daily precipitation	32.2 mm (1.3 in)	44 of 100 (Notable)
Wolphaartsdijk	Netherlands	Record daily precipitation	31.4 mm (1.2 in)	44 of 100 (Notable)
Bedford	United States	Record high minimum temperature	29.4 C (84.9 F)	44 of 100 (Notable)
Colonia Escandon	Mexico	Record daily precipitation	57.4 mm (2.3 in)	43 of 100 (Notable)
Kerkwerve	Netherlands	Record daily precipitation	35.6 mm (1.4 in)	42 of 100 (Notable)
Callantsoog	Netherlands	Record daily precipitation	29.3 mm (1.2 in)	42 of 100 (Notable)
Vastervik	Sweden	Record low minimum temperature	2.7 C (36.9 F)	42 of 100 (Notable)
Mexia	United States	Record low minimum temperature	8.9 C (48.0 F)	42 of 100 (Notable)
Koppio	Australia	Record daily precipitation	27.6 mm (1.1 in)	41 of 100 (Notable)
Karlsruhe	Germany	Record low maximum temperature	10.9 C (51.6 F)	41 of 100 (Notable)
Oostvoorne	Netherlands	Record daily precipitation	45.3 mm (1.8 in)	41 of 100 (Notable)
Valkenburg-1	Netherlands	Record daily precipitation	30.9 mm (1.2 in)	41 of 100 (Notable)
Biervliet	Netherlands	Record daily precipitation	26.1 mm (1.0 in)	41 of 100 (Notable)

Counts by Type and Timescale

1,396 records

Records set or tied on 7 September 1984 by type: Highest daily maximum 42, Lowest daily maximum 372, Highest daily minimum 103, Lowest daily minimum 512, Heaviest daily rainfall 366, Deepest snow cover 1.

Records on 7 September 1984 by type
Record type	Records
Highest daily maximum	42
Lowest daily maximum	372
Highest daily minimum	103
Lowest daily minimum	512
Heaviest daily rainfall	366
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 7 September 1984 by timescale: all-time 3, monthly 32, daily 1,361.

How Much Records Were Beaten By

1,127 broken records

Margins by which the 1,127 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 109.7. Ties are not counted.

Top 20 by Significance

7 September 1984

Top 20 records on 7 September 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 September 1984	Perm, RU	daily rain	30.7 mm (1.2 in)	16.7 mm (0.7 in)	96 years	74 of 100 (Major)
7 September 1984	Aachen, DE	daily rain	37.6 mm (1.5 in)	24.6 mm (1.0 in)	79 years	71 of 100 (Major)
7 September 1984	Scheveningen, NL	daily rain	54.1 mm (2.1 in)	29.1 mm (1.1 in)	66 years	69 of 100 (Major)
7 September 1984	Bad Ems, DE	daily rain	28.6 mm (1.1 in)	20.8 mm (0.8 in)	46 years	58 of 100 (Notable)
7 September 1984	Strijen, NL	daily rain	38.8 mm (1.5 in)	22.3 mm (0.9 in)	48 years	58 of 100 (Notable)
7 September 1984	Pedro Leopoldo, BR	daily rain	32.0 mm (1.3 in)	31.4 mm (1.2 in)	42 years	54 of 100 (Notable)
7 September 1984	Jaguaruna-Jusante (on?A), BR	daily rain	42.4 mm (1.7 in)	41.4 mm (1.6 in)	32 years	52 of 100 (Notable)
7 September 1984	Zundert, NL	daily rain	46.8 mm (1.8 in)	32.3 mm (1.3 in)	32 years	52 of 100 (Notable)
7 September 1984	Vaals, NL	daily rain	38.8 mm (1.5 in)	33.3 mm (1.3 in)	32 years	52 of 100 (Notable)
7 September 1984	Fazenda Ajudas, BR	daily rain	49.6 mm (2.0 in)	41.0 mm (1.6 in)	38 years	51 of 100 (Notable)
7 September 1984	Poortugaal, NL	daily rain	37.7 mm (1.5 in)	25.4 mm (1.0 in)	32 years	51 of 100 (Notable)
7 September 1984	Kloosterzande, NL	daily rain	40.7 mm (1.6 in)	36.8 mm (1.4 in)	28 years	51 of 100 (Notable)
7 September 1984	Stein (L), NL	daily rain	35.5 mm (1.4 in)	28.1 mm (1.1 in)	29 years	51 of 100 (Notable)
7 September 1984	Niederworresbach, DE	daily rain	27.4 mm (1.1 in)	18.3 mm (0.7 in)	32 years	50 of 100 (Notable)
7 September 1984	Blankenrath, DE	daily rain	33.7 mm (1.3 in)	23.2 mm (0.9 in)	19 years	50 of 100 (Notable)
7 September 1984	Ovezande, NL	daily rain	34.4 mm (1.4 in)	29.1 mm (1.1 in)	26 years	50 of 100 (Notable)
7 September 1984	'S Heerenhoek, NL	daily rain	36.7 mm (1.4 in)	30.9 mm (1.2 in)	26 years	50 of 100 (Notable)
7 September 1984	Leiden, NL	daily rain	32.5 mm (1.3 in)	22.0 mm (0.9 in)	40 years	50 of 100 (Notable)
7 September 1984	St Kruis, NL	daily rain	36.0 mm (1.4 in)	32.5 mm (1.3 in)	26 years	50 of 100 (Notable)
7 September 1984	Oud Alblas, NL	daily rain	39.3 mm (1.5 in)	32.3 mm (1.3 in)	23 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

1802 to 1984

Records set or tied on this calendar date in each year from 1802 to 1984. 1984 had 1,396 records.

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

Records on 09-07 in each year
Year	Records
1802	2
1814	2
1816	1
1833	1
1845	2
1847	1
1848	1
1850	1
1852	1
1856	1
1859	1
1860	2
1861	1
1864	2
1865	3
1868	1
1870	1
1871	4
1872	3
1873	1
1877	4
1878	1
1879	1
1881	2
1882	1
1883	2
1886	1
1887	3
1888	1
1889	1
1890	2
1891	7
1892	3
1894	8
1895	7
1896	1
1897	2
1898	8
1899	3
1900	1
1901	6
1902	3
1903	7
1904	8
1905	20
1906	8
1907	5
1908	26
1909	11
1910	15
1911	20
1912	39
1913	20
1914	29
1915	28
1916	39
1917	44
1918	35
1919	184
1920	375
1921	80
1922	98
1923	125
1924	232
1925	303
1926	117
1927	147
1928	130
1929	355
1930	108
1931	400
1932	478
1933	287
1934	566
1935	275
1936	370
1937	260
1938	348
1939	634
1940	226
1941	451
1942	415
1943	591
1944	519
1945	482
1946	356
1947	625
1948	353
1949	705
1950	704
1951	342
1952	301
1953	446
1954	390
1955	405
1956	752
1957	498
1958	570
1959	583
1960	763
1961	312
1962	729
1963	448
1964	463
1965	672
1966	365
1967	535
1968	417
1969	696
1970	917
1971	648
1972	534
1973	674
1974	709
1975	423
1976	763
1977	674
1978	1,165
1979	583
1980	613
1981	622
1982	684
1983	1,235
1984	1,396
1985	1,459
1986	1,062
1987	956
1988	1,266
1989	553
1990	900
1991	957
1992	1,257
1993	720
1994	523
1995	1,093
1996	982
1997	799
1998	1,262
1999	1,087
2000	1,320
2001	1,068
2002	1,169
2003	768
2004	865
2005	708
2006	1,105
2007	1,171
2008	1,210
2009	713
2010	1,147
2011	1,452
2012	699
2013	981
2014	491
2015	637
2016	868
2017	966
2018	723
2019	743
2020	1,352
2021	794
2022	2,096
2023	1,116
2024	1,216
2025	711
2026	760

Download the Data

Data for records on 1984-09-07: 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	1,064
20 to 40	55
40 to 60	7
60 to 80	0
80 to 100	0
100 to 120	1