Weather Records on 6 September 1987

735 weather records were set or tied worldwide on 6 September 1987. Highest significance: Milan, IT.

Key Facts for 6 September 1987

On 6 September 1987, 735 weather records were set or tied at long-record stations worldwide.
208 were record highs and 166 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 23 monthly and 710 daily.
Milan set a daily record precipitation of 76.6 mm (3.0 in) on 6 September 1987.
Across 164 earlier years (1794 to 2026) the same calendar date averaged 449 records.

Record Map

735 stations

735 station records on 6 September 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 September 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Milan	Italy	Record daily precipitation	76.6 mm (3.0 in)	66 of 100 (Major)
Brakboschpoort	South Africa	Record daily precipitation	30.5 mm (1.2 in)	63 of 100 (Major)
Wesselsbron (Mun)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	62 of 100 (Major)
Tevredenheid	South Africa	Record daily precipitation	47.5 mm (1.9 in)	60 of 100 (Major)
Kafferrivier (Pol)	South Africa	Record daily precipitation	26.5 mm (1.0 in)	59 of 100 (Notable)
Philipstown (Tnk)	South Africa	Record daily precipitation	31.0 mm (1.2 in)	58 of 100 (Notable)
Upper Tract	United States	Record daily precipitation	47.2 mm (1.9 in)	56 of 100 (Notable)
Bujumbura	Burundi	Record daily precipitation	26.3 mm (1.0 in)	53 of 100 (Notable)
Dillingham FAA AP	United States	Record daily precipitation	41.9 mm (1.6 in)	51 of 100 (Notable)
Broken Hill (Patton Street)	Australia	Record daily precipitation	30.8 mm (1.2 in)	50 of 100 (Notable)
Preststulen	Norway	Record daily precipitation	27.5 mm (1.1 in)	47 of 100 (Notable)
Waialua 847	United States	Record high minimum temperature	24.4 C (75.9 F)	47 of 100 (Notable)
Petrusville (Pol)	South Africa	Record daily precipitation	31.0 mm (1.2 in)	46 of 100 (Notable)
Buzuluk	Russia	Record daily precipitation	32.3 mm (1.3 in)	44 of 100 (Notable)
Irene	South Africa	Record daily precipitation	26.5 mm (1.0 in)	42 of 100 (Notable)
Zevenfontein	South Africa	Record daily precipitation	25.0 mm (1.0 in)	42 of 100 (Notable)
Palmaryville	South Africa	Record daily precipitation	46.0 mm (1.8 in)	42 of 100 (Notable)
Marlinton	United States	Record daily precipitation	41.4 mm (1.6 in)	41 of 100 (Notable)
Poprad/Tatry	Slovakia	Record daily precipitation	32.3 mm (1.3 in)	40 of 100 (Notable)
Honolulu Intl AP	United States	Record high minimum temperature	26.7 C (80.1 F)	40 of 100 (Notable)
Zomerkomst (Bos)	South Africa	Record daily precipitation	32.5 mm (1.3 in)	38 of 100 (Notable)
Broken Hill (Kars)	Australia	Record daily precipitation	27.0 mm (1.1 in)	36 of 100 (Notable)
Mantova	Italy	Record daily precipitation	46.0 mm (1.8 in)	36 of 100 (Notable)
Inhambane	Mozambique	Record daily precipitation	47.5 mm (1.9 in)	36 of 100 (Notable)
Kuilput	South Africa	Record daily precipitation	29.5 mm (1.2 in)	36 of 100 (Notable)
Everett	United States	Record low maximum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
McColl 3 NNW	United States	Record daily precipitation	47.2 mm (1.9 in)	36 of 100 (Notable)
Asheville AP	United States	Record daily precipitation	57.9 mm (2.3 in)	35 of 100 (Notable)
Pecs Pogany	Hungary	Record daily precipitation	28.0 mm (1.1 in)	34 of 100 (Routine)
Grootmodderfontein	South Africa	Record daily precipitation	36.5 mm (1.4 in)	34 of 100 (Routine)
Mac Mac Bos	South Africa	Record daily precipitation	26.0 mm (1.0 in)	34 of 100 (Routine)
Kenton	United States	Record daily precipitation	29.2 mm (1.1 in)	34 of 100 (Routine)
Nuevo Ixcatlan	Mexico	Record low minimum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Middlekop (Bos)	South Africa	Record daily precipitation	25.0 mm (1.0 in)	32 of 100 (Routine)
Watsonville Wtr Wks	United States	Record high minimum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
Richfield 10 WSW	United States	Record daily precipitation	30.7 mm (1.2 in)	32 of 100 (Routine)
Branchville 6 SW	United States	Record daily precipitation	83.6 mm (3.3 in)	32 of 100 (Routine)
Panhandle	United States	Record daily precipitation	27.7 mm (1.1 in)	32 of 100 (Routine)
Oost Vlieland	Netherlands	Record daily precipitation	26.6 mm (1.0 in)	31 of 100 (Routine)
Junction 4SSW	United States	Record low maximum temperature	22.8 C (73.0 F)	31 of 100 (Routine)
Spooner Ag Rsch STN	United States	Record daily precipitation	30.2 mm (1.2 in)	31 of 100 (Routine)
Huetamo	Mexico	Record high maximum temperature	41.1 C (106.0 F)	30 of 100 (Routine)
Tangancicuaro	Mexico	Record low minimum temperature	5.0 C (41.0 F)	30 of 100 (Routine)
Bergen/Flesland	Norway	Record daily precipitation	50.5 mm (2.0 in)	30 of 100 (Routine)
Highland Home	United States	Record low maximum temperature	21.7 C (71.1 F)	30 of 100 (Routine)
Hartley 4 ESE	United States	Record daily precipitation	39.4 mm (1.6 in)	30 of 100 (Routine)
Big Meadows	United States	Record low maximum temperature	9.4 C (48.9 F)	30 of 100 (Routine)
Sumidouro	Brazil	Record daily precipitation	50.0 mm (2.0 in)	29 of 100 (Routine)
Barra Do Capinzal	Brazil	Record daily precipitation	30.9 mm (1.2 in)	29 of 100 (Routine)
Greifswald	Germany	Record high minimum temperature	15.5 C (59.9 F)	29 of 100 (Routine)
Homestead Exp STN	United States	Record daily precipitation	80.5 mm (3.2 in)	29 of 100 (Routine)
Lewisburg 3 N	United States	Record low maximum temperature	15.6 C (60.1 F)	29 of 100 (Routine)
Iguape	Brazil	Record daily precipitation	51.9 mm (2.0 in)	28 of 100 (Routine)
Clarendon	United States	Record daily precipitation	29.2 mm (1.1 in)	28 of 100 (Routine)
Uruapan (Smn)	Mexico	Record high minimum temperature	16.7 C (62.1 F)	27 of 100 (Routine)
Forsan	United States	Record daily precipitation	53.3 mm (2.1 in)	27 of 100 (Routine)
Vasilevici	Belarus	Record low minimum temperature	2.3 C (36.1 F)	26 of 100 (Routine)
Barra Do Itapemirim (Dnos)	Brazil	Record daily precipitation	37.4 mm (1.5 in)	26 of 100 (Routine)
Aranyaprathet	Thailand	Record low maximum temperature	24.6 C (76.3 F)	26 of 100 (Routine)
Cimarron	United States	Record low maximum temperature	20.0 C (68.0 F)	26 of 100 (Routine)

Counts by Type and Timescale

735 records

Records set or tied on 6 September 1987 by type: Highest daily maximum 104, Lowest daily maximum 120, Highest daily minimum 104, Lowest daily minimum 46, Heaviest daily rainfall 361.

Records on 6 September 1987 by type
Record type	Records
Highest daily maximum	104
Lowest daily maximum	120
Highest daily minimum	104
Lowest daily minimum	46
Heaviest daily rainfall	361
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 6 September 1987 by timescale: all-time 2, monthly 23, daily 710.

How Much Records Were Beaten By

589 broken records

Margins by which the 589 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 45.5. Ties are not counted.

Top 20 by Significance

6 September 1987

Top 20 records on 6 September 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 September 1987	Milan, IT	daily rain	76.6 mm (3.0 in)	40.6 mm (1.6 in)	103 years	66 of 100 (Major)
6 September 1987	Brakboschpoort, ZA	daily rain	30.5 mm (1.2 in)	28.0 mm (1.1 in)	57 years	63 of 100 (Major)
6 September 1987	Wesselsbron (Mun), ZA	daily rain	40.0 mm (1.6 in)	40.0 mm (1.6 in)	62 years	62 of 100 (Major)
6 September 1987	Tevredenheid, ZA	monthly rain	47.5 mm (1.9 in)	21.6 mm (0.9 in)	42 years	60 of 100 (Major)
6 September 1987	Kafferrivier (Pol), ZA	daily rain	26.5 mm (1.0 in)	26.5 mm (1.0 in)	73 years	59 of 100 (Notable)
6 September 1987	Philipstown (Tnk), ZA	daily rain	31.0 mm (1.2 in)	22.1 mm (0.9 in)	101 years	58 of 100 (Notable)
6 September 1987	Upper Tract, US	daily rain	47.2 mm (1.9 in)	33.2 mm (1.3 in)	69 years	56 of 100 (Notable)
6 September 1987	Bujumbura, BI	daily rain	26.3 mm (1.0 in)	21.1 mm (0.8 in)	33 years	53 of 100 (Notable)
6 September 1987	Dillingham FAA AP, US	daily rain	41.9 mm (1.6 in)	20.8 mm (0.8 in)	53 years	51 of 100 (Notable)
6 September 1987	Broken Hill (Patton Street), AU	daily rain	30.8 mm (1.2 in)	11.0 mm (0.4 in)	94 years	50 of 100 (Notable)
6 September 1987	Preststulen, NO	daily rain	27.5 mm (1.1 in)	21.4 mm (0.8 in)	13 years	47 of 100 (Notable)
6 September 1987	Waialua 847, US	monthly high min	24.4 C (75.9 F)	1.1 C (2.0 F)	75 years	47 of 100 (Notable)
6 September 1987	Petrusville (Pol), ZA	daily rain	31.0 mm (1.2 in)	30.2 mm (1.2 in)	40 years	46 of 100 (Notable)
6 September 1987	Buzuluk, RU	daily rain	32.3 mm (1.3 in)	22.3 mm (0.9 in)	5 years	44 of 100 (Notable)
6 September 1987	Irene, ZA	daily rain	26.5 mm (1.0 in)	21.7 mm (0.9 in)	25 years	42 of 100 (Notable)
6 September 1987	Zevenfontein, ZA	daily rain	25.0 mm (1.0 in)	22.0 mm (0.9 in)	20 years	42 of 100 (Notable)
6 September 1987	Palmaryville, ZA	daily rain	46.0 mm (1.8 in)	39.0 mm (1.5 in)	12 years	42 of 100 (Notable)
6 September 1987	Marlinton, US	daily rain	41.4 mm (1.6 in)	23.6 mm (0.9 in)	38 years	41 of 100 (Notable)
6 September 1987	Poprad/Tatry, SK	daily rain	32.3 mm (1.3 in)	18.5 mm (0.7 in)	26 years	40 of 100 (Notable)
6 September 1987	Honolulu Intl AP, US	all-time high min	26.7 C (80.1 F)	0.4 C (0.7 F)	46 years	40 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

1794 to 1987

Records set or tied on this calendar date in each year from 1794 to 1987. 1987 had 735 records.

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

Records on 09-06 in each year
Year	Records
1794	1
1802	1
1803	1
1812	1
1814	2
1833	1
1834	1
1841	1
1853	1
1854	1
1861	1
1865	2
1866	2
1867	1
1868	1
1869	2
1871	2
1872	2
1873	2
1876	1
1877	1
1880	1
1881	3
1883	2
1884	1
1885	1
1887	2
1888	1
1890	3
1891	1
1892	4
1893	2
1894	4
1895	4
1896	2
1897	4
1898	5
1899	5
1900	5
1901	2
1902	5
1903	5
1904	6
1905	14
1906	8
1907	14
1908	36
1909	13
1910	28
1911	20
1912	55
1913	21
1914	23
1915	14
1916	16
1917	23
1918	62
1919	106
1920	172
1921	67
1922	114
1923	153
1924	335
1925	290
1926	123
1927	137
1928	252
1929	359
1930	101
1931	324
1932	275
1933	368
1934	462
1935	341
1936	338
1937	237
1938	322
1939	447
1940	170
1941	276
1942	284
1943	831
1944	392
1945	537
1946	426
1947	895
1948	379
1949	525
1950	699
1951	263
1952	350
1953	396
1954	567
1955	493
1956	735
1957	311
1958	489
1959	405
1960	382
1961	317
1962	772
1963	419
1964	393
1965	722
1966	296
1967	878
1968	512
1969	737
1970	910
1971	436
1972	567
1973	866
1974	897
1975	426
1976	915
1977	467
1978	1,273
1979	892
1980	458
1981	542
1982	744
1983	1,965
1984	1,354
1985	1,371
1986	751
1987	735
1988	1,547
1989	544
1990	805
1991	757
1992	1,084
1993	856
1994	622
1995	1,220
1996	934
1997	1,389
1998	1,385
1999	1,048
2000	1,500
2001	631
2002	867
2003	718
2004	956
2005	601
2006	1,104
2007	1,246
2008	1,430
2009	735
2010	1,259
2011	1,684
2012	803
2013	886
2014	588
2015	692
2016	605
2017	838
2018	714
2019	797
2020	1,349
2021	407
2022	1,782
2023	905
2024	1,161
2025	894
2026	846

Download the Data

Data for records on 1987-09-06: 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).

Histogram of margins by which records were beaten on 6 September 1987
Margin	Records
0 to 10	495
10 to 20	62
20 to 30	23
30 to 40	5
40 to 50	4