Weather Records on 25 September 1987

560 weather records were set or tied worldwide on 25 September 1987. Highest significance: Zuerich/Fluntern, CH.

Key Facts for 25 September 1987

On 25 September 1987, 560 weather records were set or tied at long-record stations worldwide.
293 were record highs and 98 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 14 monthly and 544 daily.
Zuerich/Fluntern set a daily record precipitation of 75.2 mm (3.0 in) on 25 September 1987.
Across 163 earlier years (1825 to 2026) the same calendar date averaged 425 records.

Record Map

560 stations

560 station records on 25 September 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 September 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Zuerich/Fluntern	Switzerland	Record daily precipitation	75.2 mm (3.0 in)	61 of 100 (Major)
Tallinn	Estonia	Record daily precipitation	73.6 mm (2.9 in)	60 of 100 (Major)
Basel Binningen	Switzerland	Record daily precipitation	49.6 mm (2.0 in)	60 of 100 (Major)
Ariri	Brazil	Record daily precipitation	123.8 mm (4.9 in)	56 of 100 (Notable)
Longzhou	China	Record daily precipitation	79.0 mm (3.1 in)	50 of 100 (Notable)
Harbin	China	Record daily precipitation	53.2 mm (2.1 in)	49 of 100 (Notable)
Changchun	China	Record daily precipitation	47.7 mm (1.9 in)	48 of 100 (Notable)
Rheinfelden	Germany	Record daily precipitation	44.8 mm (1.8 in)	48 of 100 (Notable)
Elandshoek	South Africa	Record daily precipitation	53.2 mm (2.1 in)	46 of 100 (Notable)
Pjarnu	Estonia	Record daily precipitation	31.2 mm (1.2 in)	45 of 100 (Notable)
Konstanz	Germany	Record daily precipitation	56.7 mm (2.2 in)	45 of 100 (Notable)
Sanalona II	Mexico	Record daily precipitation	88.9 mm (3.5 in)	45 of 100 (Notable)
Geluk (Irr)	South Africa	Record daily precipitation	27.5 mm (1.1 in)	45 of 100 (Notable)
Swaziland Ranch-Homest	Swaziland	Record daily precipitation	35.0 mm (1.4 in)	45 of 100 (Notable)
Happy Valley	Australia	Record daily precipitation	81.0 mm (3.2 in)	44 of 100 (Notable)
Sarajevo	Bosnia and Herzegovina	Record high minimum temperature	20.6 C (69.1 F)	44 of 100 (Notable)
Princeville Rch 1117	United States	Record daily precipitation	54.1 mm (2.1 in)	44 of 100 (Notable)
Rietfontein (Skl)	South Africa	Record daily precipitation	130.0 mm (5.1 in)	43 of 100 (Notable)
Nueva Esperanza	Mexico	Record high minimum temperature	26.7 C (80.1 F)	42 of 100 (Notable)
Sebeni (Bos)	South Africa	Record daily precipitation	75.0 mm (3.0 in)	41 of 100 (Notable)
Oorschot	South Africa	Record daily precipitation	33.5 mm (1.3 in)	41 of 100 (Notable)
Cape Otway Lighthouse	Australia	Record high maximum temperature	26.0 C (78.8 F)	39 of 100 (Notable)
Clarks Siding	South Africa	Record daily precipitation	44.8 mm (1.8 in)	39 of 100 (Notable)
Kranskop (Tnk)	South Africa	Record daily precipitation	62.0 mm (2.4 in)	39 of 100 (Notable)
Machadodorp	South Africa	Record daily precipitation	40.0 mm (1.6 in)	39 of 100 (Notable)
Riverside 7 SSW	United States	Record high minimum temperature	13.9 C (57.0 F)	39 of 100 (Notable)
Big Bend(Wissel Rode)	Swaziland	Record daily precipitation	31.0 mm (1.2 in)	39 of 100 (Notable)
Kolka	Latvia	Record daily precipitation	30.3 mm (1.2 in)	38 of 100 (Notable)
Goedemoed	South Africa	Record daily precipitation	38.0 mm (1.5 in)	38 of 100 (Notable)
Oujda	Morocco	Record high minimum temperature	21.9 C (71.4 F)	37 of 100 (Notable)
Kilmashogue,Lowlands	South Africa	Record daily precipitation	38.0 mm (1.5 in)	37 of 100 (Notable)
Leon Virgen del Camino	Spain	Record daily precipitation	30.9 mm (1.2 in)	37 of 100 (Notable)
Lingling	China	Record daily precipitation	49.2 mm (1.9 in)	36 of 100 (Notable)
Corrales	Mexico	Record daily precipitation	87.6 mm (3.4 in)	36 of 100 (Notable)
Siping	China	Record daily precipitation	41.1 mm (1.6 in)	35 of 100 (Notable)
Oujda	Morocco	Record high maximum temperature	39.0 C (102.2 F)	35 of 100 (Notable)
Martinsdale 3 NNW	United States	Record high maximum temperature	28.9 C (84.0 F)	35 of 100 (Notable)
Jiulong	China	Record daily precipitation	54.0 mm (2.1 in)	34 of 100 (Routine)
Donaueschingen	Germany	Record daily precipitation	27.7 mm (1.1 in)	34 of 100 (Routine)
Basel-Mulhouse	France	Record daily precipitation	46.9 mm (1.8 in)	33 of 100 (Routine)
Schopfheim-Eichen	Germany	Record daily precipitation	43.2 mm (1.7 in)	33 of 100 (Routine)
Amsterdam (Pol)	South Africa	Record daily precipitation	27.5 mm (1.1 in)	33 of 100 (Routine)
Mullheim	Germany	Record daily precipitation	33.8 mm (1.3 in)	32 of 100 (Routine)
Moorcroft 3S	United States	Record high maximum temperature	31.7 C (89.1 F)	32 of 100 (Routine)
Guilin	China	Record daily precipitation	32.4 mm (1.3 in)	31 of 100 (Routine)
Albertinia (Pol)	South Africa	Record daily precipitation	30.0 mm (1.2 in)	31 of 100 (Routine)
Broadview	United States	Record high maximum temperature	31.1 C (88.0 F)	31 of 100 (Routine)
Unity	United States	Record high minimum temperature	13.3 C (55.9 F)	31 of 100 (Routine)
Low Head (Comparison)	Australia	Record high minimum temperature	12.0 C (53.6 F)	30 of 100 (Routine)
Badplaas (Pol)	South Africa	Record daily precipitation	29.5 mm (1.2 in)	30 of 100 (Routine)
Mackay Lost Rvr Rs	United States	Record high maximum temperature	28.9 C (84.0 F)	30 of 100 (Routine)
Robe Comparison	Australia	Record high maximum temperature	21.5 C (70.7 F)	29 of 100 (Routine)
Lisboa Geofisica	Portugal	Record high minimum temperature	20.4 C (68.7 F)	29 of 100 (Routine)
Kei Road (Pol)	South Africa	Record daily precipitation	46.0 mm (1.8 in)	29 of 100 (Routine)
Grace	United States	Record high maximum temperature	30.0 C (86.0 F)	29 of 100 (Routine)
Bencuti (Bos)	South Africa	Record daily precipitation	57.5 mm (2.3 in)	28 of 100 (Routine)
Palmiet, Kokstad	South Africa	Record daily precipitation	37.9 mm (1.5 in)	28 of 100 (Routine)
Aberdeen Exp STN	United States	Record high maximum temperature	31.1 C (88.0 F)	28 of 100 (Routine)
Richfield	United States	Record high maximum temperature	32.8 C (91.0 F)	28 of 100 (Routine)
Dinosaur Nm-Quarry Area	United States	Record high maximum temperature	31.1 C (88.0 F)	28 of 100 (Routine)

Counts by Type and Timescale

560 records

Records set or tied on 25 September 1987 by type: Highest daily maximum 167, Lowest daily maximum 41, Highest daily minimum 126, Lowest daily minimum 57, Heaviest daily rainfall 168, Heaviest daily snowfall 1.

Records on 25 September 1987 by type
Record type	Records
Highest daily maximum	167
Lowest daily maximum	41
Highest daily minimum	126
Lowest daily minimum	57
Heaviest daily rainfall	168
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 25 September 1987 by timescale: all-time 2, monthly 14, daily 544.

How Much Records Were Beaten By

438 broken records

Margins by which the 438 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 101.7. Ties are not counted.

Top 20 by Significance

25 September 1987

Top 20 records on 25 September 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 September 1987	Zuerich/Fluntern, CH	daily rain	75.2 mm (3.0 in)	51.2 mm (2.0 in)	44 years	61 of 100 (Major)
25 September 1987	Tallinn, EE	daily rain	73.6 mm (2.9 in)	54.1 mm (2.1 in)	50 years	60 of 100 (Major)
25 September 1987	Basel Binningen, CH	daily rain	49.6 mm (2.0 in)	25.8 mm (1.0 in)	50 years	60 of 100 (Major)
25 September 1987	Ariri, BR	daily rain	123.8 mm (4.9 in)	101.7 mm (4.0 in)	40 years	56 of 100 (Notable)
25 September 1987	Longzhou, CN	daily rain	79.0 mm (3.1 in)	69.3 mm (2.7 in)	25 years	50 of 100 (Notable)
25 September 1987	Harbin, CN	daily rain	53.2 mm (2.1 in)	32.5 mm (1.3 in)	24 years	49 of 100 (Notable)
25 September 1987	Changchun, CN	daily rain	47.7 mm (1.9 in)	34.0 mm (1.3 in)	18 years	48 of 100 (Notable)
25 September 1987	Rheinfelden, DE	daily rain	44.8 mm (1.8 in)	29.4 mm (1.2 in)	29 years	48 of 100 (Notable)
25 September 1987	Elandshoek, ZA	daily rain	53.2 mm (2.1 in)	40.2 mm (1.6 in)	0 years	46 of 100 (Notable)
25 September 1987	Pjarnu, EE	daily rain	31.2 mm (1.2 in)	19.5 mm (0.8 in)	33 years	45 of 100 (Notable)
25 September 1987	Konstanz, DE	daily rain	56.7 mm (2.2 in)	30.4 mm (1.2 in)	12 years	45 of 100 (Notable)
25 September 1987	Sanalona II, MX	daily rain	88.9 mm (3.5 in)	61.0 mm (2.4 in)	32 years	45 of 100 (Notable)
25 September 1987	Geluk (Irr), ZA	daily rain	27.5 mm (1.1 in)	23.0 mm (0.9 in)	29 years	45 of 100 (Notable)
25 September 1987	Swaziland Ranch-Homest, SZ	daily rain	35.0 mm (1.4 in)	27.4 mm (1.1 in)	48 years	45 of 100 (Notable)
25 September 1987	Happy Valley, AU	daily rain	81.0 mm (3.2 in)	67.5 mm (2.7 in)	28 years	44 of 100 (Notable)
25 September 1987	Sarajevo, BA	monthly high min	20.6 C (69.1 F)	0.4 C (0.7 F)	84 years	44 of 100 (Notable)
25 September 1987	Princeville Rch 1117, US	daily rain	54.1 mm (2.1 in)	31.0 mm (1.2 in)	29 years	44 of 100 (Notable)
25 September 1987	Rietfontein (Skl), ZA	all-time rain	130.0 mm (5.1 in)	13.5 mm (0.5 in)	32 years	43 of 100 (Notable)
25 September 1987	Nueva Esperanza, MX	daily high min	26.7 C (80.1 F)	3.4 C (6.1 F)	16 years	42 of 100 (Notable)
25 September 1987	Sebeni (Bos), ZA	daily rain	75.0 mm (3.0 in)	30.0 mm (1.2 in)	32 years	41 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

1825 to 1987

Records set or tied on this calendar date in each year from 1825 to 1987. 1987 had 560 records.

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

Records on 09-25 in each year
Year	Records
1825	1
1834	1
1836	1
1842	1
1843	1
1847	1
1851	1
1852	1
1855	1
1857	2
1859	1
1860	1
1863	1
1865	1
1866	2
1867	2
1868	1
1871	2
1872	1
1874	1
1875	1
1877	3
1879	2
1881	3
1884	3
1885	6
1886	1
1887	3
1889	7
1891	3
1893	7
1894	3
1895	5
1896	5
1897	2
1898	1
1899	2
1900	7
1901	6
1902	11
1903	4
1904	10
1905	16
1906	7
1907	35
1908	20
1909	22
1910	5
1911	9
1912	63
1913	13
1914	15
1915	43
1916	139
1917	138
1918	16
1919	20
1920	75
1921	32
1922	47
1923	68
1924	157
1925	141
1926	740
1927	166
1928	480
1929	158
1930	489
1931	500
1932	260
1933	542
1934	394
1935	258
1936	274
1937	190
1938	335
1939	454
1940	517
1941	269
1942	970
1943	488
1944	246
1945	514
1946	292
1947	666
1948	501
1949	479
1950	1,163
1951	639
1952	515
1953	242
1954	292
1955	546
1956	503
1957	231
1958	454
1959	396
1960	694
1961	530
1962	305
1963	602
1964	403
1965	690
1966	334
1967	428
1968	300
1969	196
1970	783
1971	323
1972	706
1973	650
1974	995
1975	1,166
1976	541
1977	875
1978	462
1979	719
1980	687
1981	669
1982	759
1983	647
1984	1,305
1985	446
1986	1,766
1987	560
1988	571
1989	1,367
1990	875
1991	1,243
1992	1,346
1993	1,015
1994	666
1995	1,013
1996	648
1997	1,278
1998	1,346
1999	804
2000	1,536
2001	1,536
2002	876
2003	758
2004	519
2005	1,484
2006	767
2007	1,284
2008	766
2009	854
2010	1,125
2011	763
2012	505
2013	615
2014	800
2015	868
2016	781
2017	1,253
2018	648
2019	530
2020	1,089
2021	355
2022	301
2023	580
2024	1,120
2025	569
2026	473

Download the Data

Data for records on 1987-09-25: 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	407
20 to 40	23
40 to 60	3
60 to 80	4
80 to 100	0
100 to 120	1