Weather Records on 27 September 1987

1,013 weather records were set or tied worldwide on 27 September 1987. Highest significance: Ben Lomond, ZA.

Key Facts for 27 September 1987

On 27 September 1987, 1,013 weather records were set or tied at long-record stations worldwide.
430 were record highs and 152 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 135 monthly and 876 daily.
Ben Lomond set a monthly record daily precipitation of 99.5 mm (3.9 in) on 27 September 1987.
Across 154 earlier years (1799 to 2026) the same calendar date averaged 447 records.

Record Map

1,013 stations

1,013 station records on 27 September 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 September 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ben Lomond	South Africa	Record daily precipitation	99.5 mm (3.9 in)	75 of 100 (Major)
Parys (Mun)	South Africa	Record daily precipitation	90.0 mm (3.5 in)	75 of 100 (Major)
Hawkestone, Howick	South Africa	Record daily precipitation	144.0 mm (5.7 in)	73 of 100 (Major)
Durban-Botanical Gardens	South Africa	Record daily precipitation	110.0 mm (4.3 in)	72 of 100 (Major)
Insikeni (Bos)	South Africa	Record daily precipitation	94.3 mm (3.7 in)	69 of 100 (Major)
Oorsprong-Oos	South Africa	Record daily precipitation	82.0 mm (3.2 in)	68 of 100 (Major)
Reitz 36	South Africa	Record daily precipitation	90.0 mm (3.5 in)	67 of 100 (Major)
Doorndraai	South Africa	Record daily precipitation	85.0 mm (3.3 in)	67 of 100 (Major)
Kloofend	South Africa	Record daily precipitation	85.3 mm (3.4 in)	66 of 100 (Major)
Camperdown	South Africa	Record daily precipitation	152.0 mm (6.0 in)	66 of 100 (Major)
Snowhill	South Africa	Record daily precipitation	88.0 mm (3.5 in)	65 of 100 (Major)
Hex Krantz	South Africa	Record daily precipitation	87.0 mm (3.4 in)	65 of 100 (Major)
Insizwa (Bos)	South Africa	Record daily precipitation	125.2 mm (4.9 in)	63 of 100 (Major)
Gingindlovu	South Africa	Record daily precipitation	214.5 mm (8.4 in)	61 of 100 (Major)
Zagreb-Gric	Croatia	Record daily precipitation	81.6 mm (3.2 in)	60 of 100 (Major)
Oliphantspoort	South Africa	Record daily precipitation	74.1 mm (2.9 in)	60 of 100 (Major)
Notinsila (Bos)	South Africa	Record daily precipitation	104.0 mm (4.1 in)	59 of 100 (Notable)
Richmond-Natal (Tnk)	South Africa	Record daily precipitation	135.0 mm (5.3 in)	59 of 100 (Notable)
Eston	South Africa	Record daily precipitation	79.5 mm (3.1 in)	59 of 100 (Notable)
Tweespruit	South Africa	Record daily precipitation	45.0 mm (1.8 in)	59 of 100 (Notable)
Rietfontein	South Africa	Record daily precipitation	79.5 mm (3.1 in)	59 of 100 (Notable)
Emgcewe (Bos)	South Africa	Record daily precipitation	95.0 mm (3.7 in)	58 of 100 (Notable)
Amatikulu	South Africa	Record daily precipitation	193.5 mm (7.6 in)	58 of 100 (Notable)
Mtunzini	South Africa	Record daily precipitation	132.0 mm (5.2 in)	58 of 100 (Notable)
Mvenyane (Bos)	South Africa	Record daily precipitation	108.8 mm (4.3 in)	57 of 100 (Notable)
Amatikulu(Mill)	South Africa	Record daily precipitation	208.0 mm (8.2 in)	57 of 100 (Notable)
Ventersburg (Mag)	South Africa	Record daily precipitation	39.5 mm (1.6 in)	57 of 100 (Notable)
Elandshoek, Boston	South Africa	Record daily precipitation	108.5 mm (4.3 in)	56 of 100 (Notable)
Kilmashogue,Lowlands	South Africa	Record daily precipitation	124.9 mm (4.9 in)	56 of 100 (Notable)
Mkambati	South Africa	Record daily precipitation	180.0 mm (7.1 in)	55 of 100 (Notable)
Bulwer (Tnk)	South Africa	Record daily precipitation	92.5 mm (3.6 in)	55 of 100 (Notable)
Little Harmony, Rich	South Africa	Record daily precipitation	97.3 mm (3.8 in)	55 of 100 (Notable)
Doornkop	South Africa	Record daily precipitation	211.0 mm (8.3 in)	55 of 100 (Notable)
Fairview	South Africa	Record daily precipitation	125.0 mm (4.9 in)	55 of 100 (Notable)
Weltevrede	South Africa	Record daily precipitation	50.0 mm (2.0 in)	55 of 100 (Notable)
Brynawe, Paddock	South Africa	Record daily precipitation	195.7 mm (7.7 in)	54 of 100 (Notable)
The Valleys	South Africa	Record daily precipitation	103.0 mm (4.1 in)	54 of 100 (Notable)
The Grange, Umzimkul	South Africa	Record daily precipitation	64.5 mm (2.5 in)	54 of 100 (Notable)
De Jong Ranch, Howic	South Africa	Record daily precipitation	93.7 mm (3.7 in)	54 of 100 (Notable)
Van Reenen	South Africa	Record daily precipitation	104.0 mm (4.1 in)	54 of 100 (Notable)
Verwoedburg-Mu"Lytteltn"	South Africa	Record daily precipitation	54.0 mm (2.1 in)	54 of 100 (Notable)
Drohobych	Ukraine	Record daily precipitation	40.7 mm (1.6 in)	54 of 100 (Notable)
Dontsa	South Africa	Record daily precipitation	77.5 mm (3.1 in)	53 of 100 (Notable)
Bushy Vales, Margate	South Africa	Record daily precipitation	96.3 mm (3.8 in)	53 of 100 (Notable)
Baynesfield Estate	South Africa	Record daily precipitation	106.5 mm (4.2 in)	53 of 100 (Notable)
Barrage (Rwb)	South Africa	Record daily precipitation	68.0 mm (2.7 in)	53 of 100 (Notable)
Jefferson 3SE	United States	Record daily precipitation	133.4 mm (5.3 in)	53 of 100 (Notable)
Botanic Gardens - Pmb	South Africa	Record daily precipitation	51.4 mm (2.0 in)	52 of 100 (Notable)
Bologna	Italy	Record high minimum temperature	24.2 C (75.6 F)	51 of 100 (Notable)
Umlaas Waterworks	South Africa	Record daily precipitation	158.5 mm (6.2 in)	51 of 100 (Notable)
Klipspruit (Pur)	South Africa	Record daily precipitation	60.0 mm (2.4 in)	51 of 100 (Notable)
Mamagalieskraal Suid(Irr)	South Africa	Record daily precipitation	65.2 mm (2.6 in)	51 of 100 (Notable)
Cyferfontein	South Africa	Record daily precipitation	50.1 mm (2.0 in)	50 of 100 (Notable)
Kangela, Mtubatuba	South Africa	Record daily precipitation	102.5 mm (4.0 in)	50 of 100 (Notable)
Edenville (Mun)	South Africa	Record daily precipitation	77.0 mm (3.0 in)	50 of 100 (Notable)
Oktjabrskaja	Russia	Record daily precipitation	45.6 mm (1.8 in)	49 of 100 (Notable)
Kalkoenkrans (Pol)	South Africa	Record daily precipitation	53.5 mm (2.1 in)	49 of 100 (Notable)
Flitwick Grange	South Africa	Record daily precipitation	57.0 mm (2.2 in)	49 of 100 (Notable)
Sawoti	South Africa	Record daily precipitation	145.3 mm (5.7 in)	49 of 100 (Notable)
Inchanga (Sar)	South Africa	Record daily precipitation	84.4 mm (3.3 in)	49 of 100 (Notable)

Counts by Type and Timescale

1,013 records

Records set or tied on 27 September 1987 by type: Highest daily maximum 199, Lowest daily maximum 72, Highest daily minimum 231, Lowest daily minimum 80, Heaviest daily rainfall 427, Deepest snow cover 4.

Records on 27 September 1987 by type
Record type	Records
Highest daily maximum	199
Lowest daily maximum	72
Highest daily minimum	231
Lowest daily minimum	80
Heaviest daily rainfall	427
Heaviest daily snowfall	0
Deepest snow cover	4

Records on 27 September 1987 by timescale: all-time 2, monthly 135, daily 876.

How Much Records Were Beaten By

852 broken records

Margins by which the 852 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 170.7. Ties are not counted.

Top 20 by Significance

27 September 1987

Top 20 records on 27 September 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 September 1987	Ben Lomond, ZA	monthly rain	99.5 mm (3.9 in)	57.1 mm (2.2 in)	61 years	75 of 100 (Major)
27 September 1987	Parys (Mun), ZA	monthly rain	90.0 mm (3.5 in)	52.4 mm (2.1 in)	58 years	75 of 100 (Major)
27 September 1987	Hawkestone, Howick, ZA	monthly rain	144.0 mm (5.7 in)	72.4 mm (2.9 in)	58 years	73 of 100 (Major)
27 September 1987	Durban-Botanical Gardens, ZA	daily rain	110.0 mm (4.3 in)	44.7 mm (1.8 in)	90 years	72 of 100 (Major)
27 September 1987	Insikeni (Bos), ZA	daily rain	94.3 mm (3.7 in)	74.2 mm (2.9 in)	72 years	69 of 100 (Major)
27 September 1987	Oorsprong-Oos, ZA	monthly rain	82.0 mm (3.2 in)	34.2 mm (1.3 in)	43 years	68 of 100 (Major)
27 September 1987	Reitz 36, ZA	monthly rain	90.0 mm (3.5 in)	41.5 mm (1.6 in)	30 years	67 of 100 (Major)
27 September 1987	Doorndraai, ZA	monthly rain	85.0 mm (3.3 in)	39.3 mm (1.5 in)	38 years	67 of 100 (Major)
27 September 1987	Kloofend, ZA	daily rain	85.3 mm (3.4 in)	66.5 mm (2.6 in)	62 years	66 of 100 (Major)
27 September 1987	Camperdown, ZA	monthly rain	152.0 mm (6.0 in)	97.0 mm (3.8 in)	30 years	66 of 100 (Major)
27 September 1987	Snowhill, ZA	monthly rain	88.0 mm (3.5 in)	25.0 mm (1.0 in)	61 years	65 of 100 (Major)
27 September 1987	Hex Krantz, ZA	monthly rain	87.0 mm (3.4 in)	34.2 mm (1.3 in)	43 years	65 of 100 (Major)
27 September 1987	Insizwa (Bos), ZA	monthly rain	125.2 mm (4.9 in)	61.2 mm (2.4 in)	21 years	63 of 100 (Major)
27 September 1987	Gingindlovu, ZA	monthly rain	214.5 mm (8.4 in)	62.5 mm (2.5 in)	13 years	61 of 100 (Major)
27 September 1987	Zagreb-Gric, HR	monthly rain	81.6 mm (3.2 in)	10.2 mm (0.4 in)	123 years	60 of 100 (Major)
27 September 1987	Oliphantspoort, ZA	monthly rain	74.1 mm (2.9 in)	25.3 mm (1.0 in)	43 years	60 of 100 (Major)
27 September 1987	Notinsila (Bos), ZA	daily rain	104.0 mm (4.1 in)	89.8 mm (3.5 in)	44 years	59 of 100 (Notable)
27 September 1987	Richmond-Natal (Tnk), ZA	monthly rain	135.0 mm (5.3 in)	55.0 mm (2.2 in)	7 years	59 of 100 (Notable)
27 September 1987	Eston, ZA	monthly rain	79.5 mm (3.1 in)	26.5 mm (1.0 in)	30 years	59 of 100 (Notable)
27 September 1987	Tweespruit, ZA	daily rain	45.0 mm (1.8 in)	32.0 mm (1.3 in)	68 years	59 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

1799 to 1987

Records set or tied on this calendar date in each year from 1799 to 1987. 1987 had 1,013 records.

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

Records on 09-27 in each year
Year	Records
1799	1
1828	1
1836	2
1847	1
1851	1
1854	2
1855	2
1859	2
1866	2
1867	3
1874	1
1875	1
1877	2
1880	1
1881	4
1882	1
1885	5
1887	1
1890	3
1891	1
1892	1
1893	1
1894	5
1895	6
1896	1
1897	2
1898	4
1899	1
1900	5
1901	3
1902	12
1903	7
1904	12
1905	21
1906	21
1907	9
1908	36
1909	17
1910	20
1911	31
1912	25
1913	27
1914	24
1915	80
1916	57
1917	41
1918	58
1919	45
1920	54
1921	26
1922	111
1923	125
1924	115
1925	129
1926	581
1927	244
1928	288
1929	225
1930	178
1931	222
1932	194
1933	559
1934	298
1935	319
1936	435
1937	309
1938	366
1939	572
1940	706
1941	257
1942	1,353
1943	503
1944	323
1945	475
1946	387
1947	813
1948	405
1949	407
1950	223
1951	480
1952	539
1953	567
1954	507
1955	386
1956	825
1957	644
1958	585
1959	582
1960	337
1961	376
1962	352
1963	849
1964	724
1965	688
1966	426
1967	502
1968	286
1969	233
1970	773
1971	762
1972	989
1973	1,031
1974	408
1975	790
1976	905
1977	852
1978	773
1979	741
1980	559
1981	680
1982	1,076
1983	791
1984	1,297
1985	661
1986	1,772
1987	1,013
1988	494
1989	852
1990	379
1991	894
1992	659
1993	727
1994	764
1995	698
1996	1,468
1997	730
1998	1,774
1999	1,059
2000	1,031
2001	980
2002	992
2003	830
2004	665
2005	1,061
2006	596
2007	1,091
2008	659
2009	987
2010	1,153
2011	965
2012	624
2013	823
2014	813
2015	664
2016	600
2017	891
2018	600
2019	755
2020	659
2021	893
2022	642
2023	747
2024	1,449
2025	272
2026	358

Download the Data

Data for records on 1987-09-27: 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 25	765
25 to 50	54
50 to 75	18
75 to 100	9
100 to 125	4
125 to 150	1
150 to 175	1