Weather Records on 24 September 1987

729 weather records were set or tied worldwide on 24 September 1987. Highest significance: Tallinn, EE.

Key Facts for 24 September 1987

On 24 September 1987, 729 weather records were set or tied at long-record stations worldwide.
352 were record highs and 96 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 21 monthly and 708 daily.
Tallinn set a daily record precipitation of 73.6 mm (2.9 in) on 24 September 1987.
Across 166 earlier years (1803 to 2026) the same calendar date averaged 425 records.

Record Map

729 stations

729 station records on 24 September 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 24 September 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tallinn	Estonia	Record daily precipitation	73.6 mm (2.9 in)	68 of 100 (Major)
Parnu	Estonia	Record daily precipitation	31.2 mm (1.2 in)	55 of 100 (Notable)
Pesaro	Italy	Record daily precipitation	46.2 mm (1.8 in)	53 of 100 (Notable)
Barneveld	Netherlands	Record daily precipitation	33.9 mm (1.3 in)	53 of 100 (Notable)
Ruhnu	Latvia	Record daily precipitation	32.6 mm (1.3 in)	52 of 100 (Notable)
Henderson 2 NNW	United States	Record low minimum temperature	-6.1 C (21.0 F)	51 of 100 (Notable)
Welgelegen(Middlemnt	South Africa	Record daily precipitation	33.3 mm (1.3 in)	46 of 100 (Notable)
Vega de Alatorre	Mexico	Record low minimum temperature	12.8 C (55.0 F)	45 of 100 (Notable)
Changde	China	Record daily precipitation	51.0 mm (2.0 in)	44 of 100 (Notable)
Whyanbeel Valley	Australia	Record daily precipitation	42.4 mm (1.7 in)	43 of 100 (Notable)
Noupoort	South Africa	Record daily precipitation	40.0 mm (1.6 in)	43 of 100 (Notable)
Turi	Estonia	Record daily precipitation	27.4 mm (1.1 in)	42 of 100 (Notable)
Wien	Austria	Record high minimum temperature	16.2 C (61.2 F)	41 of 100 (Notable)
Mossman Central Mill	Australia	Record daily precipitation	25.8 mm (1.0 in)	40 of 100 (Notable)
Kanalohuluhulu 1075	United States	Record low maximum temperature	15.0 C (59.0 F)	40 of 100 (Notable)
Sandberg Ptrl Fc130B	United States	Record daily precipitation	57.2 mm (2.3 in)	39 of 100 (Notable)
Perry	United States	Record low minimum temperature	10.6 C (51.1 F)	39 of 100 (Notable)
Virtsu	Estonia	Record daily precipitation	28.8 mm (1.1 in)	38 of 100 (Notable)
Grace	United States	Record high maximum temperature	31.1 C (88.0 F)	37 of 100 (Notable)
Anaconda	United States	Record high maximum temperature	29.4 C (84.9 F)	37 of 100 (Notable)
Bingil Bay	Australia	Record daily precipitation	33.0 mm (1.3 in)	35 of 100 (Notable)
Launceston Airport Comparison	Australia	Record high maximum temperature	22.7 C (72.9 F)	35 of 100 (Notable)
Ogulin	Croatia	Record daily precipitation	86.6 mm (3.4 in)	34 of 100 (Routine)
Kaunas	Lithuania	Record daily precipitation	35.3 mm (1.4 in)	34 of 100 (Routine)
Sotchi	Russia	Record low minimum temperature	8.4 C (47.1 F)	34 of 100 (Routine)
Elk City 1NE	United States	Record high maximum temperature	32.8 C (91.0 F)	34 of 100 (Routine)
Pakri	Estonia	Record daily precipitation	26.9 mm (1.1 in)	33 of 100 (Routine)
Badiraguato (Dge)	Mexico	Record daily precipitation	70.9 mm (2.8 in)	33 of 100 (Routine)
Sao Goncalo	Brazil	Record daily precipitation	26.0 mm (1.0 in)	32 of 100 (Routine)
Fazenda Palmeiras	Brazil	Record daily precipitation	34.5 mm (1.4 in)	32 of 100 (Routine)
Green Rvr	United States	Record high maximum temperature	30.6 C (87.1 F)	32 of 100 (Routine)
Newcastle	United States	Record high maximum temperature	29.4 C (84.9 F)	32 of 100 (Routine)
Cape Tribulation Store	Australia	Record daily precipitation	62.5 mm (2.5 in)	31 of 100 (Routine)
Olimpia	Brazil	Record daily precipitation	30.9 mm (1.2 in)	31 of 100 (Routine)
Kihnu	Estonia	Record daily precipitation	41.2 mm (1.6 in)	31 of 100 (Routine)
Jinzhou	China	Record daily precipitation	38.9 mm (1.5 in)	30 of 100 (Routine)
Zhijiang	China	Record daily precipitation	53.8 mm (2.1 in)	30 of 100 (Routine)
Richfield	United States	Record high maximum temperature	33.9 C (93.0 F)	30 of 100 (Routine)
Tooele	United States	Record high maximum temperature	30.6 C (87.1 F)	30 of 100 (Routine)
Rosalia	United States	Record high maximum temperature	32.2 C (90.0 F)	30 of 100 (Routine)
Cuautla (Smn)	Mexico	Record daily precipitation	47.8 mm (1.9 in)	29 of 100 (Routine)
Tafelberg Hall	South Africa	Record daily precipitation	25.0 mm (1.0 in)	29 of 100 (Routine)
Arco	United States	Record high maximum temperature	31.1 C (88.0 F)	29 of 100 (Routine)
Bliss 4 NW	United States	Record high maximum temperature	35.0 C (95.0 F)	29 of 100 (Routine)
Mackay Lost Rvr Rs	United States	Record high maximum temperature	29.4 C (84.9 F)	29 of 100 (Routine)
Moran 5WNW	United States	Record high maximum temperature	27.8 C (82.0 F)	29 of 100 (Routine)
Jacinto	Brazil	Record daily precipitation	28.6 mm (1.1 in)	28 of 100 (Routine)
Humacao 2 SSE	Puerto Rico [United States]	Record low maximum temperature	24.4 C (75.9 F)	28 of 100 (Routine)
Alta 1 NNW	United States	Record high maximum temperature	28.3 C (82.9 F)	28 of 100 (Routine)
Jackson	United States	Record high maximum temperature	30.0 C (86.0 F)	28 of 100 (Routine)
Parafield Airport	Australia	Record high maximum temperature	32.5 C (90.5 F)	27 of 100 (Routine)
Buritizal	Brazil	Record daily precipitation	42.4 mm (1.7 in)	27 of 100 (Routine)
Jeriquara	Brazil	Record daily precipitation	30.6 mm (1.2 in)	27 of 100 (Routine)
Belgrade (Observatory)	Serbia	Record high maximum temperature	34.0 C (93.2 F)	27 of 100 (Routine)
Arecibo 3 ESE	Puerto Rico [United States]	Record high maximum temperature	35.0 C (95.0 F)	27 of 100 (Routine)
Oatlands Post Office	Australia	Record high maximum temperature	24.6 C (76.3 F)	26 of 100 (Routine)
Helsinki Kaisaniemi AWS	Finland	Record daily precipitation	34.5 mm (1.4 in)	26 of 100 (Routine)
Tangancicuaro	Mexico	Record low minimum temperature	3.9 C (39.0 F)	26 of 100 (Routine)
San Pedro Piedra Gorda -Ciuda	Mexico	Record low minimum temperature	5.6 C (42.1 F)	26 of 100 (Routine)
Gyzylarbat	Turkmenistan	Record low maximum temperature	22.6 C (72.7 F)	26 of 100 (Routine)

Counts by Type and Timescale

729 records

Records set or tied on 24 September 1987 by type: Highest daily maximum 249, Lowest daily maximum 32, Highest daily minimum 103, Lowest daily minimum 64, Heaviest daily rainfall 281.

Records on 24 September 1987 by type
Record type	Records
Highest daily maximum	249
Lowest daily maximum	32
Highest daily minimum	103
Lowest daily minimum	64
Heaviest daily rainfall	281
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 24 September 1987 by timescale: all-time 0, monthly 21, daily 708.

How Much Records Were Beaten By

585 broken records

Margins by which the 585 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 56.4. Ties are not counted.

Top 20 by Significance

24 September 1987

Top 20 records on 24 September 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
24 September 1987	Tallinn, EE	daily rain	73.6 mm (2.9 in)	40.8 mm (1.6 in)	61 years	68 of 100 (Major)
24 September 1987	Parnu, EE	daily rain	31.2 mm (1.2 in)	17.9 mm (0.7 in)	50 years	55 of 100 (Notable)
24 September 1987	Pesaro, IT	daily rain	46.2 mm (1.8 in)	20.2 mm (0.8 in)	102 years	53 of 100 (Notable)
24 September 1987	Barneveld, NL	daily rain	33.9 mm (1.3 in)	24.2 mm (1.0 in)	34 years	53 of 100 (Notable)
24 September 1987	Ruhnu, LV	daily rain	32.6 mm (1.3 in)	13.8 mm (0.5 in)	61 years	52 of 100 (Notable)
24 September 1987	Henderson 2 NNW, US	monthly low min	-6.1 C (21.0 F)	7.2 C (13.0 F)	58 years	51 of 100 (Notable)
24 September 1987	Welgelegen(Middlemnt, ZA	daily rain	33.3 mm (1.3 in)	22.4 mm (0.9 in)	60 years	46 of 100 (Notable)
24 September 1987	Vega de Alatorre, MX	daily low min	12.8 C (55.0 F)	7.2 C (13.0 F)	25 years	45 of 100 (Notable)
24 September 1987	Changde, CN	daily rain	51.0 mm (2.0 in)	44.1 mm (1.7 in)	32 years	44 of 100 (Notable)
24 September 1987	Whyanbeel Valley, AU	daily rain	42.4 mm (1.7 in)	34.8 mm (1.4 in)	42 years	43 of 100 (Notable)
24 September 1987	Noupoort, ZA	daily rain	40.0 mm (1.6 in)	26.0 mm (1.0 in)	10 years	43 of 100 (Notable)
24 September 1987	Turi, EE	daily rain	27.4 mm (1.1 in)	11.8 mm (0.5 in)	50 years	42 of 100 (Notable)
24 September 1987	Wien, AT	daily high min	16.2 C (61.2 F)	0.4 C (0.7 F)	127 years	41 of 100 (Notable)
24 September 1987	Mossman Central Mill, AU	daily rain	25.8 mm (1.0 in)	13.9 mm (0.5 in)	60 years	40 of 100 (Notable)
24 September 1987	Kanalohuluhulu 1075, US	monthly low max	15.0 C (59.0 F)	1.7 C (3.1 F)	50 years	40 of 100 (Notable)
24 September 1987	Sandberg Ptrl Fc130B, US	daily rain	57.2 mm (2.3 in)	56.4 mm (2.2 in)	0 years	39 of 100 (Notable)
24 September 1987	Perry, US	daily low min	10.6 C (51.1 F)	1.1 C (2.0 F)	89 years	39 of 100 (Notable)
24 September 1987	Virtsu, EE	daily rain	28.8 mm (1.1 in)	10.0 mm (0.4 in)	50 years	38 of 100 (Notable)
24 September 1987	Grace, US	daily high max	31.1 C (88.0 F)	2.8 C (5.0 F)	80 years	37 of 100 (Notable)
24 September 1987	Anaconda, US	daily high max	29.4 C (84.9 F)	2.7 C (4.9 F)	84 years	37 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

1803 to 1987

Records set or tied on this calendar date in each year from 1803 to 1987. 1987 had 729 records.

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

Records on 09-24 in each year
Year	Records
1803	1
1835	1
1836	1
1842	1
1847	1
1852	2
1854	2
1857	2
1858	1
1859	1
1860	1
1863	1
1864	1
1865	1
1866	1
1867	2
1868	1
1870	3
1871	1
1872	1
1873	1
1874	2
1875	2
1876	1
1877	3
1878	2
1881	5
1884	1
1885	2
1887	1
1889	5
1890	1
1891	2
1892	5
1893	1
1894	2
1895	7
1896	2
1898	1
1899	4
1900	5
1901	3
1902	10
1903	8
1904	9
1905	7
1906	5
1907	20
1908	23
1909	31
1910	8
1911	11
1912	49
1913	9
1914	23
1915	159
1916	253
1917	87
1918	7
1919	26
1920	69
1921	23
1922	49
1923	70
1924	175
1925	146
1926	630
1927	194
1928	603
1929	137
1930	488
1931	463
1932	354
1933	424
1934	367
1935	449
1936	329
1937	237
1938	355
1939	331
1940	319
1941	319
1942	918
1943	413
1944	334
1945	475
1946	425
1947	704
1948	422
1949	554
1950	778
1951	580
1952	425
1953	346
1954	269
1955	577
1956	427
1957	370
1958	725
1959	414
1960	487
1961	680
1962	360
1963	715
1964	329
1965	624
1966	410
1967	394
1968	433
1969	278
1970	1,046
1971	485
1972	480
1973	1,208
1974	1,204
1975	1,116
1976	556
1977	814
1978	619
1979	577
1980	633
1981	604
1982	702
1983	1,128
1984	1,565
1985	771
1986	1,207
1987	729
1988	740
1989	1,668
1990	969
1991	519
1992	1,250
1993	1,055
1994	842
1995	1,251
1996	676
1997	1,238
1998	945
1999	933
2000	1,966
2001	1,097
2002	885
2003	863
2004	600
2005	1,256
2006	1,306
2007	1,244
2008	633
2009	866
2010	1,340
2011	770
2012	545
2013	514
2014	764
2015	770
2016	732
2017	1,402
2018	497
2019	516
2020	754
2021	457
2022	395
2023	689
2024	778
2025	576
2026	389

Download the Data

Data for records on 1987-09-24: 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 10	531
10 to 20	35
20 to 30	13
30 to 40	1
40 to 50	3
50 to 60	2