Weather Records on 27 September 2009

987 weather records were set or tied worldwide on 27 September 2009. Highest significance: Vladikavkaz, RU.

Key Facts for 27 September 2009

On 27 September 2009, 987 weather records were set or tied at long-record stations worldwide.
589 were record highs and 121 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 25 monthly and 960 daily.
Vladikavkaz set a daily record precipitation of 78.4 mm (3.1 in) on 27 September 2009.
Across 154 earlier years (1799 to 2026) the same calendar date averaged 447 records.

Record Map

987 stations

987 station records on 27 September 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 September 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Vladikavkaz	Russia	Record daily precipitation	78.4 mm (3.1 in)	79 of 100 (Major)
Bridgewater (Treatment Plant)	Australia	Record daily precipitation	29.0 mm (1.1 in)	71 of 100 (Major)
Levendale	Australia	Record daily precipitation	45.0 mm (1.8 in)	71 of 100 (Major)
Eaglehawk Neck (Jetty Road)	Australia	Record daily precipitation	49.0 mm (1.9 in)	69 of 100 (Major)
Middleton Post Office	Australia	Record daily precipitation	43.4 mm (1.7 in)	68 of 100 (Major)
Woodbridge	Australia	Record daily precipitation	64.0 mm (2.5 in)	67 of 100 (Major)
Opossum Bay	Australia	Record daily precipitation	30.4 mm (1.2 in)	66 of 100 (Major)
Apsley (Parki)	Australia	Record daily precipitation	28.2 mm (1.1 in)	65 of 100 (Major)
Dover	Australia	Record daily precipitation	42.0 mm (1.7 in)	64 of 100 (Major)
Lymington (Fattys Lane)	Australia	Record daily precipitation	35.2 mm (1.4 in)	63 of 100 (Major)
Lunawanna	Australia	Record daily precipitation	32.2 mm (1.3 in)	62 of 100 (Major)
Renison Bell	Australia	Record daily precipitation	64.0 mm (2.5 in)	62 of 100 (Major)
Cape Bruny Lighthouse	Australia	Record daily precipitation	33.0 mm (1.3 in)	61 of 100 (Major)
Premaydena Hatchery	Australia	Record daily precipitation	39.4 mm (1.6 in)	61 of 100 (Major)
Colebrook (the Meadows)	Australia	Record daily precipitation	31.2 mm (1.2 in)	60 of 100 (Major)
Margate (Sunnyside)	Australia	Record daily precipitation	46.8 mm (1.8 in)	55 of 100 (Notable)
Cape May 2 NW	United States	Record daily precipitation	53.6 mm (2.1 in)	55 of 100 (Notable)
Killora (Grasmere)	Australia	Record daily precipitation	28.0 mm (1.1 in)	54 of 100 (Notable)
Snug Plains (Cataract Falls)	Australia	Record daily precipitation	76.4 mm (3.0 in)	54 of 100 (Notable)
Hobart Botanical Gardens	Australia	Record daily precipitation	25.0 mm (1.0 in)	51 of 100 (Notable)
Murcia/Alcantarilla	Spain	Record daily precipitation	50.1 mm (2.0 in)	51 of 100 (Notable)
Baxter	United States	Record daily precipitation	64.8 mm (2.6 in)	51 of 100 (Notable)
Tapoco	United States	Record daily precipitation	69.1 mm (2.7 in)	51 of 100 (Notable)
Bjorkasen	Norway	Record daily precipitation	63.0 mm (2.5 in)	50 of 100 (Notable)
Geeveston (Cemetery Road)	Australia	Record daily precipitation	36.4 mm (1.4 in)	49 of 100 (Notable)
Elderslie South (Staples Suga	Australia	Record daily precipitation	33.0 mm (1.3 in)	49 of 100 (Notable)
Bream Creek (Stroud)	Australia	Record daily precipitation	35.0 mm (1.4 in)	48 of 100 (Notable)
Groznyj	Russia	Record daily precipitation	71.4 mm (2.8 in)	47 of 100 (Notable)
Saint Leo	United States	Record high minimum temperature	25.0 C (77.0 F)	47 of 100 (Notable)
Hastings Chalet	Australia	Record daily precipitation	50.0 mm (2.0 in)	46 of 100 (Notable)
Dunalley (Bangor)	Australia	Record daily precipitation	32.4 mm (1.3 in)	46 of 100 (Notable)
Science Garden	Philippines	Record daily precipitation	454.9 mm (17.9 in)	46 of 100 (Notable)
Riverton	United States	Record high minimum temperature	12.8 C (55.0 F)	46 of 100 (Notable)
Erica	Australia	Record daily precipitation	27.0 mm (1.1 in)	45 of 100 (Notable)
Akjoujt	Mauritania	Record daily precipitation	34.0 mm (1.3 in)	45 of 100 (Notable)
Bulken	Norway	Record daily precipitation	48.8 mm (1.9 in)	45 of 100 (Notable)
Crossville Ed & Rsch STN	United States	Record daily precipitation	69.6 mm (2.7 in)	45 of 100 (Notable)
Oatlands Post Office	Australia	Record daily precipitation	30.4 mm (1.2 in)	44 of 100 (Notable)
Fern Tree (Grays Road)	Australia	Record daily precipitation	58.6 mm (2.3 in)	44 of 100 (Notable)
Milledgeville	United States	Record daily precipitation	77.5 mm (3.1 in)	44 of 100 (Notable)
Hobart (Ellerslie Road)	Australia	Record daily precipitation	32.4 mm (1.3 in)	43 of 100 (Notable)
Maristova	Norway	Record daily precipitation	25.3 mm (1.0 in)	43 of 100 (Notable)
Chatsworth 2	United States	Record daily precipitation	87.9 mm (3.5 in)	43 of 100 (Notable)
Cave Run Lake	United States	Record daily precipitation	49.8 mm (2.0 in)	43 of 100 (Notable)
Waverly	United States	Record daily precipitation	45.7 mm (1.8 in)	43 of 100 (Notable)
Gatlinburg 2 SW	United States	Record daily precipitation	60.5 mm (2.4 in)	43 of 100 (Notable)
Copping	Australia	Record daily precipitation	26.0 mm (1.0 in)	42 of 100 (Notable)
Bushy Park (Bushy Park Estates	Australia	Record daily precipitation	26.0 mm (1.0 in)	42 of 100 (Notable)
Kingston	United States	Record daily precipitation	60.7 mm (2.4 in)	42 of 100 (Notable)
Clayton Muni Air Pk	United States	Record high maximum temperature	34.4 C (93.9 F)	42 of 100 (Notable)
Mangalore (Mangalore Farm)	Australia	Record daily precipitation	25.6 mm (1.0 in)	41 of 100 (Notable)
Elberton 2 N	United States	Record low maximum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
Pavillion	United States	Record high maximum temperature	31.7 C (89.1 F)	41 of 100 (Notable)
Potlatch 3 NNE	United States	Record high minimum temperature	11.1 C (52.0 F)	40 of 100 (Notable)
Monterey	United States	Record daily precipitation	52.8 mm (2.1 in)	39 of 100 (Notable)
Bluestone Lake	United States	Record daily precipitation	57.2 mm (2.3 in)	39 of 100 (Notable)
Hobart (Waterworks Reserve)	Australia	Record daily precipitation	41.6 mm (1.6 in)	38 of 100 (Notable)
Belle Mina 2 N	United States	Record daily precipitation	66.5 mm (2.6 in)	38 of 100 (Notable)
Aspendell	United States	Record high maximum temperature	22.8 C (73.0 F)	38 of 100 (Notable)
Fulton	United States	Record daily precipitation	33.8 mm (1.3 in)	38 of 100 (Notable)

Counts by Type and Timescale

987 records

Records set or tied on 27 September 2009 by type: Highest daily maximum 311, Lowest daily maximum 79, Highest daily minimum 278, Lowest daily minimum 42, Heaviest daily rainfall 275, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 27 September 2009 by type
Record type	Records
Highest daily maximum	311
Lowest daily maximum	79
Highest daily minimum	278
Lowest daily minimum	42
Heaviest daily rainfall	275
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 27 September 2009 by timescale: all-time 2, monthly 25, daily 960.

How Much Records Were Beaten By

737 broken records

Margins by which the 737 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.0. Ties are not counted.

Top 20 by Significance

27 September 2009

Top 20 records on 27 September 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 September 2009	Vladikavkaz, RU	daily rain	78.4 mm (3.1 in)	38.3 mm (1.5 in)	122 years	79 of 100 (Major)
27 September 2009	Bridgewater (Treatment Plant), AU	daily rain	29.0 mm (1.1 in)	22.1 mm (0.9 in)	75 years	71 of 100 (Major)
27 September 2009	Levendale, AU	daily rain	45.0 mm (1.8 in)	35.6 mm (1.4 in)	75 years	71 of 100 (Major)
27 September 2009	Eaglehawk Neck (Jetty Road), AU	daily rain	49.0 mm (1.9 in)	34.0 mm (1.3 in)	64 years	69 of 100 (Major)
27 September 2009	Middleton Post Office, AU	daily rain	43.4 mm (1.7 in)	25.6 mm (1.0 in)	75 years	68 of 100 (Major)
27 September 2009	Woodbridge, AU	daily rain	64.0 mm (2.5 in)	45.5 mm (1.8 in)	64 years	67 of 100 (Major)
27 September 2009	Opossum Bay, AU	daily rain	30.4 mm (1.2 in)	19.7 mm (0.8 in)	60 years	66 of 100 (Major)
27 September 2009	Apsley (Parki), AU	daily rain	28.2 mm (1.1 in)	18.5 mm (0.7 in)	75 years	65 of 100 (Major)
27 September 2009	Dover, AU	daily rain	42.0 mm (1.7 in)	25.0 mm (1.0 in)	60 years	64 of 100 (Major)
27 September 2009	Lymington (Fattys Lane), AU	daily rain	35.2 mm (1.4 in)	21.2 mm (0.8 in)	64 years	63 of 100 (Major)
27 September 2009	Lunawanna, AU	daily rain	32.2 mm (1.3 in)	20.8 mm (0.8 in)	64 years	62 of 100 (Major)
27 September 2009	Renison Bell, AU	daily rain	64.0 mm (2.5 in)	29.5 mm (1.2 in)	75 years	62 of 100 (Major)
27 September 2009	Cape Bruny Lighthouse, AU	daily rain	33.0 mm (1.3 in)	21.1 mm (0.8 in)	38 years	61 of 100 (Major)
27 September 2009	Premaydena Hatchery, AU	daily rain	39.4 mm (1.6 in)	17.8 mm (0.7 in)	86 years	61 of 100 (Major)
27 September 2009	Colebrook (the Meadows), AU	daily rain	31.2 mm (1.2 in)	19.0 mm (0.7 in)	60 years	60 of 100 (Major)
27 September 2009	Margate (Sunnyside), AU	daily rain	46.8 mm (1.8 in)	38.2 mm (1.5 in)	38 years	55 of 100 (Notable)
27 September 2009	Cape May 2 NW, US	daily rain	53.6 mm (2.1 in)	24.4 mm (1.0 in)	136 years	55 of 100 (Notable)
27 September 2009	Killora (Grasmere), AU	daily rain	28.0 mm (1.1 in)	15.8 mm (0.6 in)	60 years	54 of 100 (Notable)
27 September 2009	Snug Plains (Cataract Falls), AU	daily rain	76.4 mm (3.0 in)	62.0 mm (2.4 in)	35 years	54 of 100 (Notable)
27 September 2009	Hobart Botanical Gardens, AU	daily rain	25.0 mm (1.0 in)	10.3 mm (0.4 in)	75 years	51 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 2009

Records set or tied on this calendar date in each year from 1799 to 2009. 2009 had 987 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 2009-09-27: 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 10	612
10 to 20	68
20 to 30	33
30 to 40	13
40 to 50	6
50 to 60	1
60 to 70	2
70 to 80	2