Weather Records on 30 September 2021

823 weather records were set or tied worldwide on 30 September 2021. Highest significance: Madalya, AU.

Key Facts for 30 September 2021

On 30 September 2021, 823 weather records were set or tied at long-record stations worldwide.
278 were record highs and 125 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 30 monthly and 793 daily.
Madalya set a daily record precipitation of 74.6 mm (2.9 in) on 30 September 2021.
Across 161 earlier years (1806 to 2026) the same calendar date averaged 437 records.

Record Map

823 stations

823 station records on 30 September 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 September 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Madalya	Australia	Record daily precipitation	74.6 mm (2.9 in)	80 of 100 (Exceptional)
Tambar Springs Post Office	Australia	Record daily precipitation	47.8 mm (1.9 in)	79 of 100 (Major)
Gothenburg	United States	Record daily precipitation	61.0 mm (2.4 in)	78 of 100 (Major)
Ultima (Post Office)	Australia	Record daily precipitation	50.6 mm (2.0 in)	77 of 100 (Major)
Nyngan (Canonbar)	Australia	Record daily precipitation	64.4 mm (2.5 in)	76 of 100 (Major)
Hordern Vale	Australia	Record daily precipitation	77.0 mm (3.0 in)	71 of 100 (Major)
Murray Bridge Comparison	Australia	Record daily precipitation	33.3 mm (1.3 in)	70 of 100 (Major)
Cathcart (Mount Darragh)	Australia	Record daily precipitation	65.0 mm (2.6 in)	67 of 100 (Major)
Bonshaw (Campbell St)	Australia	Record daily precipitation	44.6 mm (1.8 in)	66 of 100 (Major)
Eugowra Post Office	Australia	Record daily precipitation	49.4 mm (1.9 in)	66 of 100 (Major)
Oakley 4W	United States	Record daily precipitation	56.6 mm (2.2 in)	65 of 100 (Major)
Pallamallawa Post Office	Australia	Record daily precipitation	63.4 mm (2.5 in)	64 of 100 (Major)
Greenethorpe (Iandra)	Australia	Record daily precipitation	43.3 mm (1.7 in)	63 of 100 (Major)
Tailem Bend (River Downs)	Australia	Record daily precipitation	54.2 mm (2.1 in)	62 of 100 (Major)
Veraval	India	Record daily precipitation	113.0 mm (4.4 in)	61 of 100 (Major)
Mc Cook	United States	Record daily precipitation	66.8 mm (2.6 in)	61 of 100 (Major)
Warracknabeal (Earlstan)	Australia	Record daily precipitation	39.6 mm (1.6 in)	60 of 100 (Major)
Coreena	Australia	Record daily precipitation	45.0 mm (1.8 in)	56 of 100 (Notable)
Mogil Mogil (Benimora)	Australia	Record daily precipitation	50.0 mm (2.0 in)	56 of 100 (Notable)
Coonabarabran (Namoi Street)	Australia	Record daily precipitation	48.5 mm (1.9 in)	56 of 100 (Notable)
Cooma (Myalla)	Australia	Record daily precipitation	35.2 mm (1.4 in)	56 of 100 (Notable)
Utica	United States	Record daily precipitation	41.1 mm (1.6 in)	56 of 100 (Notable)
Cambridge	United States	Record daily precipitation	46.5 mm (1.8 in)	56 of 100 (Notable)
Melba (Verbrugghen Street)	Australia	Record daily precipitation	122.2 mm (4.8 in)	55 of 100 (Notable)
Wallace	United States	Record daily precipitation	44.7 mm (1.8 in)	55 of 100 (Notable)
Tenterfield (Federation Park)	Australia	Record daily precipitation	33.6 mm (1.3 in)	54 of 100 (Notable)
Gwabegar Post Office	Australia	Record daily precipitation	51.0 mm (2.0 in)	53 of 100 (Notable)
Croppa Creek (Krui Plains)	Australia	Record daily precipitation	61.2 mm (2.4 in)	53 of 100 (Notable)
Greeley	United States	Record daily precipitation	36.6 mm (1.4 in)	53 of 100 (Notable)
Nyngan (Mudall)	Australia	Record daily precipitation	25.0 mm (1.0 in)	52 of 100 (Notable)
Willow Tree (Yarrabah)	Australia	Record daily precipitation	31.6 mm (1.2 in)	52 of 100 (Notable)
Tailem Bend (Woodlands)	Australia	Record daily precipitation	41.8 mm (1.6 in)	51 of 100 (Notable)
Nevertire (Clyde St)	Australia	Record daily precipitation	25.2 mm (1.0 in)	51 of 100 (Notable)
Bingara (Keera)	Australia	Record daily precipitation	29.8 mm (1.2 in)	51 of 100 (Notable)
Mole River (Trenayr)	Australia	Record daily precipitation	38.6 mm (1.5 in)	51 of 100 (Notable)
East Sale Comparison	Australia	Record daily precipitation	26.4 mm (1.0 in)	51 of 100 (Notable)
Naponee	United States	Record daily precipitation	51.6 mm (2.0 in)	51 of 100 (Notable)
Abilene Rgnl AP	United States	Record daily precipitation	55.4 mm (2.2 in)	51 of 100 (Notable)
Mungindi (Burrenbah)	Australia	Record daily precipitation	45.0 mm (1.8 in)	50 of 100 (Notable)
Pilliga Post Office	Australia	Record daily precipitation	62.0 mm (2.4 in)	50 of 100 (Notable)
Mullaley (Bando)	Australia	Record daily precipitation	42.2 mm (1.7 in)	50 of 100 (Notable)
Tanybryn	Australia	Record daily precipitation	81.4 mm (3.2 in)	50 of 100 (Notable)
De Sabla	United States	Record high minimum temperature	20.6 C (69.1 F)	50 of 100 (Notable)
Collarenebri (Goondoobluie)	Australia	Record daily precipitation	36.0 mm (1.4 in)	49 of 100 (Notable)
Cobar (Taringo Downs)	Australia	Record daily precipitation	31.6 mm (1.2 in)	49 of 100 (Notable)
Rowena Post Office	Australia	Record daily precipitation	72.6 mm (2.9 in)	49 of 100 (Notable)
Kenebri (Cumbil)	Australia	Record daily precipitation	46.0 mm (1.8 in)	49 of 100 (Notable)
Rainbow Post Office	Australia	Record daily precipitation	28.4 mm (1.1 in)	49 of 100 (Notable)
McCracken	United States	Record daily precipitation	27.2 mm (1.1 in)	49 of 100 (Notable)
Atkinson 3SW	United States	Record daily precipitation	42.4 mm (1.7 in)	49 of 100 (Notable)
Elwood 8 S	United States	Record daily precipitation	42.2 mm (1.7 in)	49 of 100 (Notable)
Rocksprings	United States	Record daily precipitation	49.0 mm (1.9 in)	49 of 100 (Notable)
San Marcos	United States	Record daily precipitation	106.9 mm (4.2 in)	49 of 100 (Notable)
Cambrai (Kongolia)	Australia	Record daily precipitation	26.0 mm (1.0 in)	48 of 100 (Notable)
Moree (Mallowa (Narba))	Australia	Record daily precipitation	59.5 mm (2.3 in)	48 of 100 (Notable)
Michelago (Soglio)	Australia	Record daily precipitation	29.4 mm (1.2 in)	48 of 100 (Notable)
Willow Grove	Australia	Record daily precipitation	53.0 mm (2.1 in)	48 of 100 (Notable)
Mulga Downs	Australia	Record daily precipitation	40.5 mm (1.6 in)	47 of 100 (Notable)
Mungindi Post Office	Australia	Record daily precipitation	58.4 mm (2.3 in)	46 of 100 (Notable)
Tenterfield (Mole Station)	Australia	Record daily precipitation	43.6 mm (1.7 in)	46 of 100 (Notable)

Counts by Type and Timescale

823 records

Records set or tied on 30 September 2021 by type: Highest daily maximum 149, Lowest daily maximum 75, Highest daily minimum 129, Lowest daily minimum 50, Heaviest daily rainfall 418, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 30 September 2021 by type
Record type	Records
Highest daily maximum	149
Lowest daily maximum	75
Highest daily minimum	129
Lowest daily minimum	50
Heaviest daily rainfall	418
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 30 September 2021 by timescale: all-time 0, monthly 30, daily 793.

How Much Records Were Beaten By

707 broken records

Margins by which the 707 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

30 September 2021

Top 20 records on 30 September 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 September 2021	Madalya, AU	daily rain	74.6 mm (2.9 in)	47.9 mm (1.9 in)	104 years	80 of 100 (Exceptional)
30 September 2021	Tambar Springs Post Office, AU	daily rain	47.8 mm (1.9 in)	37.6 mm (1.5 in)	100 years	79 of 100 (Major)
30 September 2021	Gothenburg, US	daily rain	61.0 mm (2.4 in)	38.1 mm (1.5 in)	116 years	78 of 100 (Major)
30 September 2021	Ultima (Post Office), AU	daily rain	50.6 mm (2.0 in)	29.3 mm (1.2 in)	92 years	77 of 100 (Major)
30 September 2021	Nyngan (Canonbar), AU	monthly rain	64.4 mm (2.5 in)	23.0 mm (0.9 in)	86 years	76 of 100 (Major)
30 September 2021	Hordern Vale, AU	monthly rain	77.0 mm (3.0 in)	28.0 mm (1.1 in)	51 years	71 of 100 (Major)
30 September 2021	Murray Bridge Comparison, AU	daily rain	33.3 mm (1.3 in)	15.3 mm (0.6 in)	92 years	70 of 100 (Major)
30 September 2021	Cathcart (Mount Darragh), AU	daily rain	65.0 mm (2.6 in)	39.6 mm (1.6 in)	80 years	67 of 100 (Major)
30 September 2021	Bonshaw (Campbell St), AU	daily rain	44.6 mm (1.8 in)	27.8 mm (1.1 in)	94 years	66 of 100 (Major)
30 September 2021	Eugowra Post Office, AU	daily rain	49.4 mm (1.9 in)	21.7 mm (0.9 in)	128 years	66 of 100 (Major)
30 September 2021	Oakley 4W, US	daily rain	56.6 mm (2.2 in)	41.4 mm (1.6 in)	76 years	65 of 100 (Major)
30 September 2021	Pallamallawa Post Office, AU	daily rain	63.4 mm (2.5 in)	36.2 mm (1.4 in)	48 years	64 of 100 (Major)
30 September 2021	Greenethorpe (Iandra), AU	daily rain	43.3 mm (1.7 in)	17.9 mm (0.7 in)	128 years	63 of 100 (Major)
30 September 2021	Tailem Bend (River Downs), AU	monthly rain	54.2 mm (2.1 in)	27.6 mm (1.1 in)	24 years	62 of 100 (Major)
30 September 2021	Veraval, IN	daily rain	113.0 mm (4.4 in)	55.8 mm (2.2 in)	111 years	61 of 100 (Major)
30 September 2021	Mc Cook, US	daily rain	66.8 mm (2.6 in)	53.6 mm (2.1 in)	38 years	61 of 100 (Major)
30 September 2021	Warracknabeal (Earlstan), AU	daily rain	39.6 mm (1.6 in)	19.8 mm (0.8 in)	58 years	60 of 100 (Major)
30 September 2021	Coreena, AU	daily rain	45.0 mm (1.8 in)	22.6 mm (0.9 in)	88 years	56 of 100 (Notable)
30 September 2021	Mogil Mogil (Benimora), AU	daily rain	50.0 mm (2.0 in)	14.9 mm (0.6 in)	115 years	56 of 100 (Notable)
30 September 2021	Coonabarabran (Namoi Street), AU	daily rain	48.5 mm (1.9 in)	31.7 mm (1.2 in)	52 years	56 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

1806 to 2021

Records set or tied on this calendar date in each year from 1806 to 2021. 2021 had 823 records.

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

Records on 09-30 in each year
Year	Records
1806	1
1813	1
1817	1
1819	2
1834	1
1841	1
1842	1
1847	1
1853	1
1854	1
1855	1
1861	1
1862	1
1866	1
1868	2
1869	3
1870	1
1874	1
1877	1
1878	1
1881	5
1883	2
1885	1
1886	3
1887	1
1888	4
1889	1
1892	2
1893	3
1894	8
1895	5
1896	2
1897	3
1898	3
1899	12
1900	4
1901	11
1902	7
1903	9
1904	14
1905	25
1906	14
1907	16
1908	18
1909	10
1910	5
1911	47
1912	47
1913	10
1914	33
1915	84
1916	209
1917	19
1918	45
1919	28
1920	71
1921	61
1922	71
1923	183
1924	243
1925	211
1926	194
1927	486
1928	560
1929	181
1930	110
1931	225
1932	363
1933	437
1934	398
1935	209
1936	432
1937	417
1938	428
1939	371
1940	316
1941	482
1942	405
1943	404
1944	369
1945	889
1946	320
1947	433
1948	267
1949	366
1950	731
1951	597
1952	504
1953	1,136
1954	1,059
1955	406
1956	350
1957	663
1958	442
1959	1,159
1960	161
1961	618
1962	202
1963	818
1964	332
1965	459
1966	592
1967	859
1968	449
1969	465
1970	334
1971	1,359
1972	676
1973	407
1974	742
1975	686
1976	775
1977	870
1978	399
1979	479
1980	832
1981	688
1982	806
1983	1,102
1984	1,267
1985	1,892
1986	1,805
1987	649
1988	453
1989	713
1990	665
1991	949
1992	980
1993	988
1994	816
1995	1,061
1996	1,396
1997	729
1998	1,206
1999	1,144
2000	887
2001	699
2002	677
2003	1,079
2004	573
2005	761
2006	617
2007	841
2008	585
2009	826
2010	1,059
2011	1,258
2012	637
2013	634
2014	529
2015	997
2016	746
2017	404
2018	717
2019	2,192
2020	554
2021	823
2022	563
2023	1,012
2024	948
2025	559
2026	529

Download the Data

Data for records on 2021-09-30: 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	544
10 to 20	99
20 to 30	33
30 to 40	15
40 to 50	7
50 to 60	4
60 to 70	4
70 to 80	1