Weather Records on 30 September 1993

988 weather records were set or tied worldwide on 30 September 1993. Highest significance: Rocco, ZA.

Key Facts for 30 September 1993

On 30 September 1993, 988 weather records were set or tied at long-record stations worldwide.
206 were record highs and 587 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 116 monthly and 870 daily.
Rocco set a monthly record daily precipitation of 87.1 mm (3.4 in) on 30 September 1993.
Across 161 earlier years (1806 to 2026) the same calendar date averaged 436 records.

Record Map

988 stations

988 station records on 30 September 1993 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 September 1993: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rocco	South Africa	Record daily precipitation	87.1 mm (3.4 in)	65 of 100 (Major)
Greylingstad (Sar)	South Africa	Record daily precipitation	65.8 mm (2.6 in)	62 of 100 (Major)
Premier Mine-Cullinan	South Africa	Record daily precipitation	64.5 mm (2.5 in)	61 of 100 (Major)
Jhb-Braamfontein (Cem)	South Africa	Record daily precipitation	45.0 mm (1.8 in)	60 of 100 (Major)
Delmas (Pol)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	58 of 100 (Notable)
Pretoria-New Cemetry	South Africa	Record daily precipitation	35.0 mm (1.4 in)	57 of 100 (Notable)
Paso Real de Guerrero	Mexico	Record low minimum temperature	0.0 C (32.0 F)	56 of 100 (Notable)
Roodepoort (Mun)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	56 of 100 (Notable)
Ituporanga (Pcd)	Brazil	Record daily precipitation	88.5 mm (3.5 in)	53 of 100 (Notable)
Rennes-St Jacques	France	Record daily precipitation	32.6 mm (1.3 in)	52 of 100 (Notable)
Tixmehuac	Mexico	Record low minimum temperature	15.0 C (59.0 F)	52 of 100 (Notable)
McGrath AP	United States	Record daily precipitation	25.4 mm (1.0 in)	50 of 100 (Notable)
Hlobane	South Africa	Record daily precipitation	60.0 mm (2.4 in)	49 of 100 (Notable)
Appleton	United States	Record low minimum temperature	-3.9 C (25.0 F)	49 of 100 (Notable)
Rosherville (Pow)	South Africa	Record daily precipitation	34.7 mm (1.4 in)	48 of 100 (Notable)
Willaura (Yarram Park)	Australia	Record daily precipitation	25.0 mm (1.0 in)	45 of 100 (Notable)
Grootvlei (Pol)	South Africa	Record daily precipitation	49.0 mm (1.9 in)	44 of 100 (Notable)
Forsyth 6 NNW	United States	Record low minimum temperature	4.4 C (39.9 F)	42 of 100 (Notable)
Lewisburg 3 N	United States	Record low maximum temperature	10.0 C (50.0 F)	42 of 100 (Notable)
Marquette	United States	Record low minimum temperature	-1.1 C (30.0 F)	42 of 100 (Notable)
Appila	Australia	Record daily precipitation	26.2 mm (1.0 in)	41 of 100 (Notable)
Usina Parauna	Brazil	Record daily precipitation	41.8 mm (1.6 in)	41 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record low maximum temperature	28.9 C (84.0 F)	40 of 100 (Notable)
Armagh	United Kingdom	Record low maximum temperature	9.5 C (49.1 F)	40 of 100 (Notable)
Greencastle 1 W	United States	Record low maximum temperature	10.6 C (51.1 F)	40 of 100 (Notable)
Waterville	United States	Record high minimum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Oconto 4 W	United States	Record low maximum temperature	8.9 C (48.0 F)	40 of 100 (Notable)
Kuranda Railway Station	Australia	Record daily precipitation	32.5 mm (1.3 in)	39 of 100 (Notable)
Ft Pierce	United States	Record low minimum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
W Lafayette 6 NW	United States	Record low minimum temperature	-1.7 C (28.9 F)	39 of 100 (Notable)
Altotonga	Mexico	Record daily precipitation	114.8 mm (4.5 in)	37 of 100 (Notable)
Rietbult	South Africa	Record daily precipitation	39.0 mm (1.5 in)	36 of 100 (Notable)
Charlotte	United States	Record low maximum temperature	8.3 C (46.9 F)	36 of 100 (Notable)
Petoskey	United States	Record low minimum temperature	-2.2 C (28.0 F)	36 of 100 (Notable)
Warren 3 S	United States	Record low minimum temperature	-1.7 C (28.9 F)	36 of 100 (Notable)
Arlington	United States	Record high minimum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
San Ildelfonso Villa Alta	Mexico	Record low maximum temperature	15.0 C (59.0 F)	35 of 100 (Notable)
Buzau	Romania	Record low maximum temperature	12.0 C (53.6 F)	35 of 100 (Notable)
Germiston-Fj Payne Park	South Africa	Record daily precipitation	46.0 mm (1.8 in)	35 of 100 (Notable)
Karlstad	Sweden	Record low minimum temperature	-2.6 C (27.3 F)	35 of 100 (Notable)
Williamstown	United States	Record low minimum temperature	0.0 C (32.0 F)	35 of 100 (Notable)
Kewaunee	United States	Record low maximum temperature	7.8 C (46.0 F)	35 of 100 (Notable)
Parnu	Estonia	Record low minimum temperature	-3.5 C (25.7 F)	34 of 100 (Routine)
Beaver Is	United States	Record low minimum temperature	-1.1 C (30.0 F)	34 of 100 (Routine)
Tallinn	Estonia	Record low minimum temperature	-4.1 C (24.6 F)	33 of 100 (Routine)
Mulege	Mexico	Record high maximum temperature	39.4 C (102.9 F)	33 of 100 (Routine)
Bolonchen	Mexico	Record low minimum temperature	17.8 C (64.0 F)	33 of 100 (Routine)
Tenosique (Smn)	Mexico	Record high maximum temperature	38.3 C (100.9 F)	33 of 100 (Routine)
Lugansk	Ukraine	Record low maximum temperature	5.0 C (41.0 F)	33 of 100 (Routine)
Bergland Dam	United States	Record low maximum temperature	5.0 C (41.0 F)	33 of 100 (Routine)
Gull Lake Dam	United States	Record low maximum temperature	8.3 C (46.9 F)	33 of 100 (Routine)
Sandy Lake Dam Libby	United States	Record low maximum temperature	3.9 C (39.0 F)	33 of 100 (Routine)
Aguas Do Vere (Pcd)	Brazil	Record daily precipitation	117.7 mm (4.6 in)	32 of 100 (Routine)
Takayama	Japan	Record daily precipitation	77.0 mm (3.0 in)	32 of 100 (Routine)
Tangier City	Morocco	Record low maximum temperature	19.6 C (67.3 F)	32 of 100 (Routine)
Rjazan	Russia	Record low maximum temperature	1.9 C (35.4 F)	32 of 100 (Routine)
Bend	United States	Record high maximum temperature	31.7 C (89.1 F)	32 of 100 (Routine)
Hood Rvr Exp STN	United States	Record high maximum temperature	32.2 C (90.0 F)	32 of 100 (Routine)
Cle Elum	United States	Record high minimum temperature	16.1 C (61.0 F)	32 of 100 (Routine)
Crivitz High Falls	United States	Record low maximum temperature	2.2 C (36.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

988 records

Records set or tied on 30 September 1993 by type: Highest daily maximum 116, Lowest daily maximum 341, Highest daily minimum 90, Lowest daily minimum 246, Heaviest daily rainfall 192, Heaviest daily snowfall 2, Deepest snow cover 1.

Records on 30 September 1993 by type
Record type	Records
Highest daily maximum	116
Lowest daily maximum	341
Highest daily minimum	90
Lowest daily minimum	246
Heaviest daily rainfall	192
Heaviest daily snowfall	2
Deepest snow cover	1

Records on 30 September 1993 by timescale: all-time 2, monthly 116, daily 870.

How Much Records Were Beaten By

734 broken records

Margins by which the 734 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 69.3. Ties are not counted.

Top 20 by Significance

30 September 1993

Top 20 records on 30 September 1993 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 September 1993	Rocco, ZA	monthly rain	87.1 mm (3.4 in)	37.9 mm (1.5 in)	36 years	65 of 100 (Major)
30 September 1993	Greylingstad (Sar), ZA	daily rain	65.8 mm (2.6 in)	50.3 mm (2.0 in)	52 years	62 of 100 (Major)
30 September 1993	Premier Mine-Cullinan, ZA	monthly rain	64.5 mm (2.5 in)	19.5 mm (0.8 in)	68 years	61 of 100 (Major)
30 September 1993	Jhb-Braamfontein (Cem), ZA	daily rain	45.0 mm (1.8 in)	28.0 mm (1.1 in)	83 years	60 of 100 (Major)
30 September 1993	Delmas (Pol), ZA	daily rain	40.0 mm (1.6 in)	31.6 mm (1.2 in)	64 years	58 of 100 (Notable)
30 September 1993	Pretoria-New Cemetry, ZA	daily rain	35.0 mm (1.4 in)	24.8 mm (1.0 in)	71 years	57 of 100 (Notable)
30 September 1993	Paso Real de Guerrero, MX	monthly low min	0.0 C (32.0 F)	7.8 C (14.0 F)	18 years	56 of 100 (Notable)
30 September 1993	Roodepoort (Mun), ZA	daily rain	40.0 mm (1.6 in)	28.1 mm (1.1 in)	64 years	56 of 100 (Notable)
30 September 1993	Ituporanga (Pcd), BR	daily rain	88.5 mm (3.5 in)	69.3 mm (2.7 in)	28 years	53 of 100 (Notable)
30 September 1993	Rennes-St Jacques, FR	daily rain	32.6 mm (1.3 in)	19.5 mm (0.8 in)	40 years	52 of 100 (Notable)
30 September 1993	Tixmehuac, MX	daily low min	15.0 C (59.0 F)	5.0 C (9.0 F)	30 years	52 of 100 (Notable)
30 September 1993	McGrath AP, US	daily rain	25.4 mm (1.0 in)	16.3 mm (0.6 in)	52 years	50 of 100 (Notable)
30 September 1993	Hlobane, ZA	daily rain	60.0 mm (2.4 in)	35.0 mm (1.4 in)	36 years	49 of 100 (Notable)
30 September 1993	Appleton, US	monthly low min	-3.9 C (25.0 F)	1.1 C (2.0 F)	90 years	49 of 100 (Notable)
30 September 1993	Rosherville (Pow), ZA	daily rain	34.7 mm (1.4 in)	19.2 mm (0.8 in)	64 years	48 of 100 (Notable)
30 September 1993	Willaura (Yarram Park), AU	daily rain	25.0 mm (1.0 in)	9.8 mm (0.39 in)	64 years	45 of 100 (Notable)
30 September 1993	Grootvlei (Pol), ZA	daily rain	49.0 mm (1.9 in)	28.7 mm (1.1 in)	24 years	44 of 100 (Notable)
30 September 1993	Forsyth 6 NNW, US	daily low min	4.4 C (39.9 F)	2.8 C (5.0 F)	84 years	42 of 100 (Notable)
30 September 1993	Lewisburg 3 N, US	monthly low max	10.0 C (50.0 F)	0.6 C (1.1 F)	75 years	42 of 100 (Notable)
30 September 1993	Marquette, US	daily low min	-1.1 C (30.0 F)	1.1 C (2.0 F)	131 years	42 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 1993

Records set or tied on this calendar date in each year from 1806 to 1993. 1993 had 988 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 1993-09-30: 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	675
10 to 20	34
20 to 30	15
30 to 40	5
40 to 50	1
50 to 60	2
60 to 70	2