Weather Records on 20 September 1934

349 weather records were set or tied worldwide on 20 September 1934. Highest significance: Ekaterinburg, RU.

Key Facts for 20 September 1934

On 20 September 1934, 349 weather records were set or tied at long-record stations worldwide.
59 were record highs and 86 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 15 monthly and 334 daily.
Ekaterinburg set a daily record precipitation of 29.0 mm (1.1 in) on 20 September 1934.
Across 156 earlier years (1812 to 2026) the same calendar date averaged 443 records.

Record Map

349 stations

349 station records on 20 September 1934 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 September 1934: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ekaterinburg	Russia	Record daily precipitation	29.0 mm (1.1 in)	59 of 100 (Notable)
Algiers-Ville/Universite	Algeria	Record daily precipitation	58.7 mm (2.3 in)	55 of 100 (Notable)
Terang	Australia	Record daily precipitation	53.3 mm (2.1 in)	51 of 100 (Notable)
Port Fairy (Griffiths Island)	Australia	Record daily precipitation	46.5 mm (1.8 in)	49 of 100 (Notable)
Warrnambool Shire Office	Australia	Record daily precipitation	51.3 mm (2.0 in)	46 of 100 (Notable)
Colac (Shire Office)	Australia	Record daily precipitation	34.0 mm (1.3 in)	46 of 100 (Notable)
Camperdown (Post Office)	Australia	Record daily precipitation	40.6 mm (1.6 in)	44 of 100 (Notable)
Mortlake	Australia	Record daily precipitation	35.8 mm (1.4 in)	42 of 100 (Notable)
Kolora (Wooriwyrite)	Australia	Record daily precipitation	33.5 mm (1.3 in)	42 of 100 (Notable)
Cuttack	India	Record daily precipitation	96.3 mm (3.8 in)	42 of 100 (Notable)
Cuttack	India	Record daily precipitation	91.9 mm (3.6 in)	42 of 100 (Notable)
Port Fairy Post Office	Australia	Record daily precipitation	48.0 mm (1.9 in)	41 of 100 (Notable)
Tomahawk Creek (Irrewillipe Ea	Australia	Record daily precipitation	35.3 mm (1.4 in)	41 of 100 (Notable)
Cobden (Post Office)	Australia	Record daily precipitation	45.0 mm (1.8 in)	40 of 100 (Notable)
Colac Botanical Gardens	Australia	Record daily precipitation	30.7 mm (1.2 in)	39 of 100 (Notable)
Woolsthorpe	Australia	Record daily precipitation	45.2 mm (1.8 in)	39 of 100 (Notable)
Narsingpur	India	Record daily precipitation	127.0 mm (5.0 in)	38 of 100 (Notable)
Mount McIntyre	Australia	Record daily precipitation	40.6 mm (1.6 in)	37 of 100 (Notable)
Dartmoor	Australia	Record daily precipitation	51.3 mm (2.0 in)	37 of 100 (Notable)
Chaibasa	India	Record daily precipitation	73.7 mm (2.9 in)	37 of 100 (Notable)
Dharingbadi	India	Record daily precipitation	80.0 mm (3.1 in)	37 of 100 (Notable)
Banpur	India	Record daily precipitation	94.0 mm (3.7 in)	37 of 100 (Notable)
Princetown (Rivernook)	Australia	Record daily precipitation	43.9 mm (1.7 in)	36 of 100 (Notable)
Gellibrand River East (Lovat)	Australia	Record daily precipitation	44.5 mm (1.8 in)	35 of 100 (Notable)
Tirrengower	Australia	Record daily precipitation	45.7 mm (1.8 in)	35 of 100 (Notable)
Hutchinson River	United States	Record daily precipitation	45.2 mm (1.8 in)	35 of 100 (Notable)
Merino (Glenorchy Estate)	Australia	Record daily precipitation	41.1 mm (1.6 in)	34 of 100 (Routine)
Gop	India	Record daily precipitation	196.3 mm (7.7 in)	34 of 100 (Routine)
Penshurst (Post Office)	Australia	Record daily precipitation	41.9 mm (1.6 in)	33 of 100 (Routine)
Puri	India	Record daily precipitation	210.8 mm (8.3 in)	33 of 100 (Routine)
Harnosand	Sweden	Record high minimum temperature	14.0 C (57.2 F)	33 of 100 (Routine)
Butte Bert Mooney AP	United States	Record low minimum temperature	-9.4 C (15.1 F)	32 of 100 (Routine)
Allansford	Australia	Record daily precipitation	41.1 mm (1.6 in)	31 of 100 (Routine)
Lorne Post Office	Australia	Record daily precipitation	36.6 mm (1.4 in)	31 of 100 (Routine)
Jagnathpur	India	Record daily precipitation	76.5 mm (3.0 in)	31 of 100 (Routine)
Stockholm	Sweden	Record high minimum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
Balliguda	India	Record daily precipitation	127.5 mm (5.0 in)	30 of 100 (Routine)
Heywood Post Office	Australia	Record daily precipitation	43.7 mm (1.7 in)	29 of 100 (Routine)
Mokakchung	India	Record daily precipitation	74.2 mm (2.9 in)	29 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record high minimum temperature	15.1 C (59.2 F)	29 of 100 (Routine)
Constantine	Algeria	Record low maximum temperature	19.0 C (66.2 F)	28 of 100 (Routine)
Mount Gambier Post Office	Australia	Record daily precipitation	26.9 mm (1.1 in)	28 of 100 (Routine)
Narre Warren North (Narre Warr	Australia	Record daily precipitation	25.4 mm (1.0 in)	28 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record daily precipitation	48.3 mm (1.9 in)	28 of 100 (Routine)
Port Campbell Post Office	Australia	Record daily precipitation	42.4 mm (1.7 in)	28 of 100 (Routine)
Princetown	Australia	Record daily precipitation	41.9 mm (1.6 in)	28 of 100 (Routine)
Sandvig	Denmark	Record high minimum temperature	16.1 C (61.0 F)	28 of 100 (Routine)
Hindol	India	Record daily precipitation	78.7 mm (3.1 in)	28 of 100 (Routine)
Visby_Flygplats	Sweden	Record high maximum temperature	22.0 C (71.6 F)	28 of 100 (Routine)
Crow Agency	United States	Record daily snowfall	7.6 cm (3.0 in)	28 of 100 (Routine)
Tizi Ouzou	Algeria	Record daily precipitation	39.0 mm (1.5 in)	27 of 100 (Routine)
Sambalpur	India	Record daily precipitation	55.4 mm (2.2 in)	27 of 100 (Routine)
Pennyroyal Creek	Australia	Record daily precipitation	27.4 mm (1.1 in)	26 of 100 (Routine)
Yatchaw (Amaroo)	Australia	Record daily precipitation	35.8 mm (1.4 in)	26 of 100 (Routine)
Harkerville (Bos)	South Africa	Record daily precipitation	45.0 mm (1.8 in)	26 of 100 (Routine)
Hawkesdale (Post Office)	Australia	Record daily precipitation	48.5 mm (1.9 in)	25 of 100 (Routine)
Koroit	Australia	Record daily precipitation	45.0 mm (1.8 in)	25 of 100 (Routine)
Portland	Australia	Record daily precipitation	33.8 mm (1.3 in)	25 of 100 (Routine)
Low Head (Comparison)	Australia	Record daily precipitation	26.4 mm (1.0 in)	25 of 100 (Routine)
Calgary Int'l A	Canada	Record low minimum temperature	-7.8 C (18.0 F)	25 of 100 (Routine)

Counts by Type and Timescale

349 records

Records set or tied on 20 September 1934 by type: Highest daily maximum 17, Lowest daily maximum 37, Highest daily minimum 42, Lowest daily minimum 49, Heaviest daily rainfall 198, Heaviest daily snowfall 6.

Records on 20 September 1934 by type
Record type	Records
Highest daily maximum	17
Lowest daily maximum	37
Highest daily minimum	42
Lowest daily minimum	49
Heaviest daily rainfall	198
Heaviest daily snowfall	6
Deepest snow cover	0

Records on 20 September 1934 by timescale: all-time 0, monthly 15, daily 334.

How Much Records Were Beaten By

315 broken records

Margins by which the 315 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

20 September 1934

Top 20 records on 20 September 1934 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 September 1934	Ekaterinburg, RU	daily rain	29.0 mm (1.1 in)	18.5 mm (0.7 in)	48 years	59 of 100 (Notable)
20 September 1934	Algiers-Ville/Universite, DZ	daily rain	58.7 mm (2.3 in)	49.3 mm (1.9 in)	35 years	55 of 100 (Notable)
20 September 1934	Terang, AU	daily rain	53.3 mm (2.1 in)	33.0 mm (1.3 in)	29 years	51 of 100 (Notable)
20 September 1934	Port Fairy (Griffiths Island), AU	daily rain	46.5 mm (1.8 in)	20.8 mm (0.8 in)	24 years	49 of 100 (Notable)
20 September 1934	Warrnambool Shire Office, AU	daily rain	51.3 mm (2.0 in)	12.4 mm (0.5 in)	65 years	46 of 100 (Notable)
20 September 1934	Colac (Shire Office), AU	daily rain	34.0 mm (1.3 in)	18.8 mm (0.7 in)	24 years	46 of 100 (Notable)
20 September 1934	Camperdown (Post Office), AU	daily rain	40.6 mm (1.6 in)	20.8 mm (0.8 in)	11 years	44 of 100 (Notable)
20 September 1934	Mortlake, AU	daily rain	35.8 mm (1.4 in)	16.5 mm (0.6 in)	20 years	42 of 100 (Notable)
20 September 1934	Kolora (Wooriwyrite), AU	daily rain	33.5 mm (1.3 in)	17.2 mm (0.7 in)	20 years	42 of 100 (Notable)
20 September 1934	Cuttack, IN	daily rain	96.3 mm (3.8 in)	58.7 mm (2.3 in)	15 years	42 of 100 (Notable)
20 September 1934	Cuttack, IN	daily rain	91.9 mm (3.6 in)	52.3 mm (2.1 in)	24 years	42 of 100 (Notable)
20 September 1934	Port Fairy Post Office, AU	daily rain	48.0 mm (1.9 in)	20.6 mm (0.8 in)	11 years	41 of 100 (Notable)
20 September 1934	Tomahawk Creek (Irrewillipe Ea, AU	daily rain	35.3 mm (1.4 in)	18.0 mm (0.7 in)	24 years	41 of 100 (Notable)
20 September 1934	Cobden (Post Office), AU	daily rain	45.0 mm (1.8 in)	19.6 mm (0.8 in)	11 years	40 of 100 (Notable)
20 September 1934	Colac Botanical Gardens, AU	daily rain	30.7 mm (1.2 in)	14.2 mm (0.6 in)	24 years	39 of 100 (Notable)
20 September 1934	Woolsthorpe, AU	daily rain	45.2 mm (1.8 in)	14.2 mm (0.6 in)	20 years	39 of 100 (Notable)
20 September 1934	Narsingpur, IN	daily rain	127.0 mm (5.0 in)	62.7 mm (2.5 in)	16 years	38 of 100 (Notable)
20 September 1934	Mount McIntyre, AU	daily rain	40.6 mm (1.6 in)	20.0 mm (0.8 in)	19 years	37 of 100 (Notable)
20 September 1934	Dartmoor, AU	monthly rain	51.3 mm (2.0 in)	9.1 mm (0.36 in)	24 years	37 of 100 (Notable)
20 September 1934	Chaibasa, IN	daily rain	73.7 mm (2.9 in)	56.4 mm (2.2 in)	8 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

1812 to 1934

Records set or tied on this calendar date in each year from 1812 to 1934. 1934 had 349 records.

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

Records on 09-20 in each year
Year	Records
1812	1
1837	1
1840	1
1844	1
1848	2
1851	1
1852	1
1854	2
1855	1
1856	2
1859	2
1860	1
1862	1
1870	1
1871	2
1882	2
1883	1
1884	1
1886	2
1887	1
1888	2
1889	8
1891	4
1893	5
1894	1
1895	2
1896	1
1897	16
1898	4
1899	1
1900	2
1901	3
1902	3
1903	3
1904	12
1905	8
1906	22
1907	11
1908	24
1909	10
1910	8
1911	21
1912	34
1913	48
1914	28
1915	239
1916	28
1917	100
1918	59
1919	55
1920	64
1921	40
1922	52
1923	249
1924	329
1925	330
1926	129
1927	169
1928	144
1929	373
1930	102
1931	564
1932	270
1933	223
1934	349
1935	201
1936	133
1937	385
1938	506
1939	312
1940	591
1941	582
1942	436
1943	419
1944	466
1945	406
1946	766
1947	460
1948	454
1949	268
1950	435
1951	267
1952	434
1953	479
1954	628
1955	625
1956	985
1957	514
1958	410
1959	489
1960	352
1961	384
1962	707
1963	290
1964	482
1965	1,180
1966	414
1967	449
1968	617
1969	604
1970	591
1971	884
1972	582
1973	569
1974	771
1975	527
1976	375
1977	776
1978	1,216
1979	767
1980	567
1981	979
1982	911
1983	1,958
1984	895
1985	730
1986	743
1987	856
1988	698
1989	968
1990	743
1991	1,835
1992	718
1993	1,031
1994	788
1995	1,374
1996	1,077
1997	1,282
1998	1,157
1999	923
2000	908
2001	821
2002	845
2003	910
2004	1,156
2005	960
2006	732
2007	645
2008	648
2009	715
2010	1,497
2011	650
2012	549
2013	595
2014	577
2015	439
2016	778
2017	920
2018	1,020
2019	835
2020	630
2021	565
2022	786
2023	482
2024	596
2025	877
2026	682

Download the Data

Data for records on 1934-09-20: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	242
10 to 20	32
20 to 30	19
30 to 40	8
40 to 50	5
50 to 60	7
60 to 70	1
70 to 80	1