Weather Records on 30 September 1940

316 weather records were set or tied worldwide on 30 September 1940. Highest significance: Delegate Post Office, AU.

Key Facts for 30 September 1940

On 30 September 1940, 316 weather records were set or tied at long-record stations worldwide.
63 were record highs and 91 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 11 monthly and 305 daily.
Delegate Post Office set a daily record precipitation of 38.9 mm (1.5 in) on 30 September 1940.
Across 161 earlier years (1806 to 2026) the same calendar date averaged 440 records.

Record Map

316 stations

316 station records on 30 September 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 September 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Delegate Post Office	Australia	Record daily precipitation	38.9 mm (1.5 in)	54 of 100 (Notable)
Palmaryville	South Africa	Record daily precipitation	88.1 mm (3.5 in)	53 of 100 (Notable)
Joseph	United States	Record daily precipitation	27.9 mm (1.1 in)	52 of 100 (Notable)
Buchan (Gillingall)	Australia	Record daily precipitation	57.4 mm (2.3 in)	51 of 100 (Notable)
New Meadows Rs	United States	Record daily precipitation	25.9 mm (1.0 in)	49 of 100 (Notable)
Berlin (Sar)	South Africa	Record daily precipitation	69.6 mm (2.7 in)	48 of 100 (Notable)
Bendoc Park	Australia	Record daily precipitation	38.1 mm (1.5 in)	47 of 100 (Notable)
Kalkfontein	South Africa	Record daily precipitation	32.3 mm (1.3 in)	46 of 100 (Notable)
Beecroft	Australia	Record daily precipitation	48.8 mm (1.9 in)	45 of 100 (Notable)
Tombong (Hillcrest)	Australia	Record daily precipitation	28.7 mm (1.1 in)	45 of 100 (Notable)
Stratford	Australia	Record daily precipitation	28.7 mm (1.1 in)	45 of 100 (Notable)
Bombala (Therry Street)	Australia	Record daily precipitation	39.1 mm (1.5 in)	44 of 100 (Notable)
Bruthen (Post Office)	Australia	Record daily precipitation	48.5 mm (1.9 in)	43 of 100 (Notable)
Pilgrims Rest (Pol)	South Africa	Record daily precipitation	78.7 mm (3.1 in)	43 of 100 (Notable)
Elandsfontein	South Africa	Record daily precipitation	57.7 mm (2.3 in)	43 of 100 (Notable)
Duiwelskloof (Mun)	South Africa	Record daily precipitation	29.2 mm (1.1 in)	42 of 100 (Notable)
Hawthorne	United States	Record daily precipitation	41.4 mm (1.6 in)	41 of 100 (Notable)
Epping Chester Street	Australia	Record daily precipitation	48.3 mm (1.9 in)	40 of 100 (Notable)
Sutherland Mwsdb	Australia	Record daily precipitation	63.5 mm (2.5 in)	40 of 100 (Notable)
Hunters Hill (the Bungalow)	Australia	Record daily precipitation	51.1 mm (2.0 in)	40 of 100 (Notable)
Ryde Pumping Station	Australia	Record daily precipitation	43.2 mm (1.7 in)	38 of 100 (Notable)
Villa Nora (Pol)	South Africa	Record daily precipitation	30.5 mm (1.2 in)	36 of 100 (Notable)
Sunbury (Salesian College )	Australia	Record daily precipitation	44.7 mm (1.8 in)	35 of 100 (Notable)
Kundha (Kailkund)	India	Record daily precipitation	43.2 mm (1.7 in)	34 of 100 (Routine)
Planknek	South Africa	Record daily precipitation	25.9 mm (1.0 in)	34 of 100 (Routine)
Omeo Comparison	Australia	Record daily precipitation	29.7 mm (1.2 in)	33 of 100 (Routine)
Audley National Park Bottom St	Australia	Record daily precipitation	64.0 mm (2.5 in)	32 of 100 (Routine)
Concord Walker Hospital	Australia	Record daily precipitation	48.0 mm (1.9 in)	32 of 100 (Routine)
Windsor Bowling Club	Australia	Record daily precipitation	39.1 mm (1.5 in)	32 of 100 (Routine)
Delta	United States	Record daily precipitation	26.2 mm (1.0 in)	32 of 100 (Routine)
Pennant Hills (Yarrara Road)	Australia	Record daily precipitation	42.4 mm (1.7 in)	30 of 100 (Routine)
Riverview Observatory	Australia	Record daily precipitation	40.4 mm (1.6 in)	29 of 100 (Routine)
Jayamkondam	India	Record daily precipitation	83.1 mm (3.3 in)	29 of 100 (Routine)
Baia Mare	Romania	Record low minimum temperature	0.0 C (32.0 F)	29 of 100 (Routine)
Lidcombe (Carnarvon Golf Club)	Australia	Record daily precipitation	43.2 mm (1.7 in)	28 of 100 (Routine)
Tarpon Spgs Sewage Plt	United States	Record low minimum temperature	16.1 C (61.0 F)	28 of 100 (Routine)
Wyong (Wyong Golf Club)	Australia	Record daily precipitation	54.4 mm (2.1 in)	27 of 100 (Routine)
Eltham	Australia	Record daily precipitation	29.2 mm (1.1 in)	27 of 100 (Routine)
Potts Hill Reservoir	Australia	Record daily precipitation	51.8 mm (2.0 in)	26 of 100 (Routine)
Gorlitz	Germany	Record low maximum temperature	9.5 C (49.1 F)	25 of 100 (Routine)
Waren	Germany	Record low minimum temperature	-0.4 C (31.3 F)	25 of 100 (Routine)
Olekminsk	Russia	Record low minimum temperature	-12.1 C (10.2 F)	25 of 100 (Routine)
Kieskamahoek (Pol)	South Africa	Record daily precipitation	40.1 mm (1.6 in)	25 of 100 (Routine)
Eden (Timbillica)	Australia	Record daily precipitation	36.8 mm (1.4 in)	24 of 100 (Routine)
Vale	United States	Record low maximum temperature	12.2 C (54.0 F)	24 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record daily precipitation	38.4 mm (1.5 in)	23 of 100 (Routine)
Altastenberg	Germany	Record low maximum temperature	4.0 C (39.2 F)	23 of 100 (Routine)
Putbus	Germany	Record low minimum temperature	2.2 C (36.0 F)	23 of 100 (Routine)
Payette	United States	Record low maximum temperature	11.7 C (53.1 F)	23 of 100 (Routine)
Ashfield Bowling Club	Australia	Record daily precipitation	34.0 mm (1.3 in)	22 of 100 (Routine)
Magdeburg	Germany	Record low maximum temperature	10.7 C (51.3 F)	22 of 100 (Routine)
Aramboly	India	Record daily precipitation	40.9 mm (1.6 in)	22 of 100 (Routine)
Oelrichs	United States	Record high minimum temperature	11.7 C (53.1 F)	22 of 100 (Routine)
Moss Vale (Hoskins Street)	Australia	Record daily precipitation	45.7 mm (1.8 in)	21 of 100 (Routine)
Sattankulam	India	Record daily precipitation	25.9 mm (1.0 in)	21 of 100 (Routine)
Avon Park 2 W	United States	Record low maximum temperature	23.9 C (75.0 F)	21 of 100 (Routine)
Haiku 490	United States	Record low minimum temperature	15.0 C (59.0 F)	21 of 100 (Routine)
Cambridge	United States	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Kooskia	United States	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Payette	United States	Record daily precipitation	9.9 mm (0.39 in)	20 of 100 (Routine)

Counts by Type and Timescale

316 records

Records set or tied on 30 September 1940 by type: Highest daily maximum 11, Lowest daily maximum 61, Highest daily minimum 52, Lowest daily minimum 30, Heaviest daily rainfall 161, Deepest snow cover 1.

Records on 30 September 1940 by type
Record type	Records
Highest daily maximum	11
Lowest daily maximum	61
Highest daily minimum	52
Lowest daily minimum	30
Heaviest daily rainfall	161
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 30 September 1940 by timescale: all-time 0, monthly 11, daily 305.

How Much Records Were Beaten By

270 broken records

Margins by which the 270 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 67.3. Ties are not counted.

Top 20 by Significance

30 September 1940

Top 20 records on 30 September 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 September 1940	Delegate Post Office, AU	daily rain	38.9 mm (1.5 in)	28.7 mm (1.1 in)	36 years	54 of 100 (Notable)
30 September 1940	Palmaryville, ZA	monthly rain	88.1 mm (3.5 in)	55.1 mm (2.2 in)	0 years	53 of 100 (Notable)
30 September 1940	Joseph, US	daily rain	27.9 mm (1.1 in)	22.3 mm (0.9 in)	46 years	52 of 100 (Notable)
30 September 1940	Buchan (Gillingall), AU	daily rain	57.4 mm (2.3 in)	40.1 mm (1.6 in)	24 years	51 of 100 (Notable)
30 September 1940	New Meadows Rs, US	daily rain	25.9 mm (1.0 in)	20.6 mm (0.8 in)	31 years	49 of 100 (Notable)
30 September 1940	Berlin (Sar), ZA	daily rain	69.6 mm (2.7 in)	46.0 mm (1.8 in)	41 years	48 of 100 (Notable)
30 September 1940	Bendoc Park, AU	daily rain	38.1 mm (1.5 in)	30.0 mm (1.2 in)	9 years	47 of 100 (Notable)
30 September 1940	Kalkfontein, ZA	daily rain	32.3 mm (1.3 in)	32.3 mm (1.3 in)	34 years	46 of 100 (Notable)
30 September 1940	Beecroft, AU	daily rain	48.8 mm (1.9 in)	30.5 mm (1.2 in)	32 years	45 of 100 (Notable)
30 September 1940	Tombong (Hillcrest), AU	daily rain	28.7 mm (1.1 in)	19.3 mm (0.8 in)	24 years	45 of 100 (Notable)
30 September 1940	Stratford, AU	daily rain	28.7 mm (1.1 in)	17.0 mm (0.7 in)	55 years	45 of 100 (Notable)
30 September 1940	Bombala (Therry Street), AU	daily rain	39.1 mm (1.5 in)	25.1 mm (1.0 in)	9 years	44 of 100 (Notable)
30 September 1940	Bruthen (Post Office), AU	daily rain	48.5 mm (1.9 in)	30.5 mm (1.2 in)	24 years	43 of 100 (Notable)
30 September 1940	Pilgrims Rest (Pol), ZA	daily rain	78.7 mm (3.1 in)	67.3 mm (2.6 in)	2 years	43 of 100 (Notable)
30 September 1940	Elandsfontein, ZA	daily rain	57.7 mm (2.3 in)	51.3 mm (2.0 in)	2 years	43 of 100 (Notable)
30 September 1940	Duiwelskloof (Mun), ZA	daily rain	29.2 mm (1.1 in)	26.7 mm (1.1 in)	18 years	42 of 100 (Notable)
30 September 1940	Hawthorne, US	daily rain	41.4 mm (1.6 in)	39.4 mm (1.6 in)	29 years	41 of 100 (Notable)
30 September 1940	Epping Chester Street, AU	daily rain	48.3 mm (1.9 in)	22.6 mm (0.9 in)	47 years	40 of 100 (Notable)
30 September 1940	Sutherland Mwsdb, AU	daily rain	63.5 mm (2.5 in)	38.1 mm (1.5 in)	32 years	40 of 100 (Notable)
30 September 1940	Hunters Hill (the Bungalow), AU	daily rain	51.1 mm (2.0 in)	29.8 mm (1.2 in)	32 years	40 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 1940

Records set or tied on this calendar date in each year from 1806 to 1940. 1940 had 316 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	523

Download the Data

Data for records on 1940-09-30: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	216
10 to 20	23
20 to 30	19
30 to 40	6
40 to 50	3
50 to 60	2
60 to 70	1