Weather Records on 29 September 1940

346 weather records were set or tied worldwide on 29 September 1940. Highest significance: Uthamapalayam, IN.

Key Facts for 29 September 1940

On 29 September 1940, 346 weather records were set or tied at long-record stations worldwide.
46 were record highs and 89 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 339 daily.
Uthamapalayam set a daily record precipitation of 72.9 mm (2.9 in) on 29 September 1940.
Across 157 earlier years (1836 to 2026) the same calendar date averaged 450 records.

Record Map

346 stations

346 station records on 29 September 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 29 September 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Uthamapalayam	India	Record daily precipitation	72.9 mm (2.9 in)	50 of 100 (Notable)
Brodribb River	Australia	Record daily precipitation	72.1 mm (2.8 in)	47 of 100 (Notable)
Chickmagalur	India	Record daily precipitation	101.1 mm (4.0 in)	45 of 100 (Notable)
Orbost (Comparison)	Australia	Record daily precipitation	50.3 mm (2.0 in)	40 of 100 (Notable)
Gabo Island Lighthouse	Australia	Record daily precipitation	45.7 mm (1.8 in)	38 of 100 (Notable)
Murrungowar	Australia	Record daily precipitation	50.3 mm (2.0 in)	37 of 100 (Notable)
Duchesne	United States	Record daily precipitation	26.9 mm (1.1 in)	37 of 100 (Notable)
Glenmorgan	India	Record daily precipitation	46.2 mm (1.8 in)	34 of 100 (Routine)
Nowa Nowa (Wairewa)	Australia	Record daily precipitation	47.5 mm (1.9 in)	32 of 100 (Routine)
Mount Gambier Post Office	Australia	Record daily precipitation	25.1 mm (1.0 in)	31 of 100 (Routine)
Croydon State School	Australia	Record daily precipitation	34.5 mm (1.4 in)	31 of 100 (Routine)
Belur	India	Record daily precipitation	53.8 mm (2.1 in)	31 of 100 (Routine)
Payette	United States	Record low maximum temperature	11.1 C (52.0 F)	30 of 100 (Routine)
Eutawville	United States	Record low maximum temperature	16.7 C (62.1 F)	30 of 100 (Routine)
Ellerston	Australia	Record daily precipitation	40.1 mm (1.6 in)	29 of 100 (Routine)
Batala	India	Record daily precipitation	47.0 mm (1.9 in)	29 of 100 (Routine)
Jacksonville Wb City	United States	Record low maximum temperature	22.2 C (72.0 F)	29 of 100 (Routine)
Wallan Wallan (Inverlochy)	Australia	Record daily precipitation	33.5 mm (1.3 in)	28 of 100 (Routine)
Kinglake West (Wallaby Creek)	Australia	Record daily precipitation	34.3 mm (1.4 in)	28 of 100 (Routine)
Chitradurga	India	Record daily precipitation	53.6 mm (2.1 in)	28 of 100 (Routine)
Toorourrong Reservoir (Toorour	Australia	Record daily precipitation	27.7 mm (1.1 in)	27 of 100 (Routine)
Indio Fire STN	United States	Record low minimum temperature	7.8 C (46.0 F)	27 of 100 (Routine)
Naduvattam	India	Record daily precipitation	57.2 mm (2.3 in)	26 of 100 (Routine)
Eden (Timbillica)	Australia	Record daily precipitation	38.9 mm (1.5 in)	25 of 100 (Routine)
Nicholson (Yendalock)	Australia	Record daily precipitation	27.9 mm (1.1 in)	25 of 100 (Routine)
Bairnsdale Post Office	Australia	Record daily precipitation	26.7 mm (1.1 in)	25 of 100 (Routine)
Putbus	Germany	Record low maximum temperature	9.5 C (49.1 F)	25 of 100 (Routine)
Chatrapatti	India	Record daily precipitation	48.5 mm (1.9 in)	25 of 100 (Routine)
Barkestad	Norway	Record daily precipitation	41.1 mm (1.6 in)	24 of 100 (Routine)
Big St Germain Dam	United States	Record daily precipitation	38.4 mm (1.5 in)	24 of 100 (Routine)
Bonang	Australia	Record daily precipitation	35.3 mm (1.4 in)	23 of 100 (Routine)
Bairnsdale 1	Australia	Record daily precipitation	26.7 mm (1.1 in)	23 of 100 (Routine)
Fernbank	Australia	Record daily precipitation	38.1 mm (1.5 in)	23 of 100 (Routine)
Thathaiengarpet	India	Record daily precipitation	80.0 mm (3.1 in)	23 of 100 (Routine)
Gainesville UNIV of Fl	United States	Record low maximum temperature	23.3 C (73.9 F)	23 of 100 (Routine)
Hebgen Dam	United States	Record daily precipitation	36.1 mm (1.4 in)	23 of 100 (Routine)
Summerville 4W	United States	Record low maximum temperature	16.1 C (61.0 F)	23 of 100 (Routine)
Sarsfield	Australia	Record daily precipitation	29.7 mm (1.2 in)	22 of 100 (Routine)
Ringwood 2	Australia	Record daily precipitation	25.4 mm (1.0 in)	22 of 100 (Routine)
Macedon Forestry	Australia	Record daily precipitation	38.1 mm (1.5 in)	22 of 100 (Routine)
Berlin-Dahlem	Germany	Record low maximum temperature	10.0 C (50.0 F)	22 of 100 (Routine)
Baramulla	India	Record daily precipitation	27.9 mm (1.1 in)	22 of 100 (Routine)
Nawanshahr	India	Record daily precipitation	38.1 mm (1.5 in)	22 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record low minimum temperature	-3.8 C (25.2 F)	22 of 100 (Routine)
Bindi	Australia	Record daily precipitation	25.4 mm (1.0 in)	21 of 100 (Routine)
Wallajah	India	Record daily precipitation	69.9 mm (2.8 in)	21 of 100 (Routine)
Benson	United States	Record low maximum temperature	22.8 C (73.0 F)	21 of 100 (Routine)
Telluride 4WNW	United States	Record high minimum temperature	7.8 C (46.0 F)	21 of 100 (Routine)
Society Hill 6 S	United States	Record low maximum temperature	17.2 C (63.0 F)	21 of 100 (Routine)
Lovell	United States	Record high minimum temperature	10.0 C (50.0 F)	21 of 100 (Routine)
Mangalore (Mangalore Farm)	Australia	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Kempton (Oakmore)	Australia	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)
Luna Rs	United States	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Cape Northumberland	Australia	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Elatma	Russia	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Warmur West	Australia	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Yan Yean	Australia	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Ft Valley	United States	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Triabunna (3 Boyle Street)	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Lilydale	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

346 records

Records set or tied on 29 September 1940 by type: Highest daily maximum 10, Lowest daily maximum 58, Highest daily minimum 36, Lowest daily minimum 31, Heaviest daily rainfall 211.

Records on 29 September 1940 by type
Record type	Records
Highest daily maximum	10
Lowest daily maximum	58
Highest daily minimum	36
Lowest daily minimum	31
Heaviest daily rainfall	211
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 29 September 1940 by timescale: all-time 0, monthly 7, daily 339.

How Much Records Were Beaten By

287 broken records

Margins by which the 287 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 56.6. Ties are not counted.

Top 20 by Significance

29 September 1940

Top 20 records on 29 September 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
29 September 1940	Uthamapalayam, IN	daily rain	72.9 mm (2.9 in)	56.6 mm (2.2 in)	20 years	50 of 100 (Notable)
29 September 1940	Brodribb River, AU	daily rain	72.1 mm (2.8 in)	52.5 mm (2.1 in)	16 years	47 of 100 (Notable)
29 September 1940	Chickmagalur, IN	monthly rain	101.1 mm (4.0 in)	26.9 mm (1.1 in)	28 years	45 of 100 (Notable)
29 September 1940	Orbost (Comparison), AU	daily rain	50.3 mm (2.0 in)	34.0 mm (1.3 in)	23 years	40 of 100 (Notable)
29 September 1940	Gabo Island Lighthouse, AU	daily rain	45.7 mm (1.8 in)	19.0 mm (0.7 in)	32 years	38 of 100 (Notable)
29 September 1940	Murrungowar, AU	daily rain	50.3 mm (2.0 in)	33.3 mm (1.3 in)	24 years	37 of 100 (Notable)
29 September 1940	Duchesne, US	daily rain	26.9 mm (1.1 in)	16.7 mm (0.7 in)	29 years	37 of 100 (Notable)
29 September 1940	Glenmorgan, IN	daily rain	46.2 mm (1.8 in)	22.8 mm (0.9 in)	39 years	34 of 100 (Routine)
29 September 1940	Nowa Nowa (Wairewa), AU	daily rain	47.5 mm (1.9 in)	30.0 mm (1.2 in)	24 years	32 of 100 (Routine)
29 September 1940	Mount Gambier Post Office, AU	daily rain	25.1 mm (1.0 in)	6.3 mm (0.25 in)	37 years	31 of 100 (Routine)
29 September 1940	Croydon State School, AU	daily rain	34.5 mm (1.4 in)	18.2 mm (0.7 in)	15 years	31 of 100 (Routine)
29 September 1940	Belur, IN	daily rain	53.8 mm (2.1 in)	22.0 mm (0.9 in)	28 years	31 of 100 (Routine)
29 September 1940	Payette, US	monthly low max	11.1 C (52.0 F)	1.1 C (2.0 F)	47 years	30 of 100 (Routine)
29 September 1940	Eutawville, US	daily low max	16.7 C (62.1 F)	6.6 C (11.9 F)	28 years	30 of 100 (Routine)
29 September 1940	Ellerston, AU	daily rain	40.1 mm (1.6 in)	16.0 mm (0.6 in)	16 years	29 of 100 (Routine)
29 September 1940	Batala, IN	daily rain	47.0 mm (1.9 in)	47.0 mm (1.9 in)	39 years	29 of 100 (Routine)
29 September 1940	Jacksonville Wb City, US	daily low max	22.2 C (72.0 F)	0.6 C (1.1 F)	68 years	29 of 100 (Routine)
29 September 1940	Wallan Wallan (Inverlochy), AU	daily rain	33.5 mm (1.3 in)	18.3 mm (0.7 in)	16 years	28 of 100 (Routine)
29 September 1940	Kinglake West (Wallaby Creek), AU	daily rain	34.3 mm (1.4 in)	13.5 mm (0.5 in)	30 years	28 of 100 (Routine)
29 September 1940	Chitradurga, IN	daily rain	53.6 mm (2.1 in)	17.0 mm (0.7 in)	37 years	28 of 100 (Routine)

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

1836 to 1940

Records set or tied on this calendar date in each year from 1836 to 1940. 1940 had 346 records.

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

Records on 09-29 in each year
Year	Records
1836	1
1843	1
1854	2
1859	2
1861	1
1862	1
1864	1
1867	1
1868	1
1869	2
1871	1
1873	3
1874	1
1877	2
1881	1
1882	1
1883	2
1884	2
1885	4
1886	1
1887	1
1888	3
1889	3
1890	4
1892	4
1893	1
1894	4
1895	4
1897	5
1898	4
1899	9
1900	3
1901	7
1902	14
1903	11
1904	26
1905	11
1906	16
1907	26
1908	20
1909	10
1910	10
1911	64
1912	27
1913	20
1914	24
1915	43
1916	184
1917	19
1918	36
1919	38
1920	22
1921	148
1922	33
1923	89
1924	264
1925	166
1926	195
1927	236
1928	212
1929	243
1930	71
1931	204
1932	234
1933	353
1934	394
1935	188
1936	399
1937	276
1938	423
1939	407
1940	346
1941	511
1942	858
1943	390
1944	398
1945	899
1946	265
1947	467
1948	334
1949	398
1950	472
1951	475
1952	404
1953	1,079
1954	814
1955	375
1956	380
1957	636
1958	309
1959	1,066
1960	143
1961	447
1962	481
1963	996
1964	1,154
1965	689
1966	498
1967	1,250
1968	184
1969	279
1970	629
1971	797
1972	637
1973	769
1974	730
1975	365
1976	636
1977	800
1978	569
1979	581
1980	874
1981	747
1982	911
1983	920
1984	1,447
1985	1,789
1986	1,624
1987	641
1988	554
1989	710
1990	416
1991	747
1992	833
1993	620
1994	967
1995	1,033
1996	1,356
1997	683
1998	1,295
1999	1,440
2000	965
2001	846
2002	557
2003	924
2004	754
2005	1,163
2006	695
2007	929
2008	461
2009	700
2010	1,110
2011	1,572
2012	737
2013	623
2014	548
2015	724
2016	912
2017	433
2018	582
2019	2,193
2020	444
2021	790
2022	600
2023	866
2024	1,391
2025	516
2026	544

Download the Data

Data for records on 1940-09-29: 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).