Weather Records on 30 September 1937

417 weather records were set or tied worldwide on 30 September 1937. Highest significance: Arantangi, IN.

Key Facts for 30 September 1937

On 30 September 1937, 417 weather records were set or tied at long-record stations worldwide.
159 were record highs and 72 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 29 monthly and 388 daily.
Arantangi set a daily record precipitation of 80.0 mm (3.1 in) on 30 September 1937.
Across 161 earlier years (1806 to 2026) the same calendar date averaged 440 records.

Record Map

417 stations

417 station records on 30 September 1937 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 September 1937: highest significance records shown on the map
Station	Country	Type	Value	Significance
Arantangi	India	Record daily precipitation	80.0 mm (3.1 in)	51 of 100 (Notable)
Theethandathanam	India	Record daily precipitation	80.3 mm (3.2 in)	47 of 100 (Notable)
Aztec Ruins Nm	United States	Record daily precipitation	28.4 mm (1.1 in)	47 of 100 (Notable)
Asthawan	India	Record daily precipitation	147.3 mm (5.8 in)	46 of 100 (Notable)
N Bend SW Oregon Rgnl AP	United States	Record daily precipitation	51.1 mm (2.0 in)	46 of 100 (Notable)
Kattumavadi	India	Record daily precipitation	81.0 mm (3.2 in)	45 of 100 (Notable)
Itahar	India	Record daily precipitation	185.9 mm (7.3 in)	45 of 100 (Notable)
Chanchal	India	Record daily precipitation	146.3 mm (5.8 in)	44 of 100 (Notable)
Pardoo Station	Australia	Record daily precipitation	28.4 mm (1.1 in)	40 of 100 (Notable)
Kishanganj	India	Record daily precipitation	160.3 mm (6.3 in)	40 of 100 (Notable)
Berhampore	India	Record daily precipitation	99.8 mm (3.9 in)	38 of 100 (Notable)
Seattle Urban Site	United States	Record daily precipitation	36.8 mm (1.4 in)	38 of 100 (Notable)
Arukutty	India	Record daily precipitation	129.5 mm (5.1 in)	36 of 100 (Notable)
Trichur	India	Record daily precipitation	154.9 mm (6.1 in)	36 of 100 (Notable)
Triprayar	India	Record daily precipitation	172.7 mm (6.8 in)	36 of 100 (Notable)
Jath	India	Record daily precipitation	74.9 mm (2.9 in)	36 of 100 (Notable)
Nullagine	Australia	Record daily precipitation	28.7 mm (1.1 in)	35 of 100 (Notable)
New Westminster	Canada	Record daily precipitation	39.4 mm (1.6 in)	35 of 100 (Notable)
Akhuapada	India	Record daily precipitation	73.7 mm (2.9 in)	35 of 100 (Notable)
Vattaram	India	Record daily precipitation	66.0 mm (2.6 in)	34 of 100 (Routine)
Seleng	India	Record daily precipitation	78.7 mm (3.1 in)	33 of 100 (Routine)
Malda	India	Record daily precipitation	135.9 mm (5.4 in)	33 of 100 (Routine)
Tres Piedras	United States	Record daily precipitation	30.5 mm (1.2 in)	33 of 100 (Routine)
Avanashi	India	Record daily precipitation	38.1 mm (1.5 in)	32 of 100 (Routine)
Bolpur	India	Record daily precipitation	66.0 mm (2.6 in)	32 of 100 (Routine)
Raiganj	India	Record daily precipitation	160.0 mm (6.3 in)	32 of 100 (Routine)
Balurghat	India	Record daily precipitation	131.1 mm (5.2 in)	31 of 100 (Routine)
Pachamba	India	Record daily precipitation	78.7 mm (3.1 in)	30 of 100 (Routine)
Burdwan	India	Record daily precipitation	119.6 mm (4.7 in)	30 of 100 (Routine)
Warrawagine	Australia	Record daily precipitation	25.4 mm (1.0 in)	29 of 100 (Routine)
Pakribarwan	India	Record daily precipitation	52.1 mm (2.1 in)	29 of 100 (Routine)
Gazole	India	Record daily precipitation	101.6 mm (4.0 in)	29 of 100 (Routine)
Yarraloola	Australia	Record daily precipitation	25.4 mm (1.0 in)	28 of 100 (Routine)
Harihar	India	Record daily precipitation	87.6 mm (3.4 in)	28 of 100 (Routine)
Sholavandan	India	Record daily precipitation	40.6 mm (1.6 in)	28 of 100 (Routine)
Bandon 2 NNE	United States	Record daily precipitation	31.0 mm (1.2 in)	28 of 100 (Routine)
Samastipur	India	Record daily precipitation	190.5 mm (7.5 in)	27 of 100 (Routine)
Mahespur	India	Record daily precipitation	101.6 mm (4.0 in)	27 of 100 (Routine)
Belgaum	India	Record daily precipitation	106.7 mm (4.2 in)	27 of 100 (Routine)
Rayagada	India	Record daily precipitation	59.7 mm (2.4 in)	27 of 100 (Routine)
Novorossijsk	Russia	Record daily precipitation	37.7 mm (1.5 in)	27 of 100 (Routine)
Hassan Obsy	India	Record daily precipitation	33.3 mm (1.3 in)	26 of 100 (Routine)
Mukundapuram	India	Record daily precipitation	113.5 mm (4.5 in)	26 of 100 (Routine)
Porto Novo	India	Record daily precipitation	62.0 mm (2.4 in)	26 of 100 (Routine)
Vriddhachalam	India	Record daily precipitation	61.2 mm (2.4 in)	26 of 100 (Routine)
Onda	India	Record daily precipitation	58.4 mm (2.3 in)	26 of 100 (Routine)
Rajauli	India	Record daily precipitation	76.2 mm (3.0 in)	24 of 100 (Routine)
Kukrahati	India	Record daily precipitation	38.1 mm (1.5 in)	24 of 100 (Routine)
Fernandina Beach	United States	Record daily precipitation	95.8 mm (3.8 in)	24 of 100 (Routine)
Beachport	Australia	Record daily precipitation	25.7 mm (1.0 in)	23 of 100 (Routine)
Walgett Council Depot	Australia	Record high minimum temperature	21.7 C (71.1 F)	23 of 100 (Routine)
Chakaibanda	India	Record daily precipitation	97.8 mm (3.9 in)	23 of 100 (Routine)
Ghatsila Sr	India	Record daily precipitation	42.4 mm (1.7 in)	23 of 100 (Routine)
Kalyanganj	India	Record daily precipitation	152.4 mm (6.0 in)	23 of 100 (Routine)
Raiford State Prison	United States	Record low maximum temperature	21.7 C (71.1 F)	23 of 100 (Routine)
Hebron	United States	Record high minimum temperature	25.0 C (77.0 F)	23 of 100 (Routine)
Loukahi	India	Record daily precipitation	127.0 mm (5.0 in)	22 of 100 (Routine)
Bihar	India	Record daily precipitation	50.8 mm (2.0 in)	22 of 100 (Routine)
Clearbrook	United States	Record low maximum temperature	10.6 C (51.1 F)	22 of 100 (Routine)
Rajmahal	India	Record daily precipitation	66.3 mm (2.6 in)	21 of 100 (Routine)

Counts by Type and Timescale

417 records

Records set or tied on 30 September 1937 by type: Highest daily maximum 84, Lowest daily maximum 63, Highest daily minimum 75, Lowest daily minimum 9, Heaviest daily rainfall 186.

Records on 30 September 1937 by type
Record type	Records
Highest daily maximum	84
Lowest daily maximum	63
Highest daily minimum	75
Lowest daily minimum	9
Heaviest daily rainfall	186
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 September 1937 by timescale: all-time 0, monthly 29, daily 388.

How Much Records Were Beaten By

328 broken records

Margins by which the 328 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 137.6. Ties are not counted.

Top 20 by Significance

30 September 1937

Top 20 records on 30 September 1937 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 September 1937	Arantangi, IN	daily rain	80.0 mm (3.1 in)	52.3 mm (2.1 in)	30 years	51 of 100 (Notable)
30 September 1937	Theethandathanam, IN	daily rain	80.3 mm (3.2 in)	57.9 mm (2.3 in)	16 years	47 of 100 (Notable)
30 September 1937	Aztec Ruins Nm, US	daily rain	28.4 mm (1.1 in)	24.3 mm (1.0 in)	26 years	47 of 100 (Notable)
30 September 1937	Asthawan, IN	daily rain	147.3 mm (5.8 in)	129.5 mm (5.1 in)	11 years	46 of 100 (Notable)
30 September 1937	N Bend SW Oregon Rgnl AP, US	daily rain	51.1 mm (2.0 in)	40.9 mm (1.6 in)	12 years	46 of 100 (Notable)
30 September 1937	Kattumavadi, IN	daily rain	81.0 mm (3.2 in)	61.7 mm (2.4 in)	8 years	45 of 100 (Notable)
30 September 1937	Itahar, IN	daily rain	185.9 mm (7.3 in)	137.6 mm (5.4 in)	8 years	45 of 100 (Notable)
30 September 1937	Chanchal, IN	daily rain	146.3 mm (5.8 in)	105.4 mm (4.1 in)	28 years	44 of 100 (Notable)
30 September 1937	Pardoo Station, AU	monthly rain	28.4 mm (1.1 in)	22.0 mm (0.9 in)	17 years	40 of 100 (Notable)
30 September 1937	Kishanganj, IN	daily rain	160.3 mm (6.3 in)	124.0 mm (4.9 in)	8 years	40 of 100 (Notable)
30 September 1937	Berhampore, IN	daily rain	99.8 mm (3.9 in)	62.0 mm (2.4 in)	24 years	38 of 100 (Notable)
30 September 1937	Seattle Urban Site, US	daily rain	36.8 mm (1.4 in)	20.0 mm (0.8 in)	12 years	38 of 100 (Notable)
30 September 1937	Arukutty, IN	daily rain	129.5 mm (5.1 in)	60.9 mm (2.4 in)	16 years	36 of 100 (Notable)
30 September 1937	Trichur, IN	monthly rain	154.9 mm (6.1 in)	33.5 mm (1.3 in)	25 years	36 of 100 (Notable)
30 September 1937	Triprayar, IN	monthly rain	172.7 mm (6.8 in)	36.8 mm (1.4 in)	10 years	36 of 100 (Notable)
30 September 1937	Jath, IN	daily rain	74.9 mm (2.9 in)	41.4 mm (1.6 in)	30 years	36 of 100 (Notable)
30 September 1937	Nullagine, AU	monthly rain	28.7 mm (1.1 in)	21.1 mm (0.8 in)	1 year	35 of 100 (Notable)
30 September 1937	New Westminster, CA	daily rain	39.4 mm (1.6 in)	20.1 mm (0.8 in)	40 years	35 of 100 (Notable)
30 September 1937	Akhuapada, IN	daily rain	73.7 mm (2.9 in)	42.5 mm (1.7 in)	34 years	35 of 100 (Notable)
30 September 1937	Vattaram, IN	daily rain	66.0 mm (2.6 in)	38.3 mm (1.5 in)	16 years	34 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

1806 to 1937

Records set or tied on this calendar date in each year from 1806 to 1937. 1937 had 417 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 1937-09-30: 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 20	276
20 to 40	28
40 to 60	12
60 to 80	6
80 to 100	1
100 to 120	2
120 to 140	3