Weather Records on 30 September 1949

366 weather records were set or tied worldwide on 30 September 1949. Highest significance: Yallaroi, AU.

Key Facts for 30 September 1949

On 30 September 1949, 366 weather records were set or tied at long-record stations worldwide.
96 were record highs and 154 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 37 monthly and 329 daily.
Yallaroi set a daily record precipitation of 46.7 mm (1.8 in) on 30 September 1949.
Across 161 earlier years (1806 to 2026) the same calendar date averaged 440 records.

Record Map

366 stations

366 station records on 30 September 1949 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 September 1949: highest significance records shown on the map
Station	Country	Type	Value	Significance
Yallaroi	Australia	Record daily precipitation	46.7 mm (1.8 in)	65 of 100 (Major)
Palma 2 NE	United States	Record daily precipitation	44.5 mm (1.8 in)	49 of 100 (Notable)
Bedetti(Behali)	India	Record daily precipitation	121.9 mm (4.8 in)	39 of 100 (Notable)
Kurwai	India	Record daily precipitation	53.3 mm (2.1 in)	39 of 100 (Notable)
Upper Shillong	India	Record daily precipitation	106.2 mm (4.2 in)	37 of 100 (Notable)
Ashton 1N	United States	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Sepao	India	Record daily precipitation	77.5 mm (3.1 in)	36 of 100 (Notable)
Lake Yellowstone	United States	Record daily precipitation	26.4 mm (1.0 in)	36 of 100 (Notable)
Maihar	India	Record daily precipitation	89.9 mm (3.5 in)	33 of 100 (Routine)
Fatehabad	India	Record daily precipitation	55.9 mm (2.2 in)	32 of 100 (Routine)
Lahar	India	Record daily precipitation	39.4 mm (1.6 in)	31 of 100 (Routine)
Tibri	India	Record daily precipitation	35.6 mm (1.4 in)	31 of 100 (Routine)
Melur	India	Record daily precipitation	68.3 mm (2.7 in)	30 of 100 (Routine)
Bateman Rch	United States	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Busselton Shire	Australia	Record daily precipitation	26.4 mm (1.0 in)	29 of 100 (Routine)
Helwan (Cairo)	Egypt	Record low minimum temperature	15.0 C (59.0 F)	29 of 100 (Routine)
Mangaldai	India	Record daily precipitation	44.5 mm (1.8 in)	28 of 100 (Routine)
Charduar	India	Record daily precipitation	99.1 mm (3.9 in)	28 of 100 (Routine)
Bijeraghogarh	India	Record daily precipitation	76.2 mm (3.0 in)	28 of 100 (Routine)
Experiment	United States	Record low minimum temperature	5.6 C (42.1 F)	28 of 100 (Routine)
Corsicana	United States	Record low minimum temperature	5.6 C (42.1 F)	28 of 100 (Routine)
Tezpur	India	Record daily precipitation	58.9 mm (2.3 in)	27 of 100 (Routine)
Khairagarh	India	Record daily precipitation	69.1 mm (2.7 in)	27 of 100 (Routine)
Ashland	United States	Record low maximum temperature	11.1 C (52.0 F)	27 of 100 (Routine)
Lynnville 4 SSW	United States	Record low minimum temperature	0.0 C (32.0 F)	27 of 100 (Routine)
Kohala Mis 175.1	United States	Record low minimum temperature	17.8 C (64.0 F)	27 of 100 (Routine)
North Lakhimpur	India	Record daily precipitation	109.2 mm (4.3 in)	26 of 100 (Routine)
Karimnagar	India	Record daily precipitation	47.0 mm (1.9 in)	25 of 100 (Routine)
Sri Ranbirsingh	India	Record daily precipitation	60.7 mm (2.4 in)	25 of 100 (Routine)
Jullundar	India	Record daily precipitation	37.1 mm (1.5 in)	25 of 100 (Routine)
Arni	India	Record daily precipitation	101.6 mm (4.0 in)	25 of 100 (Routine)
Chhata	India	Record daily precipitation	36.1 mm (1.4 in)	25 of 100 (Routine)
Telluride 4WNW	United States	Record high minimum temperature	8.9 C (48.0 F)	25 of 100 (Routine)
Jackson 3 NW	United States	Record low maximum temperature	11.1 C (52.0 F)	25 of 100 (Routine)
Mat	India	Record daily precipitation	33.0 mm (1.3 in)	24 of 100 (Routine)
Basaunti	India	Record daily precipitation	33.0 mm (1.3 in)	24 of 100 (Routine)
Mammoth Spring	United States	Record low minimum temperature	0.0 C (32.0 F)	24 of 100 (Routine)
Murfreesboro 5 N	United States	Record low minimum temperature	1.1 C (34.0 F)	24 of 100 (Routine)
Niulii 179	United States	Record low minimum temperature	18.3 C (64.9 F)	24 of 100 (Routine)
Bryn Euryn	Australia	Record daily precipitation	51.1 mm (2.0 in)	23 of 100 (Routine)
Gauhati Obsy	India	Record daily precipitation	43.9 mm (1.7 in)	23 of 100 (Routine)
Kulithalai	India	Record daily precipitation	69.9 mm (2.8 in)	23 of 100 (Routine)
Marre-Sale	Russia	Record low minimum temperature	-8.6 C (16.5 F)	23 of 100 (Routine)
Cuyamaca	United States	Record low minimum temperature	-0.6 C (30.9 F)	23 of 100 (Routine)
Bolivar Wtr Wks	United States	Record low minimum temperature	-1.1 C (30.0 F)	23 of 100 (Routine)
Coldwater	United States	Record low minimum temperature	1.1 C (34.0 F)	23 of 100 (Routine)
Charleston 1	United States	Record low maximum temperature	11.7 C (53.1 F)	23 of 100 (Routine)
Tyler Pounds Fld	United States	Record low minimum temperature	7.2 C (45.0 F)	23 of 100 (Routine)
Mount Gambier Post Office	Australia	Record high maximum temperature	26.8 C (80.2 F)	22 of 100 (Routine)
Caguas	Puerto Rico [United States]	Record low minimum temperature	16.1 C (61.0 F)	22 of 100 (Routine)
Clanton	United States	Record low minimum temperature	5.0 C (41.0 F)	22 of 100 (Routine)
Fairhope 2 NE	United States	Record low minimum temperature	7.8 C (46.0 F)	22 of 100 (Routine)
Anchorage	United States	Record low minimum temperature	-1.1 C (30.0 F)	22 of 100 (Routine)
Winthrop 1 WSW	United States	Record high minimum temperature	12.2 C (54.0 F)	22 of 100 (Routine)
Bowling Green Warren Co AP	United States	Record low minimum temperature	0.6 C (33.1 F)	22 of 100 (Routine)
Le Bourget	France	Record high minimum temperature	16.4 C (61.5 F)	21 of 100 (Routine)
Shivpuri	India	Record daily precipitation	29.5 mm (1.2 in)	21 of 100 (Routine)
Baroda	India	Record daily precipitation	38.1 mm (1.5 in)	21 of 100 (Routine)
Irkutsk	Russia	Record high minimum temperature	6.8 C (44.2 F)	21 of 100 (Routine)
Greenville Wtp	United States	Record low minimum temperature	-1.1 C (30.0 F)	21 of 100 (Routine)

Counts by Type and Timescale

366 records

Records set or tied on 30 September 1949 by type: Highest daily maximum 11, Lowest daily maximum 25, Highest daily minimum 85, Lowest daily minimum 129, Heaviest daily rainfall 116.

Records on 30 September 1949 by type
Record type	Records
Highest daily maximum	11
Lowest daily maximum	25
Highest daily minimum	85
Lowest daily minimum	129
Heaviest daily rainfall	116
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 September 1949 by timescale: all-time 0, monthly 37, daily 329.

How Much Records Were Beaten By

266 broken records

Margins by which the 266 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 71.1. Ties are not counted.

Top 20 by Significance

30 September 1949

Top 20 records on 30 September 1949 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 September 1949	Yallaroi, AU	daily rain	46.7 mm (1.8 in)	37.0 mm (1.5 in)	60 years	65 of 100 (Major)
30 September 1949	Palma 2 NE, US	daily rain	44.5 mm (1.8 in)	36.9 mm (1.5 in)	19 years	49 of 100 (Notable)
30 September 1949	Bedetti(Behali), IN	daily rain	121.9 mm (4.8 in)	71.1 mm (2.8 in)	2 years	39 of 100 (Notable)
30 September 1949	Kurwai, IN	daily rain	53.3 mm (2.1 in)	48.5 mm (1.9 in)	44 years	39 of 100 (Notable)
30 September 1949	Upper Shillong, IN	daily rain	106.2 mm (4.2 in)	46.5 mm (1.8 in)	43 years	37 of 100 (Notable)
30 September 1949	Ashton 1N, US	daily rain	33.0 mm (1.3 in)	17.8 mm (0.7 in)	23 years	37 of 100 (Notable)
30 September 1949	Sepao, IN	daily rain	77.5 mm (3.1 in)	67.8 mm (2.7 in)	26 years	36 of 100 (Notable)
30 September 1949	Lake Yellowstone, US	daily rain	26.4 mm (1.0 in)	11.2 mm (0.4 in)	42 years	36 of 100 (Notable)
30 September 1949	Maihar, IN	daily rain	89.9 mm (3.5 in)	46.0 mm (1.8 in)	26 years	33 of 100 (Routine)
30 September 1949	Fatehabad, IN	daily rain	55.9 mm (2.2 in)	39.6 mm (1.6 in)	38 years	32 of 100 (Routine)
30 September 1949	Lahar, IN	daily rain	39.4 mm (1.6 in)	39.4 mm (1.6 in)	43 years	31 of 100 (Routine)
30 September 1949	Tibri, IN	daily rain	35.6 mm (1.4 in)	35.6 mm (1.4 in)	48 years	31 of 100 (Routine)
30 September 1949	Melur, IN	daily rain	68.3 mm (2.7 in)	23.8 mm (0.9 in)	44 years	30 of 100 (Routine)
30 September 1949	Bateman Rch, US	daily rain	27.9 mm (1.1 in)	18.5 mm (0.7 in)	19 years	30 of 100 (Routine)
30 September 1949	Busselton Shire, AU	daily rain	26.4 mm (1.0 in)	10.9 mm (0.4 in)	12 years	29 of 100 (Routine)
30 September 1949	Helwan (Cairo), EG	monthly low min	15.0 C (59.0 F)	0.5 C (0.9 F)	43 years	29 of 100 (Routine)
30 September 1949	Mangaldai, IN	daily rain	44.5 mm (1.8 in)	22.9 mm (0.9 in)	43 years	28 of 100 (Routine)
30 September 1949	Charduar, IN	daily rain	99.1 mm (3.9 in)	46.8 mm (1.8 in)	18 years	28 of 100 (Routine)
30 September 1949	Bijeraghogarh, IN	daily rain	76.2 mm (3.0 in)	44.4 mm (1.7 in)	26 years	28 of 100 (Routine)
30 September 1949	Experiment, US	monthly low min	5.6 C (42.1 F)	0.5 C (0.9 F)	40 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

1806 to 1949

Records set or tied on this calendar date in each year from 1806 to 1949. 1949 had 366 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 1949-09-30: 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	213
10 to 20	27
20 to 30	8
30 to 40	8
40 to 50	7
50 to 60	1
60 to 70	1
70 to 80	1