Weather Records on 2 September 1977

589 weather records were set or tied worldwide on 2 September 1977. Highest significance: Laguna de Sanchez, MX.

Key Facts for 2 September 1977

On 2 September 1977, 589 weather records were set or tied at long-record stations worldwide.
158 were record highs and 141 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 15 monthly and 571 daily.
Laguna de Sanchez set an all-time record daily precipitation of 259.8 mm (10.2 in) on 2 September 1977.
Across 167 earlier years (1797 to 2026) the same calendar date averaged 436 records.

Record Map

589 stations

589 station records on 2 September 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 2 September 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Laguna de Sanchez	Mexico	Record daily precipitation	259.8 mm (10.2 in)	65 of 100 (Major)
El Vado Dam	United States	Record daily precipitation	44.5 mm (1.8 in)	59 of 100 (Notable)
El Morro Natl Mon	United States	Record daily precipitation	25.4 mm (1.0 in)	55 of 100 (Notable)
Ariri	Brazil	Record daily precipitation	188.8 mm (7.4 in)	53 of 100 (Notable)
Tototlan	Mexico	Record daily precipitation	77.5 mm (3.1 in)	53 of 100 (Notable)
Atwood	United States	Record daily precipitation	104.4 mm (4.1 in)	52 of 100 (Notable)
Bologna	Italy	Record daily precipitation	36.6 mm (1.4 in)	51 of 100 (Notable)
Tombstone	United States	Record daily precipitation	39.4 mm (1.6 in)	51 of 100 (Notable)
Plattsburgh AFB	United States	Record daily precipitation	45.7 mm (1.8 in)	51 of 100 (Notable)
Ft Myers Page Fld AP	United States	Record low maximum temperature	25.6 C (78.1 F)	51 of 100 (Notable)
Ciudad del Maiz (Smn)	Mexico	Record daily precipitation	175.8 mm (6.9 in)	49 of 100 (Notable)
W Palm Beach Intl AP	United States	Record daily precipitation	110.2 mm (4.3 in)	49 of 100 (Notable)
Iturbide	Mexico	Record daily precipitation	110.0 mm (4.3 in)	48 of 100 (Notable)
Santa Rita Do Jacutinga	Brazil	Record daily precipitation	48.0 mm (1.9 in)	47 of 100 (Notable)
Usina Itatinga	Brazil	Record daily precipitation	128.2 mm (5.0 in)	47 of 100 (Notable)
Lagarto	Brazil	Record daily precipitation	41.0 mm (1.6 in)	47 of 100 (Notable)
Ciudad Victoria	Mexico	Record daily precipitation	142.0 mm (5.6 in)	47 of 100 (Notable)
Corning	United States	Record daily precipitation	69.9 mm (2.8 in)	46 of 100 (Notable)
Trenton Dam 1N	United States	Record daily precipitation	53.3 mm (2.1 in)	46 of 100 (Notable)
Nappa Merrie	Australia	Record daily precipitation	28.0 mm (1.1 in)	45 of 100 (Notable)
Rayones	Mexico	Record daily precipitation	116.3 mm (4.6 in)	45 of 100 (Notable)
Buenavista	Mexico	Record daily precipitation	89.4 mm (3.5 in)	44 of 100 (Notable)
Santana Do Jacare	Brazil	Record daily precipitation	42.0 mm (1.7 in)	43 of 100 (Notable)
Uruapan (Smn)	Mexico	Record daily precipitation	106.9 mm (4.2 in)	43 of 100 (Notable)
Cardenas (Smn)	Mexico	Record daily precipitation	95.0 mm (3.7 in)	43 of 100 (Notable)
Saint Paul Is AP	United States	Record high maximum temperature	15.0 C (59.0 F)	41 of 100 (Notable)
Ponte Alta 1	Brazil	Record daily precipitation	58.6 mm (2.3 in)	40 of 100 (Notable)
Moura Brasil	Brazil	Record daily precipitation	34.6 mm (1.4 in)	39 of 100 (Notable)
Fazenda Sao Gabriel	Brazil	Record daily precipitation	43.0 mm (1.7 in)	39 of 100 (Notable)
Cumberland	United States	Record daily precipitation	83.8 mm (3.3 in)	39 of 100 (Notable)
Bourke Post Office	Australia	Record high minimum temperature	15.0 C (59.0 F)	38 of 100 (Notable)
Santa Catarina	Mexico	Record daily precipitation	80.0 mm (3.1 in)	38 of 100 (Notable)
Melbourne WFO	United States	Record daily precipitation	59.7 mm (2.4 in)	38 of 100 (Notable)
Tepacaltepec	Mexico	Record daily precipitation	52.8 mm (2.1 in)	37 of 100 (Notable)
Lagoa Grande (Mmv)	Brazil	Record daily precipitation	38.2 mm (1.5 in)	36 of 100 (Notable)
Ferrara	Italy	Record daily precipitation	42.2 mm (1.7 in)	35 of 100 (Notable)
Akjoujt	Mauritania	Record high minimum temperature	36.0 C (96.8 F)	35 of 100 (Notable)
Ameca	Mexico	Record daily precipitation	49.3 mm (1.9 in)	35 of 100 (Notable)
Apatzingan (Smn)	Mexico	Record daily precipitation	41.9 mm (1.6 in)	35 of 100 (Notable)
Tanhuato (Smn)	Mexico	Record daily precipitation	59.9 mm (2.4 in)	35 of 100 (Notable)
Mesa	United States	Record high minimum temperature	26.7 C (80.1 F)	35 of 100 (Notable)
Melbourne Regional Office	Australia	Record low maximum temperature	10.7 C (51.3 F)	34 of 100 (Routine)
Pedra Selada (Pcd)	Brazil	Record daily precipitation	35.8 mm (1.4 in)	34 of 100 (Routine)
Panuco (Smn)	Mexico	Record daily precipitation	120.9 mm (4.8 in)	34 of 100 (Routine)
Ft Pierce	United States	Record daily precipitation	69.9 mm (2.8 in)	34 of 100 (Routine)
Casa Grande	Brazil	Record daily precipitation	47.0 mm (1.9 in)	33 of 100 (Routine)
Arteaga (Smn)	Mexico	Record daily precipitation	49.8 mm (2.0 in)	33 of 100 (Routine)
Zacatecas (Smn)	Mexico	Record daily precipitation	30.0 mm (1.2 in)	33 of 100 (Routine)
Tavernier	United States	Record daily precipitation	77.0 mm (3.0 in)	33 of 100 (Routine)
Dannemora	United States	Record daily precipitation	49.0 mm (1.9 in)	33 of 100 (Routine)
Forman 5 SSE	United States	Record low maximum temperature	12.8 C (55.0 F)	33 of 100 (Routine)
Weslaco	United States	Record daily precipitation	58.4 mm (2.3 in)	33 of 100 (Routine)
Selemdza	Russia	Record daily precipitation	27.9 mm (1.1 in)	32 of 100 (Routine)
Gran Quivira Natl Mon	United States	Record daily precipitation	42.4 mm (1.7 in)	32 of 100 (Routine)
Cosmorama	Brazil	Record daily precipitation	36.9 mm (1.5 in)	31 of 100 (Routine)
Oujda	Morocco	Record low minimum temperature	8.0 C (46.4 F)	31 of 100 (Routine)
Shawnigan Lake	Canada	Record low maximum temperature	13.9 C (57.0 F)	30 of 100 (Routine)
Clifton	United States	Record low maximum temperature	26.7 C (80.1 F)	30 of 100 (Routine)
Fellsmere 7 SSW	United States	Record low maximum temperature	28.3 C (82.9 F)	30 of 100 (Routine)
Haverhill	United States	Record high minimum temperature	21.7 C (71.1 F)	30 of 100 (Routine)

Counts by Type and Timescale

589 records

Records set or tied on 2 September 1977 by type: Highest daily maximum 28, Lowest daily maximum 107, Highest daily minimum 130, Lowest daily minimum 34, Heaviest daily rainfall 290.

Records on 2 September 1977 by type
Record type	Records
Highest daily maximum	28
Lowest daily maximum	107
Highest daily minimum	130
Lowest daily minimum	34
Heaviest daily rainfall	290
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 2 September 1977 by timescale: all-time 3, monthly 15, daily 571.

How Much Records Were Beaten By

483 broken records

Margins by which the 483 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 149.9. Ties are not counted.

Top 20 by Significance

2 September 1977

Top 20 records on 2 September 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
2 September 1977	Laguna de Sanchez, MX	all-time rain	259.8 mm (10.2 in)	89.9 mm (3.5 in)	9 years	65 of 100 (Major)
2 September 1977	El Vado Dam, US	daily rain	44.5 mm (1.8 in)	31.8 mm (1.3 in)	40 years	59 of 100 (Notable)
2 September 1977	El Morro Natl Mon, US	daily rain	25.4 mm (1.0 in)	22.6 mm (0.9 in)	36 years	55 of 100 (Notable)
2 September 1977	Ariri, BR	monthly rain	188.8 mm (7.4 in)	55.8 mm (2.2 in)	0 years	53 of 100 (Notable)
2 September 1977	Tototlan, MX	daily rain	77.5 mm (3.1 in)	54.6 mm (2.1 in)	34 years	53 of 100 (Notable)
2 September 1977	Atwood, US	all-time rain	104.4 mm (4.1 in)	15.5 mm (0.6 in)	48 years	52 of 100 (Notable)
2 September 1977	Bologna, IT	daily rain	36.6 mm (1.4 in)	13.6 mm (0.5 in)	121 years	51 of 100 (Notable)
2 September 1977	Tombstone, US	daily rain	39.4 mm (1.6 in)	20.1 mm (0.8 in)	72 years	51 of 100 (Notable)
2 September 1977	Plattsburgh AFB, US	daily rain	45.7 mm (1.8 in)	19.5 mm (0.8 in)	77 years	51 of 100 (Notable)
2 September 1977	Ft Myers Page Fld AP, US	daily low max	25.6 C (78.1 F)	3.3 C (5.9 F)	84 years	51 of 100 (Notable)
2 September 1977	Ciudad del Maiz (Smn), MX	daily rain	175.8 mm (6.9 in)	149.9 mm (5.9 in)	14 years	49 of 100 (Notable)
2 September 1977	W Palm Beach Intl AP, US	daily rain	110.2 mm (4.3 in)	86.6 mm (3.4 in)	19 years	49 of 100 (Notable)
2 September 1977	Iturbide, MX	daily rain	110.0 mm (4.3 in)	95.0 mm (3.7 in)	16 years	48 of 100 (Notable)
2 September 1977	Santa Rita Do Jacutinga, BR	daily rain	48.0 mm (1.9 in)	28.0 mm (1.1 in)	16 years	47 of 100 (Notable)
2 September 1977	Usina Itatinga, BR	daily rain	128.2 mm (5.0 in)	85.1 mm (3.4 in)	12 years	47 of 100 (Notable)
2 September 1977	Lagarto, BR	daily rain	41.0 mm (1.6 in)	21.0 mm (0.8 in)	36 years	47 of 100 (Notable)
2 September 1977	Ciudad Victoria, MX	daily rain	142.0 mm (5.6 in)	123.0 mm (4.8 in)	22 years	47 of 100 (Notable)
2 September 1977	Corning, US	daily rain	69.9 mm (2.8 in)	31.3 mm (1.2 in)	64 years	46 of 100 (Notable)
2 September 1977	Trenton Dam 1N, US	daily rain	53.3 mm (2.1 in)	41.9 mm (1.6 in)	4 years	46 of 100 (Notable)
2 September 1977	Nappa Merrie, AU	daily rain	28.0 mm (1.1 in)	27.7 mm (1.1 in)	30 years	45 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

1797 to 1977

Records set or tied on this calendar date in each year from 1797 to 1977. 1977 had 589 records.

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

Records on 09-02 in each year
Year	Records
1797	1
1800	1
1802	1
1808	1
1838	1
1841	1
1843	1
1850	1
1854	1
1855	1
1857	1
1860	3
1861	1
1864	1
1867	2
1869	2
1870	1
1871	2
1872	1
1875	1
1876	1
1877	3
1878	2
1879	1
1881	1
1883	1
1884	1
1885	4
1886	5
1888	1
1889	2
1890	5
1891	1
1892	5
1893	3
1894	4
1895	3
1896	4
1897	4
1898	8
1899	10
1900	3
1901	4
1902	5
1903	13
1904	6
1905	14
1906	25
1907	11
1908	58
1909	35
1910	13
1911	82
1912	37
1913	37
1914	16
1915	38
1916	26
1917	20
1918	31
1919	17
1920	39
1921	85
1922	46
1923	75
1924	212
1925	147
1926	215
1927	71
1928	203
1929	322
1930	194
1931	305
1932	473
1933	427
1934	537
1935	602
1936	391
1937	905
1938	376
1939	439
1940	224
1941	467
1942	389
1943	336
1944	353
1945	392
1946	635
1947	1,147
1948	431
1949	563
1950	745
1951	515
1952	698
1953	1,153
1954	721
1955	501
1956	440
1957	385
1958	348
1959	534
1960	448
1961	839
1962	318
1963	272
1964	679
1965	440
1966	362
1967	1,213
1968	493
1969	465
1970	553
1971	521
1972	743
1973	1,148
1974	1,294
1975	519
1976	835
1977	589
1978	484
1979	647
1980	697
1981	521
1982	672
1983	1,076
1984	598
1985	714
1986	860
1987	915
1988	1,284
1989	659
1990	675
1991	807
1992	1,117
1993	1,405
1994	1,291
1995	1,143
1996	604
1997	1,547
1998	1,263
1999	912
2000	1,931
2001	981
2002	805
2003	1,310
2004	679
2005	623
2006	1,238
2007	1,086
2008	1,229
2009	706
2010	1,081
2011	1,265
2012	885
2013	717
2014	650
2015	661
2016	621
2017	1,047
2018	473
2019	789
2020	701
2021	742
2022	991
2023	707
2024	923
2025	431
2026	866

Download the Data

Data for records on 1977-09-02: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	421
20 to 40	41
40 to 60	9
60 to 80	4
80 to 100	5
100 to 120	1
120 to 140	1
140 to 160	1