Weather Records on 16 September 1991

1,367 weather records were set or tied worldwide on 16 September 1991. Highest significance: Grafton, US.

Key Facts for 16 September 1991

On 16 September 1991, 1,367 weather records were set or tied at long-record stations worldwide.
860 were record highs and 236 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 43 monthly and 1,323 daily.
Grafton set a daily record precipitation of 81.8 mm (3.2 in) on 16 September 1991.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 408 records.

Record Map

1,367 stations

1,367 station records on 16 September 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 16 September 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Grafton	United States	Record daily precipitation	81.8 mm (3.2 in)	63 of 100 (Major)
Macclesfield	Australia	Record daily precipitation	47.0 mm (1.9 in)	56 of 100 (Notable)
Larimore 4SW	United States	Record daily precipitation	63.8 mm (2.5 in)	55 of 100 (Notable)
Zverinogolovskaja	Russia	Record daily precipitation	29.8 mm (1.2 in)	53 of 100 (Notable)
La Junta	Mexico	Record daily precipitation	47.8 mm (1.9 in)	52 of 100 (Notable)
Villa Obregon	Mexico	Record daily precipitation	129.8 mm (5.1 in)	52 of 100 (Notable)
Caribou 2 S	United States	Record daily precipitation	55.9 mm (2.2 in)	49 of 100 (Notable)
Petersburg 2 N	United States	Record daily precipitation	47.5 mm (1.9 in)	49 of 100 (Notable)
Verhnjaja Gutara	Russia	Record daily precipitation	34.7 mm (1.4 in)	48 of 100 (Notable)
Kwajalein	Marshall Islands	Record daily precipitation	110.5 mm (4.4 in)	47 of 100 (Notable)
Leech Lake	United States	Record daily precipitation	34.5 mm (1.4 in)	47 of 100 (Notable)
Westfield 2 SSE	United States	Record high minimum temperature	23.9 C (75.0 F)	47 of 100 (Notable)
Warroad	United States	Record daily precipitation	50.0 mm (2.0 in)	45 of 100 (Notable)
Mc Ville	United States	Record daily precipitation	57.2 mm (2.3 in)	45 of 100 (Notable)
Lida	Belarus	Record daily precipitation	26.0 mm (1.0 in)	44 of 100 (Notable)
Warsaw	United States	Record high minimum temperature	22.2 C (72.0 F)	44 of 100 (Notable)
Pontiac Wwtp	United States	Record high minimum temperature	26.1 C (79.0 F)	44 of 100 (Notable)
Lake Placid 2 S	United States	Record daily precipitation	61.2 mm (2.4 in)	44 of 100 (Notable)
Watertown Wwtp	United States	Record daily precipitation	34.8 mm (1.4 in)	43 of 100 (Notable)
Baudette	United States	Record daily precipitation	54.6 mm (2.1 in)	42 of 100 (Notable)
Ashland	United States	Record high maximum temperature	34.4 C (93.9 F)	41 of 100 (Notable)
Barra Do Cuiete-Jusante	Brazil	Record daily precipitation	45.6 mm (1.8 in)	40 of 100 (Notable)
Arcade	United States	Record high maximum temperature	31.7 C (89.1 F)	40 of 100 (Notable)
Clarksville Wwtp	United States	Record high minimum temperature	22.8 C (73.0 F)	40 of 100 (Notable)
Marion 2 N	United States	Record high minimum temperature	22.2 C (72.0 F)	39 of 100 (Notable)
Detour Village	United States	Record high minimum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
Tiffin	United States	Record high minimum temperature	23.3 C (73.9 F)	39 of 100 (Notable)
Norman 3SSE	United States	Record daily precipitation	94.7 mm (3.7 in)	39 of 100 (Notable)
Hamburg	United States	Record high maximum temperature	34.4 C (93.9 F)	39 of 100 (Notable)
Ciudad Altamirano	Mexico	Record low maximum temperature	25.0 C (77.0 F)	38 of 100 (Notable)
Tuscola	United States	Record high minimum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Madison Sewage Plt	United States	Record high minimum temperature	22.2 C (72.0 F)	38 of 100 (Notable)
Gaylord	United States	Record high minimum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
Westfield 2 SSE	United States	Record high maximum temperature	31.7 C (89.1 F)	38 of 100 (Notable)
Norwalk Wwtp	United States	Record high minimum temperature	22.8 C (73.0 F)	38 of 100 (Notable)
Upper Swan Research Station	Australia	Record daily precipitation	34.0 mm (1.3 in)	37 of 100 (Notable)
Hawkinsville	United States	Record high minimum temperature	23.9 C (75.0 F)	37 of 100 (Notable)
Union	United States	Record daily precipitation	37.6 mm (1.5 in)	37 of 100 (Notable)
Defiance	United States	Record high minimum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Renovo	United States	Record high minimum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Lake Mills Wwtp	United States	Record daily precipitation	44.2 mm (1.7 in)	37 of 100 (Notable)
Pabellon Campo Experimental	Mexico	Record daily precipitation	51.8 mm (2.0 in)	36 of 100 (Notable)
Galeana	Mexico	Record daily precipitation	45.0 mm (1.8 in)	36 of 100 (Notable)
San Jeronimito	Mexico	Record low maximum temperature	25.0 C (77.0 F)	36 of 100 (Notable)
Calera	Mexico	Record low maximum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Huajintlan	Mexico	Record daily precipitation	39.9 mm (1.6 in)	36 of 100 (Notable)
Chestertown	United States	Record high minimum temperature	22.2 C (72.0 F)	36 of 100 (Notable)
Brockport	United States	Record high maximum temperature	32.2 C (90.0 F)	36 of 100 (Notable)
Hooker 12 NNW	United States	Record daily precipitation	35.6 mm (1.4 in)	36 of 100 (Notable)
Loop	United States	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Bowling Green Warren Co AP	United States	Record high minimum temperature	23.3 C (73.9 F)	36 of 100 (Notable)
Tewantin Post Office	Australia	Record high maximum temperature	33.3 C (91.9 F)	35 of 100 (Notable)
La Union	Mexico	Record low maximum temperature	25.0 C (77.0 F)	35 of 100 (Notable)
El Platanito	Mexico	Record low maximum temperature	21.1 C (70.0 F)	35 of 100 (Notable)
Monticello	United States	Record high minimum temperature	23.3 C (73.9 F)	35 of 100 (Notable)
Roseau	United States	Record daily precipitation	36.8 mm (1.4 in)	35 of 100 (Notable)
Valley Park	United States	Record daily precipitation	29.5 mm (1.2 in)	35 of 100 (Notable)
Glendive	United States	Record daily precipitation	36.3 mm (1.4 in)	35 of 100 (Notable)
Langtry	United States	Record daily precipitation	33.5 mm (1.3 in)	35 of 100 (Notable)
Newark Liberty Intl AP	United States	Record high maximum temperature	35.0 C (95.0 F)	35 of 100 (Notable)

Counts by Type and Timescale

1,367 records

Records set or tied on 16 September 1991 by type: Highest daily maximum 362, Lowest daily maximum 143, Highest daily minimum 498, Lowest daily minimum 93, Heaviest daily rainfall 271.

Records on 16 September 1991 by type
Record type	Records
Highest daily maximum	362
Lowest daily maximum	143
Highest daily minimum	498
Lowest daily minimum	93
Heaviest daily rainfall	271
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 16 September 1991 by timescale: all-time 1, monthly 43, daily 1,323.

How Much Records Were Beaten By

1,007 broken records

Margins by which the 1,007 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 90.9. Ties are not counted.

Top 20 by Significance

16 September 1991

Top 20 records on 16 September 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
16 September 1991	Grafton, US	daily rain	81.8 mm (3.2 in)	48.3 mm (1.9 in)	60 years	63 of 100 (Major)
16 September 1991	Macclesfield, AU	daily rain	47.0 mm (1.9 in)	18.8 mm (0.7 in)	65 years	56 of 100 (Notable)
16 September 1991	Larimore 4SW, US	daily rain	63.8 mm (2.5 in)	38.9 mm (1.5 in)	60 years	55 of 100 (Notable)
16 September 1991	Zverinogolovskaja, RU	daily rain	29.8 mm (1.2 in)	15.5 mm (0.6 in)	40 years	53 of 100 (Notable)
16 September 1991	La Junta, MX	daily rain	47.8 mm (1.9 in)	22.9 mm (0.9 in)	64 years	52 of 100 (Notable)
16 September 1991	Villa Obregon, MX	daily rain	129.8 mm (5.1 in)	90.9 mm (3.6 in)	26 years	52 of 100 (Notable)
16 September 1991	Caribou 2 S, US	daily rain	55.9 mm (2.2 in)	40.2 mm (1.6 in)	22 years	49 of 100 (Notable)
16 September 1991	Petersburg 2 N, US	daily rain	47.5 mm (1.9 in)	23.9 mm (0.9 in)	60 years	49 of 100 (Notable)
16 September 1991	Verhnjaja Gutara, RU	daily rain	34.7 mm (1.4 in)	17.4 mm (0.7 in)	29 years	48 of 100 (Notable)
16 September 1991	Kwajalein, MH	daily rain	110.5 mm (4.4 in)	70.6 mm (2.8 in)	12 years	47 of 100 (Notable)
16 September 1991	Leech Lake, US	daily rain	34.5 mm (1.4 in)	10.4 mm (0.4 in)	91 years	47 of 100 (Notable)
16 September 1991	Westfield 2 SSE, US	daily high min	23.9 C (75.0 F)	4.5 C (8.1 F)	93 years	47 of 100 (Notable)
16 September 1991	Warroad, US	daily rain	50.0 mm (2.0 in)	13.9 mm (0.5 in)	76 years	45 of 100 (Notable)
16 September 1991	Mc Ville, US	daily rain	57.2 mm (2.3 in)	44.0 mm (1.7 in)	25 years	45 of 100 (Notable)
16 September 1991	Lida, BY	daily rain	26.0 mm (1.0 in)	20.7 mm (0.8 in)	17 years	44 of 100 (Notable)
16 September 1991	Warsaw, US	daily high min	22.2 C (72.0 F)	3.9 C (7.0 F)	93 years	44 of 100 (Notable)
16 September 1991	Pontiac Wwtp, US	monthly high min	26.1 C (79.0 F)	2.8 C (5.0 F)	68 years	44 of 100 (Notable)
16 September 1991	Lake Placid 2 S, US	daily rain	61.2 mm (2.4 in)	19.3 mm (0.8 in)	54 years	44 of 100 (Notable)
16 September 1991	Watertown Wwtp, US	daily rain	34.8 mm (1.4 in)	17.3 mm (0.7 in)	76 years	43 of 100 (Notable)
16 September 1991	Baudette, US	daily rain	54.6 mm (2.1 in)	27.9 mm (1.1 in)	5 years	42 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

1793 to 1991

Records set or tied on this calendar date in each year from 1793 to 1991. 1991 had 1,367 records.

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

Records on 09-16 in each year
Year	Records
1793	1
1796	1
1807	1
1809	1
1823	2
1828	1
1829	1
1833	1
1837	1
1845	1
1847	1
1848	2
1850	1
1852	1
1854	2
1857	1
1861	1
1865	1
1866	1
1867	1
1869	1
1873	1
1874	3
1875	2
1877	4
1879	1
1882	1
1884	2
1885	5
1886	1
1887	2
1888	1
1889	9
1890	1
1892	2
1893	2
1894	1
1895	2
1896	3
1897	2
1898	6
1899	4
1900	5
1901	7
1902	3
1903	18
1904	5
1905	9
1906	12
1907	14
1908	15
1909	18
1910	26
1911	18
1912	58
1913	43
1914	35
1915	50
1916	60
1917	180
1918	125
1919	26
1920	164
1921	62
1922	147
1923	151
1924	77
1925	212
1926	116
1927	382
1928	62
1929	121
1930	235
1931	568
1932	533
1933	321
1934	519
1935	303
1936	442
1937	536
1938	296
1939	666
1940	188
1941	319
1942	504
1943	270
1944	284
1945	390
1946	610
1947	763
1948	541
1949	486
1950	506
1951	290
1952	378
1953	317
1954	554
1955	490
1956	605
1957	500
1958	538
1959	983
1960	235
1961	833
1962	479
1963	491
1964	859
1965	1,159
1966	838
1967	427
1968	496
1969	360
1970	627
1971	617
1972	451
1973	608
1974	385
1975	836
1976	878
1977	577
1978	421
1979	1,025
1980	568
1981	765
1982	863
1983	814
1984	898
1985	539
1986	862
1987	783
1988	786
1989	854
1990	593
1991	1,367
1992	1,073
1993	1,542
1994	1,008
1995	976
1996	1,403
1997	1,028
1998	1,466
1999	879
2000	1,315
2001	819
2002	1,117
2003	627
2004	746
2005	1,112
2006	1,274
2007	895
2008	1,000
2009	754
2010	880
2011	1,265
2012	572
2013	673
2014	490
2015	926
2016	767
2017	583
2018	921
2019	742
2020	674
2021	454
2022	521
2023	568
2024	885
2025	578
2026	920

Download the Data

Data for records on 1991-09-16: 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	975
20 to 40	24
40 to 60	6
60 to 80	1
80 to 100	1