Weather Records on 15 September 1997

1,177 weather records were set or tied worldwide on 15 September 1997. Highest significance: Faulkton, US.

Key Facts for 15 September 1997

On 15 September 1997, 1,177 weather records were set or tied at long-record stations worldwide.
519 were record highs and 300 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 23 monthly and 1,153 daily.
Faulkton set a daily record precipitation of 88.9 mm (3.5 in) on 15 September 1997.
Across 170 earlier years (1797 to 2026) the same calendar date averaged 408 records.

Record Map

1,177 stations

1,177 station records on 15 September 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 September 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Faulkton	United States	Record daily precipitation	88.9 mm (3.5 in)	80 of 100 (Exceptional)
Cluj Napoca	Romania	Record daily precipitation	38.0 mm (1.5 in)	63 of 100 (Major)
Evangelista de Souza	Brazil	Record daily precipitation	79.5 mm (3.1 in)	58 of 100 (Notable)
Juquitiba	Brazil	Record daily precipitation	81.0 mm (3.2 in)	56 of 100 (Notable)
Naze	Japan	Record daily precipitation	255.0 mm (10.0 in)	54 of 100 (Notable)
Kanab	United States	Record daily precipitation	50.0 mm (2.0 in)	54 of 100 (Notable)
Kawaihapai 841	United States	Record daily precipitation	33.0 mm (1.3 in)	54 of 100 (Notable)
Iroquois	United States	Record daily precipitation	80.0 mm (3.1 in)	53 of 100 (Notable)
Itapeuna	Brazil	Record daily precipitation	53.8 mm (2.1 in)	52 of 100 (Notable)
Leech Lake	United States	Record daily precipitation	27.9 mm (1.1 in)	51 of 100 (Notable)
Tropic	United States	Record daily precipitation	32.5 mm (1.3 in)	51 of 100 (Notable)
Guanhanha	Brazil	Record daily precipitation	51.0 mm (2.0 in)	50 of 100 (Notable)
Logan Utah St UNIV	United States	Record high minimum temperature	20.6 C (69.1 F)	49 of 100 (Notable)
Fazenda Santa Maria	Brazil	Record daily precipitation	63.5 mm (2.5 in)	48 of 100 (Notable)
Ouro Leve	Brazil	Record daily precipitation	63.7 mm (2.5 in)	48 of 100 (Notable)
Tg Jiu	Romania	Record daily precipitation	63.1 mm (2.5 in)	48 of 100 (Notable)
Gold Beach Rs	United States	Record daily precipitation	75.2 mm (3.0 in)	47 of 100 (Notable)
Boulder	United States	Record daily precipitation	26.4 mm (1.0 in)	47 of 100 (Notable)
Capela Do Porto	Brazil	Record daily precipitation	75.1 mm (3.0 in)	46 of 100 (Notable)
Ayutla	Mexico	Record low minimum temperature	15.0 C (59.0 F)	46 of 100 (Notable)
Miami Beach	United States	Record daily precipitation	128.3 mm (5.1 in)	45 of 100 (Notable)
Serrote	Brazil	Record daily precipitation	51.3 mm (2.0 in)	44 of 100 (Notable)
Eldorado	Brazil	Record daily precipitation	57.5 mm (2.3 in)	44 of 100 (Notable)
Klamath	United States	Record daily precipitation	63.5 mm (2.5 in)	44 of 100 (Notable)
Wentworth 2.5 WNW	United States	Record daily precipitation	40.6 mm (1.6 in)	43 of 100 (Notable)
Paradise Valley 1 NW	United States	Record low minimum temperature	-7.8 C (18.0 F)	42 of 100 (Notable)
Zion Np	United States	Record daily precipitation	38.1 mm (1.5 in)	42 of 100 (Notable)
Oakville	United States	Record daily precipitation	36.3 mm (1.4 in)	42 of 100 (Notable)
Salem AP (McNary Field)	United States	Record daily precipitation	30.5 mm (1.2 in)	42 of 100 (Notable)
La Verkin	United States	Record daily precipitation	26.9 mm (1.1 in)	41 of 100 (Notable)
Pedro Beicht	Brazil	Record daily precipitation	47.8 mm (1.9 in)	40 of 100 (Notable)
Ponta da Praia	Brazil	Record daily precipitation	59.5 mm (2.3 in)	40 of 100 (Notable)
N Bend SW Oregon Rgnl AP	United States	Record daily precipitation	42.9 mm (1.7 in)	40 of 100 (Notable)
Iporanga	Brazil	Record daily precipitation	59.3 mm (2.3 in)	39 of 100 (Notable)
Pedreira	Brazil	Record daily precipitation	36.0 mm (1.4 in)	39 of 100 (Notable)
Usina Americana (Cpfl)	Brazil	Record daily precipitation	42.6 mm (1.7 in)	39 of 100 (Notable)
Snowflake	United States	Record high minimum temperature	17.2 C (63.0 F)	39 of 100 (Notable)
Wickenburg	United States	Record high minimum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
Del Bonita	United States	Record daily precipitation	45.7 mm (1.8 in)	39 of 100 (Notable)
Balsa Do Cerro Azul	Brazil	Record daily precipitation	49.0 mm (1.9 in)	38 of 100 (Notable)
Registro	Brazil	Record daily precipitation	36.8 mm (1.4 in)	38 of 100 (Notable)
Jacupiranga	Brazil	Record daily precipitation	32.5 mm (1.3 in)	38 of 100 (Notable)
Gritador	Brazil	Record daily precipitation	58.1 mm (2.3 in)	38 of 100 (Notable)
Tanegashima	Japan	Record daily precipitation	316.0 mm (12.4 in)	38 of 100 (Notable)
Mellette 4 W	United States	Record daily precipitation	29.7 mm (1.2 in)	38 of 100 (Notable)
Elwha Rs	United States	Record daily precipitation	28.4 mm (1.1 in)	38 of 100 (Notable)
Martim Francisco	Brazil	Record daily precipitation	46.0 mm (1.8 in)	37 of 100 (Notable)
Monte Alegre Do Sul	Brazil	Record daily precipitation	45.3 mm (1.8 in)	37 of 100 (Notable)
Sete Barras	Brazil	Record daily precipitation	48.0 mm (1.9 in)	37 of 100 (Notable)
Prescott	United States	Record high minimum temperature	16.7 C (62.1 F)	37 of 100 (Notable)
Bayfield 6 N	United States	Record high maximum temperature	27.8 C (82.0 F)	37 of 100 (Notable)
Mombaca	Brazil	Record daily precipitation	62.3 mm (2.5 in)	36 of 100 (Notable)
Volta Ph	United States	Record daily precipitation	32.0 mm (1.3 in)	36 of 100 (Notable)
Huron Rgnl AP	United States	Record daily precipitation	34.3 mm (1.4 in)	36 of 100 (Notable)
Morro Do Chiqueiro	Brazil	Record daily precipitation	49.0 mm (1.9 in)	35 of 100 (Notable)
Recalque Abc	Brazil	Record daily precipitation	45.8 mm (1.8 in)	35 of 100 (Notable)
Ibiuna	Brazil	Record daily precipitation	49.5 mm (1.9 in)	35 of 100 (Notable)
Pedro de Toledo	Brazil	Record daily precipitation	33.3 mm (1.3 in)	35 of 100 (Notable)
Capitan Carlos Martinez de Pi	Peru	Record high minimum temperature	20.0 C (68.0 F)	35 of 100 (Notable)
Silver Creek Falls	United States	Record daily precipitation	63.5 mm (2.5 in)	35 of 100 (Notable)

Counts by Type and Timescale

1,177 records

Records set or tied on 15 September 1997 by type: Highest daily maximum 200, Lowest daily maximum 106, Highest daily minimum 319, Lowest daily minimum 194, Heaviest daily rainfall 358.

Records on 15 September 1997 by type
Record type	Records
Highest daily maximum	200
Lowest daily maximum	106
Highest daily minimum	319
Lowest daily minimum	194
Heaviest daily rainfall	358
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 September 1997 by timescale: all-time 1, monthly 23, daily 1,153.

How Much Records Were Beaten By

885 broken records

Margins by which the 885 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 195.9. Ties are not counted.

Top 20 by Significance

15 September 1997

Top 20 records on 15 September 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 September 1997	Faulkton, US	daily rain	88.9 mm (3.5 in)	59.4 mm (2.3 in)	100 years	80 of 100 (Exceptional)
15 September 1997	Cluj Napoca, RO	daily rain	38.0 mm (1.5 in)	25.5 mm (1.0 in)	68 years	63 of 100 (Major)
15 September 1997	Evangelista de Souza, BR	daily rain	79.5 mm (3.1 in)	44.2 mm (1.7 in)	56 years	58 of 100 (Notable)
15 September 1997	Juquitiba, BR	monthly rain	81.0 mm (3.2 in)	28.0 mm (1.1 in)	30 years	56 of 100 (Notable)
15 September 1997	Naze, JP	daily rain	255.0 mm (10.0 in)	195.9 mm (7.7 in)	36 years	54 of 100 (Notable)
15 September 1997	Kanab, US	daily rain	50.0 mm (2.0 in)	40.3 mm (1.6 in)	19 years	54 of 100 (Notable)
15 September 1997	Kawaihapai 841, US	daily rain	33.0 mm (1.3 in)	29.2 mm (1.1 in)	30 years	54 of 100 (Notable)
15 September 1997	Iroquois, US	monthly rain	80.0 mm (3.1 in)	27.4 mm (1.1 in)	31 years	53 of 100 (Notable)
15 September 1997	Itapeuna, BR	daily rain	53.8 mm (2.1 in)	40.2 mm (1.6 in)	24 years	52 of 100 (Notable)
15 September 1997	Leech Lake, US	daily rain	27.9 mm (1.1 in)	13.2 mm (0.5 in)	91 years	51 of 100 (Notable)
15 September 1997	Tropic, US	daily rain	32.5 mm (1.3 in)	14.5 mm (0.6 in)	87 years	51 of 100 (Notable)
15 September 1997	Guanhanha, BR	daily rain	51.0 mm (2.0 in)	36.8 mm (1.4 in)	24 years	50 of 100 (Notable)
15 September 1997	Logan Utah St UNIV, US	daily high min	20.6 C (69.1 F)	3.9 C (7.0 F)	100 years	49 of 100 (Notable)
15 September 1997	Fazenda Santa Maria, BR	daily rain	63.5 mm (2.5 in)	53.2 mm (2.1 in)	19 years	48 of 100 (Notable)
15 September 1997	Ouro Leve, BR	daily rain	63.7 mm (2.5 in)	28.7 mm (1.1 in)	52 years	48 of 100 (Notable)
15 September 1997	Tg Jiu, RO	daily rain	63.1 mm (2.5 in)	38.5 mm (1.5 in)	16 years	48 of 100 (Notable)
15 September 1997	Gold Beach Rs, US	daily rain	75.2 mm (3.0 in)	56.7 mm (2.2 in)	11 years	47 of 100 (Notable)
15 September 1997	Boulder, US	daily rain	26.4 mm (1.0 in)	22.3 mm (0.9 in)	38 years	47 of 100 (Notable)
15 September 1997	Capela Do Porto, BR	daily rain	75.1 mm (3.0 in)	58.2 mm (2.3 in)	8 years	46 of 100 (Notable)
15 September 1997	Ayutla, MX	daily low min	15.0 C (59.0 F)	3.9 C (7.0 F)	35 years	46 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 1997

Records set or tied on this calendar date in each year from 1797 to 1997. 1997 had 1,177 records.

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

Records on 09-15 in each year
Year	Records
1797	1
1803	1
1806	2
1810	1
1816	1
1818	1
1823	2
1833	1
1836	1
1837	2
1839	1
1841	1
1848	1
1850	1
1851	1
1854	2
1856	1
1857	1
1859	1
1864	1
1865	2
1866	1
1867	2
1868	1
1869	1
1872	1
1873	2
1876	2
1877	2
1880	1
1881	1
1882	6
1884	3
1885	4
1886	2
1887	3
1888	1
1889	5
1890	1
1894	4
1895	1
1897	1
1898	3
1899	3
1900	1
1901	12
1902	7
1903	31
1904	30
1905	16
1906	6
1907	7
1908	16
1909	16
1910	2
1911	40
1912	64
1913	43
1914	18
1915	94
1916	44
1917	50
1918	50
1919	52
1920	164
1921	122
1922	53
1923	193
1924	103
1925	112
1926	134
1927	539
1928	86
1929	99
1930	235
1931	422
1932	295
1933	322
1934	351
1935	463
1936	460
1937	337
1938	247
1939	1,098
1940	181
1941	276
1942	278
1943	360
1944	396
1945	418
1946	411
1947	621
1948	557
1949	523
1950	750
1951	283
1952	455
1953	400
1954	518
1955	532
1956	646
1957	449
1958	294
1959	844
1960	410
1961	586
1962	557
1963	455
1964	839
1965	614
1966	534
1967	578
1968	429
1969	362
1970	1,157
1971	598
1972	356
1973	774
1974	386
1975	739
1976	667
1977	400
1978	628
1979	1,022
1980	563
1981	613
1982	1,315
1983	756
1984	766
1985	764
1986	928
1987	719
1988	818
1989	955
1990	911
1991	1,165
1992	919
1993	2,227
1994	1,363
1995	723
1996	1,212
1997	1,177
1998	1,768
1999	858
2000	1,175
2001	837
2002	1,212
2003	855
2004	893
2005	1,123
2006	1,042
2007	946
2008	1,153
2009	773
2010	913
2011	1,170
2012	568
2013	854
2014	443
2015	997
2016	988
2017	825
2018	874
2019	538
2020	785
2021	467
2022	392
2023	507
2024	681
2025	503
2026	779

Download the Data

Data for records on 1997-09-15: 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 25	845
25 to 50	33
50 to 75	6
75 to 100	0
100 to 125	0
125 to 150	0
150 to 175	0
175 to 200	1