Weather Records on 3 September 2017

1,122 weather records were set or tied worldwide on 3 September 2017. Highest significance: Santa Cruz, US.

Key Facts for 3 September 2017

On 3 September 2017, 1,122 weather records were set or tied at long-record stations worldwide.
753 were record highs and 265 were record lows, counting maximum and minimum temperature.
By timescale, 15 were all-time records, 218 monthly and 889 daily.
Santa Cruz set an all-time record high maximum temperature of 43.3 C (109.9 F) on 3 September 2017.
Across 170 earlier years (1811 to 2026) the same calendar date averaged 434 records.

Record Map

1,122 stations

1,122 station records on 3 September 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 3 September 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Santa Cruz	United States	Record high maximum temperature	43.3 C (109.9 F)	62 of 100 (Major)
Stykkisholmur	Iceland	Record daily precipitation	37.8 mm (1.5 in)	61 of 100 (Major)
Santa Cruz	United States	Record high minimum temperature	21.1 C (70.0 F)	59 of 100 (Notable)
Gospic	Croatia	Record daily precipitation	123.9 mm (4.9 in)	56 of 100 (Notable)
Lompoc	United States	Record high maximum temperature	39.4 C (102.9 F)	56 of 100 (Notable)
Napa State Hospital	United States	Record high minimum temperature	21.1 C (70.0 F)	54 of 100 (Notable)
Holmbo_D	Sweden	Record daily precipitation	45.3 mm (1.8 in)	53 of 100 (Notable)
Paso Robles	United States	Record high maximum temperature	45.6 C (114.1 F)	52 of 100 (Notable)
Rogersville 1 NE	United States	Record low maximum temperature	16.7 C (62.1 F)	52 of 100 (Notable)
Ft Bidwell	United States	Record high minimum temperature	18.3 C (64.9 F)	51 of 100 (Notable)
Merced	United States	Record high minimum temperature	23.9 C (75.0 F)	50 of 100 (Notable)
Alatyr'	Russia	Record daily precipitation	25.4 mm (1.0 in)	49 of 100 (Notable)
Newman	United States	Record high minimum temperature	26.7 C (80.1 F)	49 of 100 (Notable)
Yeelana (Brimpton Lake)	Australia	Record daily precipitation	26.8 mm (1.1 in)	47 of 100 (Notable)
Mount Compass	Australia	Record daily precipitation	40.6 mm (1.6 in)	46 of 100 (Notable)
Purcellville	United States	Record low maximum temperature	15.0 C (59.0 F)	46 of 100 (Notable)
Ocna Sugatag	Romania	Record daily precipitation	38.6 mm (1.5 in)	45 of 100 (Notable)
Willows 6 W	United States	Record high minimum temperature	22.8 C (73.0 F)	45 of 100 (Notable)
Mt Airy 2 W	United States	Record low maximum temperature	18.3 C (64.9 F)	45 of 100 (Notable)
Urbana Wrf	United States	Record low maximum temperature	13.9 C (57.0 F)	45 of 100 (Notable)
Arzamas	Russia	Record daily precipitation	38.1 mm (1.5 in)	44 of 100 (Notable)
Hiram	United States	Record low maximum temperature	15.0 C (59.0 F)	44 of 100 (Notable)
Newark	United States	Record high minimum temperature	25.0 C (77.0 F)	43 of 100 (Notable)
Richmond	United States	Record high maximum temperature	41.1 C (106.0 F)	43 of 100 (Notable)
Cornwall	United States	Record low maximum temperature	13.3 C (55.9 F)	43 of 100 (Notable)
Bridgewater	Australia	Record daily precipitation	43.8 mm (1.7 in)	42 of 100 (Notable)
Gilroy	United States	Record high minimum temperature	22.2 C (72.0 F)	42 of 100 (Notable)
Danville	United States	Record low maximum temperature	16.1 C (61.0 F)	42 of 100 (Notable)
Uniontown 1 NE	United States	Record low maximum temperature	17.8 C (64.0 F)	42 of 100 (Notable)
Rutland	United States	Record low minimum temperature	1.1 C (34.0 F)	42 of 100 (Notable)
Farmville	United States	Record low maximum temperature	17.8 C (64.0 F)	42 of 100 (Notable)
Mt Wx	United States	Record low maximum temperature	13.3 C (55.9 F)	42 of 100 (Notable)
Leo 6 SW	United States	Record high maximum temperature	33.9 C (93.0 F)	42 of 100 (Notable)
Ny-Alesund	Norway	Record daily precipitation	26.8 mm (1.1 in)	41 of 100 (Notable)
Berkeley	United States	Record high maximum temperature	40.6 C (105.1 F)	41 of 100 (Notable)
Idyllwild Fire Dept	United States	Record high minimum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Paso Robles	United States	Record high minimum temperature	18.3 C (64.9 F)	41 of 100 (Notable)
Turlock #2	United States	Record high minimum temperature	24.4 C (75.9 F)	41 of 100 (Notable)
Norris Madison Pwr House	United States	Record high maximum temperature	35.6 C (96.1 F)	41 of 100 (Notable)
Lahontan Dam	United States	Record high maximum temperature	39.4 C (102.9 F)	41 of 100 (Notable)
Selinsgrove 2 S	United States	Record low maximum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Scipio	United States	Record high maximum temperature	35.6 C (96.1 F)	41 of 100 (Notable)
Staunton Wtp	United States	Record low maximum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
White Sulphur Springs	United States	Record low maximum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Mount Barker	Australia	Record daily precipitation	29.6 mm (1.2 in)	40 of 100 (Notable)
Cave Run Lake	United States	Record low maximum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Wallowa	United States	Record high maximum temperature	39.4 C (102.9 F)	40 of 100 (Notable)
Escalante	United States	Record high maximum temperature	36.7 C (98.1 F)	40 of 100 (Notable)
Cachuma Lake	United States	Record high minimum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
Lompoc	United States	Record high minimum temperature	22.2 C (72.0 F)	39 of 100 (Notable)
Rye Patch Dam	United States	Record high maximum temperature	40.0 C (104.0 F)	39 of 100 (Notable)
Hamburg	United States	Record low maximum temperature	15.0 C (59.0 F)	39 of 100 (Notable)
Winchester 7 SE	United States	Record low maximum temperature	16.1 C (61.0 F)	39 of 100 (Notable)
Kemmerer 2N	United States	Record high maximum temperature	32.2 C (90.0 F)	39 of 100 (Notable)
Pittsfield Muni AP	United States	Record low maximum temperature	13.3 C (55.9 F)	39 of 100 (Notable)
Anchorage Merrill Fld	United States	Record low maximum temperature	10.0 C (50.0 F)	39 of 100 (Notable)
Calistoga	United States	Record high minimum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Fairfield	United States	Record high minimum temperature	23.9 C (75.0 F)	38 of 100 (Notable)
Elgin Water	United States	Record low minimum temperature	7.2 C (45.0 F)	38 of 100 (Notable)
Condon	United States	Record high minimum temperature	17.8 C (64.0 F)	38 of 100 (Notable)

Counts by Type and Timescale

1,122 records

Records set or tied on 3 September 2017 by type: Highest daily maximum 412, Lowest daily maximum 190, Highest daily minimum 341, Lowest daily minimum 75, Heaviest daily rainfall 104.

Records on 3 September 2017 by type
Record type	Records
Highest daily maximum	412
Lowest daily maximum	190
Highest daily minimum	341
Lowest daily minimum	75
Heaviest daily rainfall	104
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 3 September 2017 by timescale: all-time 15, monthly 218, daily 889.

How Much Records Were Beaten By

854 broken records

Margins by which the 854 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 33.0. Ties are not counted.

Top 20 by Significance

3 September 2017

Top 20 records on 3 September 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
3 September 2017	Santa Cruz, US	all-time high max	43.3 C (109.9 F)	1.1 C (2.0 F)	117 years	62 of 100 (Major)
3 September 2017	Stykkisholmur, IS	daily rain	37.8 mm (1.5 in)	29.3 mm (1.2 in)	52 years	61 of 100 (Major)
3 September 2017	Santa Cruz, US	all-time high min	21.1 C (70.0 F)	1.7 C (3.1 F)	77 years	59 of 100 (Notable)
3 September 2017	Gospic, HR	monthly rain	123.9 mm (4.9 in)	11.8 mm (0.5 in)	141 years	56 of 100 (Notable)
3 September 2017	Lompoc, US	daily high max	39.4 C (102.9 F)	10.0 C (18.0 F)	62 years	56 of 100 (Notable)
3 September 2017	Napa State Hospital, US	daily high min	21.1 C (70.0 F)	3.9 C (7.0 F)	110 years	54 of 100 (Notable)
3 September 2017	Holmbo_D, SE	daily rain	45.3 mm (1.8 in)	26.2 mm (1.0 in)	23 years	53 of 100 (Notable)
3 September 2017	Paso Robles, US	monthly high max	45.6 C (114.1 F)	1.2 C (2.2 F)	103 years	52 of 100 (Notable)
3 September 2017	Rogersville 1 NE, US	daily low max	16.7 C (62.1 F)	5.0 C (9.0 F)	96 years	52 of 100 (Notable)
3 September 2017	Ft Bidwell, US	monthly high min	18.3 C (64.9 F)	0.5 C (0.9 F)	135 years	51 of 100 (Notable)
3 September 2017	Merced, US	monthly high min	23.9 C (75.0 F)	0.6 C (1.1 F)	93 years	50 of 100 (Notable)
3 September 2017	Alatyr', RU	daily rain	25.4 mm (1.0 in)	14.3 mm (0.6 in)	58 years	49 of 100 (Notable)
3 September 2017	Newman, US	monthly high min	26.7 C (80.1 F)	0.6 C (1.1 F)	93 years	49 of 100 (Notable)
3 September 2017	Yeelana (Brimpton Lake), AU	daily rain	26.8 mm (1.1 in)	11.6 mm (0.5 in)	52 years	47 of 100 (Notable)
3 September 2017	Mount Compass, AU	daily rain	40.6 mm (1.6 in)	13.4 mm (0.5 in)	70 years	46 of 100 (Notable)
3 September 2017	Purcellville, US	daily low max	15.0 C (59.0 F)	5.6 C (10.1 F)	82 years	46 of 100 (Notable)
3 September 2017	Ocna Sugatag, RO	daily rain	38.6 mm (1.5 in)	29.6 mm (1.2 in)	2 years	45 of 100 (Notable)
3 September 2017	Willows 6 W, US	daily high min	22.8 C (73.0 F)	1.7 C (3.1 F)	102 years	45 of 100 (Notable)
3 September 2017	Mt Airy 2 W, US	daily low max	18.3 C (64.9 F)	2.3 C (4.1 F)	102 years	45 of 100 (Notable)
3 September 2017	Urbana Wrf, US	daily low max	13.9 C (57.0 F)	2.8 C (5.0 F)	108 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

1811 to 2017

Records set or tied on this calendar date in each year from 1811 to 2017. 2017 had 1,122 records.

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

Records on 09-03 in each year
Year	Records
1811	1
1823	1
1835	1
1843	1
1844	1
1846	1
1847	2
1849	1
1851	1
1852	1
1853	1
1854	1
1856	2
1861	1
1862	1
1865	1
1867	1
1868	1
1869	1
1871	2
1872	1
1873	1
1874	2
1875	1
1876	1
1877	3
1878	3
1880	4
1882	1
1884	1
1885	3
1886	3
1887	2
1888	1
1889	1
1890	2
1891	4
1892	4
1894	3
1895	8
1896	1
1897	3
1898	8
1899	1
1900	3
1901	3
1902	3
1903	4
1904	12
1905	22
1906	14
1907	13
1908	10
1909	22
1910	28
1911	87
1912	76
1913	21
1914	14
1915	20
1916	32
1917	20
1918	135
1919	68
1920	65
1921	116
1922	51
1923	134
1924	189
1925	290
1926	225
1927	67
1928	302
1929	431
1930	120
1931	429
1932	411
1933	270
1934	587
1935	453
1936	342
1937	774
1938	336
1939	656
1940	213
1941	406
1942	451
1943	286
1944	282
1945	404
1946	524
1947	1,515
1948	453
1949	281
1950	654
1951	455
1952	823
1953	846
1954	350
1955	492
1956	482
1957	315
1958	539
1959	380
1960	462
1961	996
1962	415
1963	295
1964	422
1965	472
1966	387
1967	901
1968	378
1969	516
1970	566
1971	570
1972	691
1973	766
1974	2,122
1975	530
1976	795
1977	542
1978	635
1979	755
1980	517
1981	518
1982	699
1983	947
1984	838
1985	983
1986	735
1987	666
1988	1,224
1989	723
1990	773
1991	782
1992	1,127
1993	1,226
1994	1,249
1995	1,409
1996	683
1997	1,274
1998	1,333
1999	1,520
2000	1,722
2001	799
2002	605
2003	1,259
2004	704
2005	727
2006	1,512
2007	1,032
2008	1,183
2009	801
2010	1,204
2011	1,252
2012	944
2013	694
2014	535
2015	760
2016	833
2017	1,122
2018	680
2019	644
2020	756
2021	493
2022	1,587
2023	969
2024	851
2025	533
2026	1,240

Download the Data

Data for records on 2017-09-03: 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 5	765
5 to 10	67
10 to 15	11
15 to 20	4
20 to 25	2
25 to 30	3
30 to 35	2