Weather Records on 4 September 2017

881 weather records were set or tied worldwide on 4 September 2017. Highest significance: Nora_D, SE.

Key Facts for 4 September 2017

On 4 September 2017, 881 weather records were set or tied at long-record stations worldwide.
673 were record highs and 112 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 126 monthly and 753 daily.
Nora_D set a daily record precipitation of 33.5 mm (1.3 in) on 4 September 2017.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 449 records.

Record Map

881 stations

881 station records on 4 September 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 September 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nora_D	Sweden	Record daily precipitation	33.5 mm (1.3 in)	71 of 100 (Major)
Minlaton	Australia	Record daily precipitation	29.0 mm (1.1 in)	59 of 100 (Notable)
Nynashamn	Sweden	Record daily precipitation	37.3 mm (1.5 in)	57 of 100 (Notable)
Sjogarde	Sweden	Record daily precipitation	36.0 mm (1.4 in)	57 of 100 (Notable)
Vasterhaninge	Sweden	Record daily precipitation	27.7 mm (1.1 in)	52 of 100 (Notable)
Nellore	India	Record daily precipitation	74.9 mm (2.9 in)	49 of 100 (Notable)
Skaneateles	United States	Record daily precipitation	29.2 mm (1.1 in)	49 of 100 (Notable)
Cornwall	United States	Record daily precipitation	45.0 mm (1.8 in)	49 of 100 (Notable)
McCall	United States	Record high maximum temperature	35.0 C (95.0 F)	48 of 100 (Notable)
Harsfjarden	Sweden	Record daily precipitation	26.0 mm (1.0 in)	47 of 100 (Notable)
Newman	United States	Record high minimum temperature	23.3 C (73.9 F)	47 of 100 (Notable)
Shoshone	United States	Record high maximum temperature	35.6 C (96.1 F)	45 of 100 (Notable)
Kilauea 1134	United States	Record high maximum temperature	30.6 C (87.1 F)	45 of 100 (Notable)
Biser	Russia	Record daily precipitation	36.0 mm (1.4 in)	44 of 100 (Notable)
Paso Robles	United States	Record high minimum temperature	22.2 C (72.0 F)	44 of 100 (Notable)
Rutland	United States	Record low maximum temperature	12.8 C (55.0 F)	44 of 100 (Notable)
Penola Post Office	Australia	Record daily precipitation	27.8 mm (1.1 in)	43 of 100 (Notable)
On	Sweden	Record daily precipitation	33.5 mm (1.3 in)	43 of 100 (Notable)
Salem AP (McNary Field)	United States	Record high minimum temperature	16.1 C (61.0 F)	43 of 100 (Notable)
Crater Lake Nps HQ	United States	Record high minimum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
Blaine	United States	Record high maximum temperature	30.6 C (87.1 F)	42 of 100 (Notable)
Winslow AP	United States	Record high maximum temperature	37.8 C (100.0 F)	42 of 100 (Notable)
Alturas	United States	Record high minimum temperature	12.2 C (54.0 F)	41 of 100 (Notable)
Lima	United States	Record high maximum temperature	33.9 C (93.0 F)	41 of 100 (Notable)
Saint Johnsbury	United States	Record daily precipitation	29.5 mm (1.2 in)	41 of 100 (Notable)
Elko Rgnl AP	United States	Record high maximum temperature	37.8 C (100.0 F)	41 of 100 (Notable)
Bajramaly	Turkmenistan	Record high maximum temperature	39.8 C (103.6 F)	40 of 100 (Notable)
Adelaide (Tea Tree Gully Counc	Australia	Record daily precipitation	28.1 mm (1.1 in)	39 of 100 (Notable)
Volodymyr-Volynskyi	Ukraine	Record daily precipitation	32.0 mm (1.3 in)	39 of 100 (Notable)
Grant Grove	United States	Record high maximum temperature	31.7 C (89.1 F)	39 of 100 (Notable)
Santa Rosa	United States	Record high minimum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
Richmond Wtr Wks	United States	Record daily precipitation	53.8 mm (2.1 in)	39 of 100 (Notable)
Mexican Hat	United States	Record high maximum temperature	40.0 C (104.0 F)	38 of 100 (Notable)
Surin	Thailand	Record high minimum temperature	26.5 C (79.7 F)	37 of 100 (Notable)
Lompoc	United States	Record high minimum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Tulelake	United States	Record high maximum temperature	37.8 C (100.0 F)	37 of 100 (Notable)
Ft Duchesne	United States	Record high maximum temperature	35.6 C (96.1 F)	37 of 100 (Notable)
Diablo Dam	United States	Record high minimum temperature	15.0 C (59.0 F)	37 of 100 (Notable)
Bacau	Romania	Record daily precipitation	26.6 mm (1.0 in)	36 of 100 (Notable)
El Centro 2 SSW	United States	Record low maximum temperature	31.1 C (88.0 F)	36 of 100 (Notable)
Elwha Rs	United States	Record high minimum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Bryce Canyon AP	United States	Record high maximum temperature	31.1 C (88.0 F)	36 of 100 (Notable)
Redwood City	United States	Record high minimum temperature	20.0 C (68.0 F)	35 of 100 (Notable)
New Harmony	United States	Record high maximum temperature	35.0 C (95.0 F)	35 of 100 (Notable)
Denver-Stapleton	United States	Record high maximum temperature	36.7 C (98.1 F)	35 of 100 (Notable)
Lemoore Reeves NAS	United States	Record high minimum temperature	27.2 C (81.0 F)	35 of 100 (Notable)
Salinas AP	United States	Record high minimum temperature	18.9 C (66.0 F)	35 of 100 (Notable)
Bowman Dam	United States	Record high minimum temperature	19.4 C (66.9 F)	34 of 100 (Routine)
Five Points 5 SSW	United States	Record high minimum temperature	24.4 C (75.9 F)	34 of 100 (Routine)
Napa State Hospital	United States	Record high minimum temperature	19.4 C (66.9 F)	34 of 100 (Routine)
Elma	United States	Record high maximum temperature	34.4 C (93.9 F)	34 of 100 (Routine)
Bakersfield AP	United States	Record high minimum temperature	27.2 C (81.0 F)	34 of 100 (Routine)
Fenn Rs	United States	Record high maximum temperature	37.8 C (100.0 F)	33 of 100 (Routine)
Big Springs	United States	Record high maximum temperature	39.4 C (102.9 F)	33 of 100 (Routine)
Hovenweep Nm	United States	Record high maximum temperature	36.7 C (98.1 F)	33 of 100 (Routine)
Seattle Tacoma AP	United States	Record high minimum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Kastamonu	Turkey	Record high maximum temperature	34.4 C (93.9 F)	32 of 100 (Routine)
Bullfrog Basin	United States	Record high maximum temperature	39.4 C (102.9 F)	32 of 100 (Routine)
Ferron	United States	Record high maximum temperature	34.4 C (93.9 F)	32 of 100 (Routine)
Bellingham Intl AP	United States	Record high maximum temperature	30.6 C (87.1 F)	32 of 100 (Routine)

Counts by Type and Timescale

881 records

Records set or tied on 4 September 2017 by type: Highest daily maximum 365, Lowest daily maximum 60, Highest daily minimum 308, Lowest daily minimum 52, Heaviest daily rainfall 96.

Records on 4 September 2017 by type
Record type	Records
Highest daily maximum	365
Lowest daily maximum	60
Highest daily minimum	308
Lowest daily minimum	52
Heaviest daily rainfall	96
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 September 2017 by timescale: all-time 2, monthly 126, daily 753.

How Much Records Were Beaten By

663 broken records

Margins by which the 663 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 40.1. Ties are not counted.

Top 20 by Significance

4 September 2017

Top 20 records on 4 September 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 September 2017	Nora_D, SE	daily rain	33.5 mm (1.3 in)	19.0 mm (0.7 in)	119 years	71 of 100 (Major)
4 September 2017	Minlaton, AU	daily rain	29.0 mm (1.1 in)	17.1 mm (0.7 in)	44 years	59 of 100 (Notable)
4 September 2017	Nynashamn, SE	daily rain	37.3 mm (1.5 in)	29.8 mm (1.2 in)	35 years	57 of 100 (Notable)
4 September 2017	Sjogarde, SE	daily rain	36.0 mm (1.4 in)	24.5 mm (1.0 in)	39 years	57 of 100 (Notable)
4 September 2017	Vasterhaninge, SE	daily rain	27.7 mm (1.1 in)	17.4 mm (0.7 in)	55 years	52 of 100 (Notable)
4 September 2017	Nellore, IN	daily rain	74.9 mm (2.9 in)	15.7 mm (0.6 in)	108 years	49 of 100 (Notable)
4 September 2017	Skaneateles, US	daily rain	29.2 mm (1.1 in)	10.1 mm (0.4 in)	110 years	49 of 100 (Notable)
4 September 2017	Cornwall, US	daily rain	45.0 mm (1.8 in)	26.7 mm (1.1 in)	51 years	49 of 100 (Notable)
4 September 2017	McCall, US	monthly high max	35.0 C (95.0 F)	0.6 C (1.1 F)	92 years	48 of 100 (Notable)
4 September 2017	Harsfjarden, SE	daily rain	26.0 mm (1.0 in)	18.0 mm (0.7 in)	35 years	47 of 100 (Notable)
4 September 2017	Newman, US	daily high min	23.3 C (73.9 F)	3.3 C (5.9 F)	92 years	47 of 100 (Notable)
4 September 2017	Shoshone, US	monthly high max	35.6 C (96.1 F)	1.2 C (2.2 F)	79 years	45 of 100 (Notable)
4 September 2017	Kilauea 1134, US	daily high max	30.6 C (87.1 F)	0.6 C (1.1 F)	110 years	45 of 100 (Notable)
4 September 2017	Biser, RU	daily rain	36.0 mm (1.4 in)	10.1 mm (0.4 in)	55 years	44 of 100 (Notable)
4 September 2017	Paso Robles, US	monthly high min	22.2 C (72.0 F)	1.1 C (2.0 F)	71 years	44 of 100 (Notable)
4 September 2017	Rutland, US	daily low max	12.8 C (55.0 F)	3.3 C (5.9 F)	92 years	44 of 100 (Notable)
4 September 2017	Penola Post Office, AU	daily rain	27.8 mm (1.1 in)	11.0 mm (0.4 in)	52 years	43 of 100 (Notable)
4 September 2017	On, SE	daily rain	33.5 mm (1.3 in)	16.9 mm (0.7 in)	52 years	43 of 100 (Notable)
4 September 2017	Salem AP (McNary Field), US	daily high min	16.1 C (61.0 F)	1.1 C (2.0 F)	108 years	43 of 100 (Notable)
4 September 2017	Crater Lake Nps HQ, US	monthly high min	15.6 C (60.1 F)	0.6 C (1.1 F)	73 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

1802 to 2017

Records set or tied on this calendar date in each year from 1802 to 2017. 2017 had 881 records.

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

Records on 09-04 in each year
Year	Records
1802	1
1805	1
1823	1
1833	1
1837	1
1839	1
1845	1
1847	1
1850	1
1854	1
1856	1
1857	1
1858	1
1861	1
1863	1
1864	1
1867	1
1868	1
1869	2
1871	1
1872	4
1874	1
1875	1
1877	1
1880	4
1881	1
1883	2
1885	3
1887	1
1888	2
1889	1
1890	1
1891	5
1894	4
1895	6
1896	1
1897	4
1898	9
1899	4
1900	1
1901	4
1902	4
1903	2
1904	7
1905	18
1906	16
1907	22
1908	9
1909	23
1910	91
1911	25
1912	29
1913	29
1914	19
1915	37
1916	24
1917	40
1918	96
1919	48
1920	105
1921	105
1922	62
1923	325
1924	167
1925	339
1926	256
1927	68
1928	341
1929	371
1930	102
1931	477
1932	429
1933	424
1934	393
1935	514
1936	309
1937	411
1938	236
1939	434
1940	287
1941	528
1942	323
1943	472
1944	341
1945	542
1946	431
1947	618
1948	409
1949	370
1950	642
1951	404
1952	645
1953	869
1954	372
1955	465
1956	586
1957	250
1958	384
1959	316
1960	552
1961	909
1962	733
1963	443
1964	507
1965	611
1966	428
1967	786
1968	546
1969	510
1970	644
1971	717
1972	513
1973	530
1974	2,279
1975	432
1976	582
1977	386
1978	940
1979	461
1980	355
1981	582
1982	617
1983	1,040
1984	1,107
1985	915
1986	663
1987	685
1988	1,259
1989	681
1990	787
1991	708
1992	1,132
1993	859
1994	1,001
1995	1,287
1996	907
1997	1,452
1998	1,564
1999	1,479
2000	1,336
2001	833
2002	767
2003	1,094
2004	898
2005	998
2006	1,268
2007	1,077
2008	1,335
2009	914
2010	1,804
2011	1,310
2012	1,209
2013	630
2014	461
2015	893
2016	597
2017	881
2018	758
2019	616
2020	957
2021	544
2022	1,256
2023	1,290
2024	985
2025	635
2026	1,222

Download the Data

Data for records on 2017-09-04: 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 10	632
10 to 20	25
20 to 30	5
30 to 40	0
40 to 50	1