Weather Records on 4 September 2015

893 weather records were set or tied worldwide on 4 September 2015. Highest significance: Lichtenburg, ZA.

Key Facts for 4 September 2015

On 4 September 2015, 893 weather records were set or tied at long-record stations worldwide.
461 were record highs and 179 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 38 monthly and 854 daily.
Lichtenburg set a monthly record daily precipitation of 83.1 mm (3.3 in) on 4 September 2015.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 449 records.

Record Map

893 stations

893 station records on 4 September 2015 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 September 2015: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lichtenburg	South Africa	Record daily precipitation	83.1 mm (3.3 in)	66 of 100 (Major)
Waialae-Kahala 715	United States	Record daily precipitation	39.1 mm (1.5 in)	58 of 100 (Notable)
Delft	Netherlands	Record daily precipitation	39.2 mm (1.5 in)	52 of 100 (Notable)
Oldebroek	Netherlands	Record daily precipitation	39.8 mm (1.6 in)	52 of 100 (Notable)
Saginaw #3	United States	Record daily precipitation	56.6 mm (2.2 in)	52 of 100 (Notable)
Morgan Creek	United States	Record daily precipitation	25.4 mm (1.0 in)	52 of 100 (Notable)
De Bilt	Netherlands	Record daily precipitation	41.1 mm (1.6 in)	51 of 100 (Notable)
Wijk Bij Duurstede	Netherlands	Record daily precipitation	34.4 mm (1.4 in)	50 of 100 (Notable)
Eidsvold Post Office	Australia	Record daily precipitation	25.0 mm (1.0 in)	49 of 100 (Notable)
Rogers Pass 9 NNE	United States	Record daily precipitation	41.7 mm (1.6 in)	49 of 100 (Notable)
Waipahu 750	United States	Record daily precipitation	37.3 mm (1.5 in)	49 of 100 (Notable)
Copper Camp	United States	Record daily precipitation	30.5 mm (1.2 in)	49 of 100 (Notable)
Copper Bottom	United States	Record daily precipitation	25.4 mm (1.0 in)	48 of 100 (Notable)
Craigie (Bondi Forest Lodge)	Australia	Record daily precipitation	37.0 mm (1.5 in)	47 of 100 (Notable)
Bottineau	United States	Record high minimum temperature	20.6 C (69.1 F)	47 of 100 (Notable)
Punchbowl Crater 709	United States	Record daily precipitation	56.6 mm (2.2 in)	47 of 100 (Notable)
Nordby (Fano)	Denmark	Record daily precipitation	49.9 mm (2.0 in)	46 of 100 (Notable)
Lydenburg	South Africa	Record daily precipitation	35.1 mm (1.4 in)	45 of 100 (Notable)
Mojave	United States	Record low minimum temperature	8.9 C (48.0 F)	45 of 100 (Notable)
Jamestown State Hosp	United States	Record high minimum temperature	22.2 C (72.0 F)	45 of 100 (Notable)
Mc Henry 3W	United States	Record high minimum temperature	21.1 C (70.0 F)	45 of 100 (Notable)
Benschop	Netherlands	Record daily precipitation	30.4 mm (1.2 in)	43 of 100 (Notable)
Arad	Romania	Record high minimum temperature	20.4 C (68.7 F)	43 of 100 (Notable)
Prachuap Khiri Khan	Thailand	Record daily precipitation	59.2 mm (2.3 in)	43 of 100 (Notable)
Milan 1NW	United States	Record high minimum temperature	22.8 C (73.0 F)	43 of 100 (Notable)
Duolun	China	Record daily precipitation	29.7 mm (1.2 in)	42 of 100 (Notable)
Boskoop	Netherlands	Record daily precipitation	34.4 mm (1.4 in)	42 of 100 (Notable)
Simferopol	Ukraine	Record high maximum temperature	35.7 C (96.3 F)	42 of 100 (Notable)
Tarpon Spgs Sewage Plt	United States	Record high minimum temperature	26.7 C (80.1 F)	42 of 100 (Notable)
Deer Creek Dam	United States	Record high minimum temperature	17.8 C (64.0 F)	42 of 100 (Notable)
Park Rapids Muni AP	United States	Record high minimum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Veenendaal	Netherlands	Record daily precipitation	37.2 mm (1.5 in)	41 of 100 (Notable)
Lake Park 3SSE	United States	Record high maximum temperature	36.7 C (98.1 F)	41 of 100 (Notable)
Cambridge	United States	Record high minimum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Ewing	United States	Record high minimum temperature	21.1 C (70.0 F)	41 of 100 (Notable)
Red Cloud	United States	Record high minimum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Mayville	United States	Record high minimum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Norwalk Wwtp	United States	Record daily precipitation	54.6 mm (2.1 in)	41 of 100 (Notable)
Cascade Locks	United States	Record low minimum temperature	6.7 C (44.1 F)	41 of 100 (Notable)
Eureka	United States	Record high minimum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Sisseton	United States	Record high minimum temperature	21.7 C (71.1 F)	41 of 100 (Notable)
Charlottesville 2W	United States	Record high minimum temperature	22.2 C (72.0 F)	41 of 100 (Notable)
Rosalia	United States	Record low minimum temperature	0.6 C (33.1 F)	41 of 100 (Notable)
Green Rvr	United States	Record high minimum temperature	12.8 C (55.0 F)	41 of 100 (Notable)
Woudenberg	Netherlands	Record daily precipitation	39.4 mm (1.6 in)	40 of 100 (Notable)
Taganrog (Lighthouse)	Russia	Record high maximum temperature	33.9 C (93.0 F)	40 of 100 (Notable)
Hoxie	United States	Record high minimum temperature	22.8 C (73.0 F)	40 of 100 (Notable)
Grand Ledge 1 NW	United States	Record daily precipitation	33.8 mm (1.3 in)	40 of 100 (Notable)
Tracy	United States	Record high minimum temperature	21.1 C (70.0 F)	40 of 100 (Notable)
Hachita 1W	United States	Record low maximum temperature	24.4 C (75.9 F)	40 of 100 (Notable)
Olenek	Russia	Record high maximum temperature	25.5 C (77.9 F)	39 of 100 (Notable)
Ashland	United States	Record low minimum temperature	2.8 C (37.0 F)	39 of 100 (Notable)
Lemmon	United States	Record high minimum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
Watertown Rgnl AP	United States	Record high minimum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
Loenen Aan de Vecht	Netherlands	Record daily precipitation	46.5 mm (1.8 in)	38 of 100 (Notable)
Wageningen (Pd)	Netherlands	Record daily precipitation	35.2 mm (1.4 in)	38 of 100 (Notable)
Itasca UNIV of Minn	United States	Record high minimum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
Towner 2 NE	United States	Record high maximum temperature	38.3 C (100.9 F)	38 of 100 (Notable)
Willow City	United States	Record high maximum temperature	37.2 C (99.0 F)	38 of 100 (Notable)
Oberlin	United States	Record daily precipitation	38.1 mm (1.5 in)	38 of 100 (Notable)

Counts by Type and Timescale

893 records

Records set or tied on 4 September 2015 by type: Highest daily maximum 180, Lowest daily maximum 104, Highest daily minimum 281, Lowest daily minimum 75, Heaviest daily rainfall 253.

Records on 4 September 2015 by type
Record type	Records
Highest daily maximum	180
Lowest daily maximum	104
Highest daily minimum	281
Lowest daily minimum	75
Heaviest daily rainfall	253
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 September 2015 by timescale: all-time 1, monthly 38, daily 854.

How Much Records Were Beaten By

671 broken records

Margins by which the 671 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 48.6. Ties are not counted.

Top 20 by Significance

4 September 2015

Top 20 records on 4 September 2015 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 September 2015	Lichtenburg, ZA	monthly rain	83.1 mm (3.3 in)	17.6 mm (0.7 in)	107 years	66 of 100 (Major)
4 September 2015	Waialae-Kahala 715, US	daily rain	39.1 mm (1.5 in)	35.3 mm (1.4 in)	42 years	58 of 100 (Notable)
4 September 2015	Delft, NL	daily rain	39.2 mm (1.5 in)	21.7 mm (0.9 in)	40 years	52 of 100 (Notable)
4 September 2015	Oldebroek, NL	daily rain	39.8 mm (1.6 in)	20.4 mm (0.8 in)	53 years	52 of 100 (Notable)
4 September 2015	Saginaw #3, US	daily rain	56.6 mm (2.2 in)	30.7 mm (1.2 in)	70 years	52 of 100 (Notable)
4 September 2015	Morgan Creek, US	daily rain	25.4 mm (1.0 in)	22.9 mm (0.9 in)	30 years	52 of 100 (Notable)
4 September 2015	De Bilt, NL	daily rain	41.1 mm (1.6 in)	23.6 mm (0.9 in)	5 years	51 of 100 (Notable)
4 September 2015	Wijk Bij Duurstede, NL	daily rain	34.4 mm (1.4 in)	19.1 mm (0.8 in)	50 years	50 of 100 (Notable)
4 September 2015	Eidsvold Post Office, AU	daily rain	25.0 mm (1.0 in)	14.8 mm (0.6 in)	92 years	49 of 100 (Notable)
4 September 2015	Rogers Pass 9 NNE, US	daily rain	41.7 mm (1.6 in)	33.8 mm (1.3 in)	14 years	49 of 100 (Notable)
4 September 2015	Waipahu 750, US	daily rain	37.3 mm (1.5 in)	17.7 mm (0.7 in)	46 years	49 of 100 (Notable)
4 September 2015	Copper Camp, US	daily rain	30.5 mm (1.2 in)	22.9 mm (0.9 in)	22 years	49 of 100 (Notable)
4 September 2015	Copper Bottom, US	daily rain	25.4 mm (1.0 in)	17.8 mm (0.7 in)	21 years	48 of 100 (Notable)
4 September 2015	Craigie (Bondi Forest Lodge), AU	daily rain	37.0 mm (1.5 in)	23.8 mm (0.9 in)	40 years	47 of 100 (Notable)
4 September 2015	Bottineau, US	monthly high min	20.6 C (69.1 F)	0.6 C (1.1 F)	88 years	47 of 100 (Notable)
4 September 2015	Punchbowl Crater 709, US	monthly rain	56.6 mm (2.2 in)	11.1 mm (0.4 in)	22 years	47 of 100 (Notable)
4 September 2015	Nordby (Fano), DK	daily rain	49.9 mm (2.0 in)	21.8 mm (0.9 in)	6 years	46 of 100 (Notable)
4 September 2015	Lydenburg, ZA	daily rain	35.1 mm (1.4 in)	23.7 mm (0.9 in)	40 years	45 of 100 (Notable)
4 September 2015	Mojave, US	daily low min	8.9 C (48.0 F)	2.2 C (4.0 F)	102 years	45 of 100 (Notable)
4 September 2015	Jamestown State Hosp, US	daily high min	22.2 C (72.0 F)	2.8 C (5.0 F)	117 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

1802 to 2015

Records set or tied on this calendar date in each year from 1802 to 2015. 2015 had 893 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 2015-09-04: 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).

Histogram of margins by which records were beaten on 4 September 2015
Margin	Records
0 to 10	615
10 to 20	37
20 to 30	14
30 to 40	4
40 to 50	1