Weather Records on 17 September 1923

159 weather records were set or tied worldwide on 17 September 1923. Highest significance: New Iberia AP - Acadiana Rgnl, US.

Key Facts for 17 September 1923

On 17 September 1923, 159 weather records were set or tied at long-record stations worldwide.
12 were record highs and 99 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 156 daily.
New Iberia AP - Acadiana Rgnl set a daily record precipitation of 100.3 mm (3.9 in) on 17 September 1923.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 424 records.

Record Map

159 stations

159 station records on 17 September 1923 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 September 1923: highest significance records shown on the map
Station	Country	Type	Value	Significance
New Iberia AP - Acadiana Rgnl	United States	Record daily precipitation	100.3 mm (3.9 in)	36 of 100 (Notable)
Lafayette Rgnl AP	United States	Record daily precipitation	77.2 mm (3.0 in)	36 of 100 (Notable)
Crookston NW Exp STN	United States	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
Pointe Au Pere	Canada	Record low minimum temperature	-1.1 C (30.0 F)	28 of 100 (Routine)
Fergus Falls	United States	Record daily precipitation	34.8 mm (1.4 in)	28 of 100 (Routine)
Grand Coteau	United States	Record daily precipitation	66.8 mm (2.6 in)	27 of 100 (Routine)
Genoa	Italy	Record daily precipitation	28.7 mm (1.1 in)	25 of 100 (Routine)
Nevada City	United States	Record high minimum temperature	15.6 C (60.1 F)	23 of 100 (Routine)
Oberlin	United States	Record daily precipitation	42.7 mm (1.7 in)	22 of 100 (Routine)
Hambantota	Sri Lanka	Record low maximum temperature	27.7 C (81.9 F)	21 of 100 (Routine)
Franklin 3 NW	United States	Record daily precipitation	76.2 mm (3.0 in)	21 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Ravenna	United States	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Biskra	Algeria	Record high minimum temperature	28.0 C (82.4 F)	20 of 100 (Routine)
Halifax	Canada	Record low maximum temperature	11.1 C (52.0 F)	20 of 100 (Routine)
Stockton 2	United States	Record high minimum temperature	22.2 C (72.0 F)	20 of 100 (Routine)
Washington	United States	Record low minimum temperature	6.7 C (44.1 F)	20 of 100 (Routine)
Welland	Canada	Record low minimum temperature	1.7 C (35.1 F)	19 of 100 (Routine)
Oregon	United States	Record daily precipitation	28.2 mm (1.1 in)	19 of 100 (Routine)
Tulsa	United States	Record daily precipitation	44.7 mm (1.8 in)	19 of 100 (Routine)
St Joseph	United States	Record daily precipitation	25.4 mm (1.0 in)	18 of 100 (Routine)
Minden	United States	Record daily precipitation	13.2 mm (0.5 in)	17 of 100 (Routine)
Easton	United States	Record low minimum temperature	4.4 C (39.9 F)	17 of 100 (Routine)
Belvidere	United States	Record low minimum temperature	1.1 C (34.0 F)	17 of 100 (Routine)
Wappingers Falls	United States	Record low minimum temperature	0.6 C (33.1 F)	17 of 100 (Routine)
Laramie	United States	Record low maximum temperature	6.1 C (43.0 F)	17 of 100 (Routine)
Lusk 2 SW	United States	Record low maximum temperature	7.8 C (46.0 F)	17 of 100 (Routine)
Atlantic City Marina	United States	Record low minimum temperature	8.9 C (48.0 F)	17 of 100 (Routine)
Martinsburg E W Virginia Rgnl	United States	Record low minimum temperature	0.6 C (33.1 F)	17 of 100 (Routine)
Brantford	Canada	Record low minimum temperature	0.6 C (33.1 F)	16 of 100 (Routine)
Guelph Oac	Canada	Record low minimum temperature	0.0 C (32.0 F)	16 of 100 (Routine)
Kerkwerve	Netherlands	Record daily precipitation	11.0 mm (0.4 in)	16 of 100 (Routine)
Grand Forks UNIV (NWS)	United States	Record daily precipitation	19.3 mm (0.8 in)	16 of 100 (Routine)
Minto	United States	Record daily precipitation	32.5 mm (1.3 in)	16 of 100 (Routine)
State College	United States	Record low minimum temperature	1.1 C (34.0 F)	16 of 100 (Routine)
Forestburg 4 NNE	United States	Record daily precipitation	19.3 mm (0.8 in)	16 of 100 (Routine)
Baltimore Customs House	United States	Record low minimum temperature	8.9 C (48.0 F)	16 of 100 (Routine)
Paris	Canada	Record low minimum temperature	0.6 C (33.1 F)	15 of 100 (Routine)
St. Petersburg	Russia	Record high maximum temperature	21.3 C (70.3 F)	15 of 100 (Routine)
Tampa	United States	Record low maximum temperature	25.0 C (77.0 F)	15 of 100 (Routine)
Solomons	United States	Record low minimum temperature	11.1 C (52.0 F)	15 of 100 (Routine)
Liberty	United States	Record daily precipitation	23.1 mm (0.9 in)	15 of 100 (Routine)
Ogdensburg 4 NE	United States	Record low minimum temperature	1.1 C (34.0 F)	15 of 100 (Routine)
Darwin Post Office	Australia	Record low maximum temperature	30.1 C (86.2 F)	14 of 100 (Routine)
Millsboro	United States	Record low minimum temperature	4.4 C (39.9 F)	14 of 100 (Routine)
Fredericksburg Np	United States	Record low minimum temperature	6.1 C (43.0 F)	14 of 100 (Routine)
Aberdeen	United States	Record daily precipitation	12.7 mm (0.5 in)	14 of 100 (Routine)
Huron Rgnl AP	United States	Record daily precipitation	11.4 mm (0.4 in)	14 of 100 (Routine)
Scottsbluff W B Heilig Fld AP	United States	Record low maximum temperature	11.7 C (53.1 F)	14 of 100 (Routine)
Ottawa Cda	Canada	Record low minimum temperature	1.7 C (35.1 F)	13 of 100 (Routine)
Berlin-Dahlem	Germany	Record daily precipitation	10.0 mm (0.4 in)	13 of 100 (Routine)
Uman	Ukraine	Record high maximum temperature	29.5 C (85.1 F)	13 of 100 (Routine)
Natural Brg	United States	Record daily precipitation	12.7 mm (0.5 in)	13 of 100 (Routine)
Las Animas	United States	Record low maximum temperature	17.8 C (64.0 F)	13 of 100 (Routine)
Columbus	United States	Record daily precipitation	29.5 mm (1.2 in)	13 of 100 (Routine)
Harrisonville	United States	Record daily precipitation	38.4 mm (1.5 in)	13 of 100 (Routine)
Weeping Water	United States	Record daily precipitation	19.1 mm (0.8 in)	13 of 100 (Routine)
Keene	United States	Record low minimum temperature	0.0 C (32.0 F)	13 of 100 (Routine)
Hiram	United States	Record low minimum temperature	3.9 C (39.0 F)	13 of 100 (Routine)
Sydney	Canada	Record low maximum temperature	11.7 C (53.1 F)	12 of 100 (Routine)

Counts by Type and Timescale

159 records

Records set or tied on 17 September 1923 by type: Highest daily maximum 5, Lowest daily maximum 28, Highest daily minimum 7, Lowest daily minimum 71, Heaviest daily rainfall 48.

Records on 17 September 1923 by type
Record type	Records
Highest daily maximum	5
Lowest daily maximum	28
Highest daily minimum	7
Lowest daily minimum	71
Heaviest daily rainfall	48
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 September 1923 by timescale: all-time 0, monthly 3, daily 156.

How Much Records Were Beaten By

129 broken records

Margins by which the 129 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 68.5. Ties are not counted.

Top 20 by Significance

17 September 1923

Top 20 records on 17 September 1923 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 September 1923	New Iberia AP - Acadiana Rgnl, US	daily rain	100.3 mm (3.9 in)	68.5 mm (2.7 in)	16 years	36 of 100 (Notable)
17 September 1923	Lafayette Rgnl AP, US	daily rain	77.2 mm (3.0 in)	51.8 mm (2.0 in)	16 years	36 of 100 (Notable)
17 September 1923	Crookston NW Exp STN, US	daily rain	25.4 mm (1.0 in)	22.9 mm (0.9 in)	21 years	32 of 100 (Routine)
17 September 1923	Pointe Au Pere, CA	daily low min	-1.1 C (30.0 F)	3.3 C (5.9 F)	46 years	28 of 100 (Routine)
17 September 1923	Fergus Falls, US	daily rain	34.8 mm (1.4 in)	24.1 mm (0.9 in)	8 years	28 of 100 (Routine)
17 September 1923	Grand Coteau, US	daily rain	66.8 mm (2.6 in)	44.7 mm (1.8 in)	0 years	27 of 100 (Routine)
17 September 1923	Genoa, IT	daily rain	28.7 mm (1.1 in)	0.4 mm (0.02 in)	55 years	25 of 100 (Routine)
17 September 1923	Nevada City, US	daily high min	15.6 C (60.1 F)	4.5 C (8.1 F)	21 years	23 of 100 (Routine)
17 September 1923	Oberlin, US	daily rain	42.7 mm (1.7 in)	24.9 mm (1.0 in)	4 years	22 of 100 (Routine)
17 September 1923	Hambantota, LK	daily low max	27.7 C (81.9 F)	0.1 C (0.2 F)	53 years	21 of 100 (Routine)
17 September 1923	Franklin 3 NW, US	daily rain	76.2 mm (3.0 in)	43.2 mm (1.7 in)	16 years	21 of 100 (Routine)
17 September 1923	Morris W Cntrl Rsch & Outreach, US	daily rain	20.3 mm (0.8 in)	16.5 mm (0.6 in)	16 years	20 of 100 (Routine)
17 September 1923	Ravenna, US	daily rain	18.8 mm (0.7 in)	17.0 mm (0.7 in)	17 years	20 of 100 (Routine)
17 September 1923	Biskra, DZ	daily high min	28.0 C (82.4 F)	3.0 C (5.4 F)	25 years	20 of 100 (Routine)
17 September 1923	Halifax, CA	daily low max	11.1 C (52.0 F)	1.1 C (2.0 F)	40 years	20 of 100 (Routine)
17 September 1923	Stockton 2, US	monthly high min	22.2 C (72.0 F)	1.6 C (2.9 F)	6 years	20 of 100 (Routine)
17 September 1923	Washington, US	daily low min	6.7 C (44.1 F)	1.6 C (2.9 F)	35 years	20 of 100 (Routine)
17 September 1923	Welland, CA	daily low min	1.7 C (35.1 F)	1.6 C (2.9 F)	37 years	19 of 100 (Routine)
17 September 1923	Oregon, US	daily rain	28.2 mm (1.1 in)	20.8 mm (0.8 in)	16 years	19 of 100 (Routine)
17 September 1923	Tulsa, US	daily rain	44.7 mm (1.8 in)	12.4 mm (0.5 in)	24 years	19 of 100 (Routine)

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

1796 to 1923

Records set or tied on this calendar date in each year from 1796 to 1923. 1923 had 159 records.

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

Records on 09-17 in each year
Year	Records
1796	1
1797	1
1805	1
1833	1
1834	1
1837	2
1845	1
1847	3
1848	1
1850	1
1851	2
1853	2
1854	2
1859	1
1862	1
1867	1
1870	1
1871	1
1872	1
1873	1
1874	1
1875	1
1877	1
1881	1
1882	2
1884	3
1885	3
1886	6
1888	2
1889	8
1891	1
1893	3
1894	1
1895	4
1896	9
1897	4
1898	7
1899	1
1900	4
1901	5
1902	5
1903	28
1904	2
1905	17
1906	10
1907	15
1908	13
1909	7
1910	38
1911	15
1912	17
1913	28
1914	38
1915	48
1916	40
1917	255
1918	41
1919	21
1920	40
1921	66
1922	47
1923	159
1924	80
1925	338
1926	154
1927	420
1928	78
1929	168
1930	147
1931	564
1932	425
1933	415
1934	246
1935	321
1936	219
1937	463
1938	363
1939	294
1940	326
1941	328
1942	581
1943	513
1944	403
1945	614
1946	620
1947	680
1948	630
1949	292
1950	412
1951	359
1952	263
1953	344
1954	449
1955	649
1956	437
1957	405
1958	806
1959	1,210
1960	385
1961	657
1962	432
1963	297
1964	559
1965	1,394
1966	523
1967	331
1968	691
1969	352
1970	412
1971	898
1972	556
1973	638
1974	491
1975	478
1976	636
1977	641
1978	764
1979	804
1980	794
1981	1,155
1982	606
1983	862
1984	1,006
1985	448
1986	1,314
1987	926
1988	982
1989	863
1990	650
1991	1,407
1992	686
1993	950
1994	986
1995	1,145
1996	1,342
1997	1,057
1998	1,137
1999	1,102
2000	1,318
2001	895
2002	1,025
2003	586
2004	872
2005	1,042
2006	1,344
2007	752
2008	886
2009	871
2010	907
2011	1,116
2012	597
2013	1,253
2014	571
2015	953
2016	707
2017	455
2018	899
2019	774
2020	651
2021	345
2022	313
2023	646
2024	954
2025	634
2026	968

Download the Data

Data for records on 1923-09-17: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	109
10 to 20	12
20 to 30	4
30 to 40	0
40 to 50	2
50 to 60	1
60 to 70	1