Weather Records on 16 September 1939

666 weather records were set or tied worldwide on 16 September 1939. Highest significance: Praha-Klementinum, CZ.

Key Facts for 16 September 1939

On 16 September 1939, 666 weather records were set or tied at long-record stations worldwide.
479 were record highs and 35 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 47 monthly and 616 daily.
Praha-Klementinum set a daily record precipitation of 45.6 mm (1.8 in) on 16 September 1939.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 413 records.

Record Map

666 stations

666 station records on 16 September 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 16 September 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Praha-Klementinum	Czech Republic	Record daily precipitation	45.6 mm (1.8 in)	80 of 100 (Exceptional)
Agra	India	Record daily precipitation	286.0 mm (11.3 in)	71 of 100 (Major)
Hattin	India	Record daily precipitation	254.0 mm (10.0 in)	66 of 100 (Major)
Greiz-Dolau	Germany	Record daily precipitation	27.1 mm (1.1 in)	53 of 100 (Notable)
Agra	India	Record daily precipitation	238.5 mm (9.4 in)	50 of 100 (Notable)
Munchen-Nymphenburg	Germany	Record daily precipitation	60.1 mm (2.4 in)	48 of 100 (Notable)
Fichtelberg	Germany	Record daily precipitation	37.0 mm (1.5 in)	47 of 100 (Notable)
Bari	India	Record daily precipitation	86.4 mm (3.4 in)	44 of 100 (Notable)
Etmadpur	India	Record daily precipitation	149.6 mm (5.9 in)	43 of 100 (Notable)
Bayana Biana	India	Record daily precipitation	119.9 mm (4.7 in)	42 of 100 (Notable)
Baroda	India	Record daily precipitation	143.0 mm (5.6 in)	41 of 100 (Notable)
Clausthal-Zellerfeld	Germany	Record daily precipitation	32.1 mm (1.3 in)	38 of 100 (Notable)
Klerkskraal (Pol)	South Africa	Record daily precipitation	38.1 mm (1.5 in)	38 of 100 (Notable)
Ust-Sugor	Russia	Record daily precipitation	28.2 mm (1.1 in)	37 of 100 (Notable)
Bhikapur	India	Record daily precipitation	120.7 mm (4.8 in)	36 of 100 (Notable)
Pembroke Eddy Match	Canada	Record high maximum temperature	34.4 C (93.9 F)	34 of 100 (Routine)
Fredericton Unb	Canada	Record high maximum temperature	32.8 C (91.0 F)	34 of 100 (Routine)
Fatehabad	India	Record daily precipitation	126.5 mm (5.0 in)	34 of 100 (Routine)
Concord	United States	Record high maximum temperature	35.0 C (95.0 F)	33 of 100 (Routine)
Khairagarh	India	Record daily precipitation	72.9 mm (2.9 in)	32 of 100 (Routine)
Toronto	Canada	Record high minimum temperature	20.0 C (68.0 F)	31 of 100 (Routine)
Tuttlingen	Germany	Record daily precipitation	33.2 mm (1.3 in)	31 of 100 (Routine)
Punahana	India	Record daily precipitation	177.8 mm (7.0 in)	31 of 100 (Routine)
Peterborough	Canada	Record high maximum temperature	36.7 C (98.1 F)	30 of 100 (Routine)
Montreal McGill	Canada	Record high maximum temperature	30.6 C (87.1 F)	30 of 100 (Routine)
Fatehpur Sikri	India	Record daily precipitation	151.6 mm (6.0 in)	30 of 100 (Routine)
Lakefield	Canada	Record high maximum temperature	32.2 C (90.0 F)	29 of 100 (Routine)
Quebec	Canada	Record high maximum temperature	30.6 C (87.1 F)	29 of 100 (Routine)
Montreal McGill	Canada	Record high minimum temperature	22.8 C (73.0 F)	29 of 100 (Routine)
Ellwangen-Rindelbach	Germany	Record daily precipitation	50.3 mm (2.0 in)	29 of 100 (Routine)
Huntsville	Canada	Record high minimum temperature	17.8 C (64.0 F)	28 of 100 (Routine)
Sadabad	India	Record daily precipitation	93.2 mm (3.7 in)	28 of 100 (Routine)
Concord	United States	Record high maximum temperature	36.1 C (97.0 F)	28 of 100 (Routine)
Brockville	Canada	Record high maximum temperature	30.0 C (86.0 F)	27 of 100 (Routine)
Brockville	Canada	Record high minimum temperature	21.7 C (71.1 F)	27 of 100 (Routine)
Beatrice	Canada	Record high maximum temperature	27.8 C (82.0 F)	27 of 100 (Routine)
Simcoe	Canada	Record high minimum temperature	21.1 C (70.0 F)	27 of 100 (Routine)
Sandvig	Denmark	Record high minimum temperature	15.2 C (59.4 F)	27 of 100 (Routine)
Rajakhera	India	Record daily precipitation	121.4 mm (4.8 in)	27 of 100 (Routine)
Ancho	United States	Record daily precipitation	30.0 mm (1.2 in)	27 of 100 (Routine)
Coldwater	Canada	Record high minimum temperature	17.8 C (64.0 F)	26 of 100 (Routine)
Toronto	Canada	Record high maximum temperature	33.3 C (91.9 F)	26 of 100 (Routine)
Chicoutimi	Canada	Record high maximum temperature	35.6 C (96.1 F)	26 of 100 (Routine)
Weissenburg	Germany	Record daily precipitation	29.9 mm (1.2 in)	26 of 100 (Routine)
Mathura	India	Record daily precipitation	116.8 mm (4.6 in)	26 of 100 (Routine)
Chhota Kosi	India	Record daily precipitation	164.8 mm (6.5 in)	26 of 100 (Routine)
Lewiston	United States	Record high maximum temperature	35.0 C (95.0 F)	26 of 100 (Routine)
Parry Sound	Canada	Record high minimum temperature	18.9 C (66.0 F)	25 of 100 (Routine)
Bharatpur	India	Record daily precipitation	114.3 mm (4.5 in)	25 of 100 (Routine)
Camden 1	United States	Record daily precipitation	26.2 mm (1.0 in)	25 of 100 (Routine)
Bathurst	Canada	Record high maximum temperature	32.2 C (90.0 F)	24 of 100 (Routine)
Mat	India	Record daily precipitation	154.2 mm (6.1 in)	24 of 100 (Routine)
Eastport	United States	Record high maximum temperature	32.8 C (91.0 F)	24 of 100 (Routine)
Fitchburg 4 SE	United States	Record high maximum temperature	37.2 C (99.0 F)	24 of 100 (Routine)
Bosque del Apache	United States	Record low maximum temperature	20.6 C (69.1 F)	24 of 100 (Routine)
Ridgetown	Canada	Record high maximum temperature	35.6 C (96.1 F)	23 of 100 (Routine)
Woodstock	Canada	Record high maximum temperature	33.3 C (91.9 F)	23 of 100 (Routine)
Hamilton	Canada	Record high maximum temperature	35.0 C (95.0 F)	23 of 100 (Routine)
Hamilton	Canada	Record high minimum temperature	23.9 C (75.0 F)	23 of 100 (Routine)
Toronto Agincourt	Canada	Record high maximum temperature	35.0 C (95.0 F)	23 of 100 (Routine)

Counts by Type and Timescale

666 records

Records set or tied on 16 September 1939 by type: Highest daily maximum 310, Lowest daily maximum 22, Highest daily minimum 169, Lowest daily minimum 13, Heaviest daily rainfall 149, Heaviest daily snowfall 2, Deepest snow cover 1.

Records on 16 September 1939 by type
Record type	Records
Highest daily maximum	310
Lowest daily maximum	22
Highest daily minimum	169
Lowest daily minimum	13
Heaviest daily rainfall	149
Heaviest daily snowfall	2
Deepest snow cover	1

Records on 16 September 1939 by timescale: all-time 3, monthly 47, daily 616.

How Much Records Were Beaten By

543 broken records

Margins by which the 543 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 116.3. Ties are not counted.

Top 20 by Significance

16 September 1939

Top 20 records on 16 September 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
16 September 1939	Praha-Klementinum, CZ	daily rain	45.6 mm (1.8 in)	27.6 mm (1.1 in)	132 years	80 of 100 (Exceptional)
16 September 1939	Agra, IN	all-time rain	286.0 mm (11.3 in)	116.3 mm (4.6 in)	28 years	71 of 100 (Major)
16 September 1939	Hattin, IN	all-time rain	254.0 mm (10.0 in)	95.2 mm (3.7 in)	28 years	66 of 100 (Major)
16 September 1939	Greiz-Dolau, DE	daily rain	27.1 mm (1.1 in)	18.4 mm (0.7 in)	41 years	53 of 100 (Notable)
16 September 1939	Agra, IN	all-time rain	238.5 mm (9.4 in)	43.2 mm (1.7 in)	28 years	50 of 100 (Notable)
16 September 1939	Munchen-Nymphenburg, DE	daily rain	60.1 mm (2.4 in)	32.6 mm (1.3 in)	14 years	48 of 100 (Notable)
16 September 1939	Fichtelberg, DE	daily rain	37.0 mm (1.5 in)	21.9 mm (0.9 in)	41 years	47 of 100 (Notable)
16 September 1939	Bari, IN	daily rain	86.4 mm (3.4 in)	66.1 mm (2.6 in)	36 years	44 of 100 (Notable)
16 September 1939	Etmadpur, IN	daily rain	149.6 mm (5.9 in)	116.1 mm (4.6 in)	1 year	43 of 100 (Notable)
16 September 1939	Bayana Biana, IN	daily rain	119.9 mm (4.7 in)	71.1 mm (2.8 in)	36 years	42 of 100 (Notable)
16 September 1939	Baroda, IN	daily rain	143.0 mm (5.6 in)	79.5 mm (3.1 in)	4 years	41 of 100 (Notable)
16 September 1939	Clausthal-Zellerfeld, DE	daily rain	32.1 mm (1.3 in)	18.7 mm (0.7 in)	41 years	38 of 100 (Notable)
16 September 1939	Klerkskraal (Pol), ZA	monthly rain	38.1 mm (1.5 in)	11.4 mm (0.4 in)	18 years	38 of 100 (Notable)
16 September 1939	Ust-Sugor, RU	daily rain	28.2 mm (1.1 in)	10.4 mm (0.4 in)	37 years	37 of 100 (Notable)
16 September 1939	Bhikapur, IN	daily rain	120.7 mm (4.8 in)	95.3 mm (3.8 in)	1 year	36 of 100 (Notable)
16 September 1939	Pembroke Eddy Match, CA	daily high max	34.4 C (93.9 F)	5.0 C (9.0 F)	61 years	34 of 100 (Routine)
16 September 1939	Fredericton Unb, CA	daily high max	32.8 C (91.0 F)	4.5 C (8.1 F)	61 years	34 of 100 (Routine)
16 September 1939	Fatehabad, IN	daily rain	126.5 mm (5.0 in)	51.3 mm (2.0 in)	22 years	34 of 100 (Routine)
16 September 1939	Concord, US	daily high max	35.0 C (95.0 F)	3.3 C (5.9 F)	69 years	33 of 100 (Routine)
16 September 1939	Khairagarh, IN	daily rain	72.9 mm (2.9 in)	47.2 mm (1.9 in)	28 years	32 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

1793 to 1939

Records set or tied on this calendar date in each year from 1793 to 1939. 1939 had 666 records.

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

Records on 09-16 in each year
Year	Records
1793	1
1796	1
1807	1
1809	1
1823	2
1828	1
1829	1
1833	1
1837	1
1845	1
1847	1
1848	2
1850	1
1852	1
1854	2
1857	1
1861	1
1865	1
1866	1
1867	1
1869	1
1873	1
1874	3
1875	2
1877	4
1879	1
1882	1
1884	2
1885	5
1886	1
1887	2
1888	1
1889	9
1890	1
1892	2
1893	2
1894	1
1895	2
1896	3
1897	2
1898	6
1899	4
1900	5
1901	7
1902	3
1903	18
1904	5
1905	9
1906	12
1907	14
1908	15
1909	18
1910	26
1911	18
1912	58
1913	43
1914	35
1915	50
1916	60
1917	180
1918	125
1919	26
1920	164
1921	62
1922	147
1923	151
1924	77
1925	212
1926	116
1927	382
1928	62
1929	121
1930	235
1931	568
1932	533
1933	321
1934	519
1935	303
1936	442
1937	536
1938	296
1939	666
1940	188
1941	319
1942	504
1943	270
1944	284
1945	390
1946	610
1947	763
1948	541
1949	486
1950	506
1951	290
1952	378
1953	317
1954	554
1955	490
1956	605
1957	500
1958	538
1959	983
1960	235
1961	833
1962	479
1963	491
1964	859
1965	1,159
1966	838
1967	427
1968	496
1969	360
1970	627
1971	617
1972	451
1973	608
1974	385
1975	836
1976	878
1977	577
1978	421
1979	1,025
1980	568
1981	765
1982	863
1983	814
1984	898
1985	539
1986	862
1987	783
1988	786
1989	854
1990	593
1991	1,367
1992	1,073
1993	1,542
1994	1,008
1995	976
1996	1,403
1997	1,028
1998	1,466
1999	879
2000	1,315
2001	819
2002	1,117
2003	627
2004	746
2005	1,112
2006	1,274
2007	895
2008	1,000
2009	754
2010	880
2011	1,265
2012	572
2013	673
2014	490
2015	926
2016	767
2017	583
2018	921
2019	742
2020	674
2021	454
2022	521
2023	568
2024	885
2025	578
2026	920

Download the Data

Data for records on 1939-09-16: 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 20	505
20 to 40	23
40 to 60	7
60 to 80	3
80 to 100	3
100 to 120	2