Weather Records on 30 September 2017

404 weather records were set or tied worldwide on 30 September 2017. Highest significance: Pinega, RU.

Key Facts for 30 September 2017

On 30 September 2017, 404 weather records were set or tied at long-record stations worldwide.
165 were record highs and 67 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 17 monthly and 381 daily.
Pinega set an all-time record daily precipitation of 99.1 mm (3.9 in) on 30 September 2017.
Across 161 earlier years (1806 to 2026) the same calendar date averaged 440 records.

Record Map

404 stations

404 station records on 30 September 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 September 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pinega	Russia	Record daily precipitation	99.1 mm (3.9 in)	72 of 100 (Major)
Lindesnes Fyr	Norway	Record daily precipitation	83.0 mm (3.3 in)	55 of 100 (Notable)
Mestad I Oddernes	Norway	Record daily precipitation	150.5 mm (5.9 in)	54 of 100 (Notable)
Dovland	Norway	Record daily precipitation	122.1 mm (4.8 in)	53 of 100 (Notable)
Mt Berryman	Australia	Record daily precipitation	48.0 mm (1.9 in)	51 of 100 (Notable)
Glomfjord	Norway	Record high minimum temperature	16.2 C (61.2 F)	50 of 100 (Notable)
Ljosland - Monen	Norway	Record daily precipitation	111.7 mm (4.4 in)	50 of 100 (Notable)
Carriel Sur Intl	Chile	Record daily precipitation	49.0 mm (1.9 in)	48 of 100 (Notable)
Mykland	Norway	Record daily precipitation	92.3 mm (3.6 in)	48 of 100 (Notable)
Landvik	Norway	Record daily precipitation	131.6 mm (5.2 in)	48 of 100 (Notable)
Bykle - Kultran	Norway	Record daily precipitation	44.4 mm (1.7 in)	48 of 100 (Notable)
Hillsboro	United States	Record daily precipitation	33.0 mm (1.3 in)	48 of 100 (Notable)
Obrestad Fyr	Norway	Record daily precipitation	48.4 mm (1.9 in)	47 of 100 (Notable)
Utsira Fyr	Norway	Record daily precipitation	58.2 mm (2.3 in)	46 of 100 (Notable)
Tovdal	Norway	Record daily precipitation	63.3 mm (2.5 in)	44 of 100 (Notable)
Risnes I Fjotland	Norway	Record daily precipitation	62.0 mm (2.4 in)	44 of 100 (Notable)
Hopewell	United States	Record daily precipitation	25.4 mm (1.0 in)	43 of 100 (Notable)
Lista Fyr	Norway	Record daily precipitation	60.1 mm (2.4 in)	42 of 100 (Notable)
Soyland I Gjesdal	Norway	Record daily precipitation	54.0 mm (2.1 in)	41 of 100 (Notable)
Finsland	Norway	Record daily precipitation	100.0 mm (3.9 in)	41 of 100 (Notable)
Kvavik	Norway	Record daily precipitation	93.2 mm (3.7 in)	41 of 100 (Notable)
Sidney	United States	Record high minimum temperature	12.2 C (54.0 F)	41 of 100 (Notable)
Aseral	Norway	Record daily precipitation	98.5 mm (3.9 in)	40 of 100 (Notable)
Mungeranie (Kalamurina)	Australia	Record daily precipitation	25.8 mm (1.0 in)	39 of 100 (Notable)
Federal Pt	United States	Record high minimum temperature	24.4 C (75.9 F)	38 of 100 (Notable)
Sredhekolymsk	Russia	Record high minimum temperature	5.0 C (41.0 F)	37 of 100 (Notable)
Mount Dare	Australia	Record daily precipitation	42.2 mm (1.7 in)	36 of 100 (Notable)
Addis Ababa-Bole	Ethiopia	Record low maximum temperature	18.0 C (64.4 F)	36 of 100 (Notable)
Bakke	Norway	Record daily precipitation	75.0 mm (3.0 in)	36 of 100 (Notable)
Lake Echo Power Station	Australia	Record daily precipitation	36.4 mm (1.4 in)	35 of 100 (Notable)
Kjevik	Norway	Record daily precipitation	100.0 mm (3.9 in)	35 of 100 (Notable)
Maudal	Norway	Record daily precipitation	58.9 mm (2.3 in)	35 of 100 (Notable)
Sortland-Kleiva	Norway	Record high maximum temperature	19.8 C (67.6 F)	35 of 100 (Notable)
Oodnadatta Airport	Australia	Record daily precipitation	40.6 mm (1.6 in)	34 of 100 (Routine)
Kitzingen	Germany	Record daily precipitation	28.3 mm (1.1 in)	34 of 100 (Routine)
Lysebotn	Norway	Record daily precipitation	60.2 mm (2.4 in)	34 of 100 (Routine)
Torsvag Fyr	Norway	Record high maximum temperature	20.4 C (68.7 F)	34 of 100 (Routine)
Isfjord Radio	Norway	Record high minimum temperature	4.2 C (39.6 F)	34 of 100 (Routine)
Bateman	United States	Record daily precipitation	25.4 mm (1.0 in)	34 of 100 (Routine)
Mobile Dwtn AP	United States	Record high maximum temperature	34.4 C (93.9 F)	33 of 100 (Routine)
Todmorden	Australia	Record daily precipitation	58.0 mm (2.3 in)	32 of 100 (Routine)
Oodnadatta Airport	Australia	Record low maximum temperature	14.4 C (57.9 F)	32 of 100 (Routine)
Nordhorn	Germany	Record daily precipitation	33.1 mm (1.3 in)	32 of 100 (Routine)
Lily Pond	United States	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
Juan Fernandez	Chile	Record daily precipitation	42.4 mm (1.7 in)	31 of 100 (Routine)
Sandersville	United States	Record high maximum temperature	33.3 C (91.9 F)	31 of 100 (Routine)
Tabou	Cote D'Ivoire	Record high minimum temperature	24.5 C (76.1 F)	30 of 100 (Routine)
Bodoe VI	Norway	Record high maximum temperature	18.3 C (64.9 F)	30 of 100 (Routine)
Alice Springs Airport	Australia	Record low maximum temperature	16.1 C (61.0 F)	29 of 100 (Routine)
Halfway	United States	Record high minimum temperature	11.1 C (52.0 F)	29 of 100 (Routine)
Boylefoss	Norway	Record daily precipitation	101.3 mm (4.0 in)	28 of 100 (Routine)
Nakhon Phanom	Thailand	Record high minimum temperature	25.8 C (78.4 F)	28 of 100 (Routine)
Columbine	United States	Record daily precipitation	25.4 mm (1.0 in)	28 of 100 (Routine)
Pensacola Rgnl AP	United States	Record high maximum temperature	35.0 C (95.0 F)	28 of 100 (Routine)
Cape Moreton Lighthouse	Australia	Record high maximum temperature	29.1 C (84.4 F)	27 of 100 (Routine)
Sola	Norway	Record daily precipitation	33.6 mm (1.3 in)	27 of 100 (Routine)
Stavanger - Valand	Norway	Record daily precipitation	36.0 mm (1.4 in)	27 of 100 (Routine)
Ilirnej	Russia	Record high maximum temperature	10.8 C (51.4 F)	27 of 100 (Routine)
Culman	Russia	Record low maximum temperature	-4.0 C (24.8 F)	27 of 100 (Routine)
Uchadzhy	Turkmenistan	Record low minimum temperature	1.7 C (35.1 F)	27 of 100 (Routine)

Counts by Type and Timescale

404 records

Records set or tied on 30 September 2017 by type: Highest daily maximum 68, Lowest daily maximum 43, Highest daily minimum 97, Lowest daily minimum 24, Heaviest daily rainfall 172.

Records on 30 September 2017 by type
Record type	Records
Highest daily maximum	68
Lowest daily maximum	43
Highest daily minimum	97
Lowest daily minimum	24
Heaviest daily rainfall	172
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 September 2017 by timescale: all-time 6, monthly 17, daily 381.

How Much Records Were Beaten By

321 broken records

Margins by which the 321 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 84.2. Ties are not counted.

Top 20 by Significance

30 September 2017

Top 20 records on 30 September 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 September 2017	Pinega, RU	all-time rain	99.1 mm (3.9 in)	10.6 mm (0.4 in)	75 years	72 of 100 (Major)
30 September 2017	Lindesnes Fyr, NO	monthly rain	83.0 mm (3.3 in)	28.8 mm (1.1 in)	18 years	55 of 100 (Notable)
30 September 2017	Mestad I Oddernes, NO	daily rain	150.5 mm (5.9 in)	84.2 mm (3.3 in)	16 years	54 of 100 (Notable)
30 September 2017	Dovland, NO	all-time rain	122.1 mm (4.8 in)	24.1 mm (0.9 in)	23 years	53 of 100 (Notable)
30 September 2017	Mt Berryman, AU	daily rain	48.0 mm (1.9 in)	34.4 mm (1.4 in)	20 years	51 of 100 (Notable)
30 September 2017	Glomfjord, NO	daily high min	16.2 C (61.2 F)	5.6 C (10.1 F)	75 years	50 of 100 (Notable)
30 September 2017	Ljosland - Monen, NO	all-time rain	111.7 mm (4.4 in)	21.7 mm (0.9 in)	27 years	50 of 100 (Notable)
30 September 2017	Carriel Sur Intl, CL	daily rain	49.0 mm (1.9 in)	41.9 mm (1.6 in)	32 years	48 of 100 (Notable)
30 September 2017	Mykland, NO	daily rain	92.3 mm (3.6 in)	36.3 mm (1.4 in)	11 years	48 of 100 (Notable)
30 September 2017	Landvik, NO	all-time rain	131.6 mm (5.2 in)	16.6 mm (0.7 in)	31 years	48 of 100 (Notable)
30 September 2017	Bykle - Kultran, NO	daily rain	44.4 mm (1.7 in)	23.0 mm (0.9 in)	42 years	48 of 100 (Notable)
30 September 2017	Hillsboro, US	daily rain	33.0 mm (1.3 in)	9.6 mm (0.38 in)	106 years	48 of 100 (Notable)
30 September 2017	Obrestad Fyr, NO	daily rain	48.4 mm (1.9 in)	22.2 mm (0.9 in)	55 years	47 of 100 (Notable)
30 September 2017	Utsira Fyr, NO	daily rain	58.2 mm (2.3 in)	21.4 mm (0.8 in)	42 years	46 of 100 (Notable)
30 September 2017	Tovdal, NO	daily rain	63.3 mm (2.5 in)	27.2 mm (1.1 in)	42 years	44 of 100 (Notable)
30 September 2017	Risnes I Fjotland, NO	daily rain	62.0 mm (2.4 in)	21.8 mm (0.9 in)	55 years	44 of 100 (Notable)
30 September 2017	Hopewell, US	daily rain	25.4 mm (1.0 in)	22.9 mm (0.9 in)	19 years	43 of 100 (Notable)
30 September 2017	Lista Fyr, NO	daily rain	60.1 mm (2.4 in)	27.1 mm (1.1 in)	14 years	42 of 100 (Notable)
30 September 2017	Soyland I Gjesdal, NO	daily rain	54.0 mm (2.1 in)	2.0 mm (0.08 in)	100 years	41 of 100 (Notable)
30 September 2017	Finsland, NO	all-time rain	100.0 mm (3.9 in)	6.0 mm (0.24 in)	40 years	41 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

1806 to 2017

Records set or tied on this calendar date in each year from 1806 to 2017. 2017 had 404 records.

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

Records on 09-30 in each year
Year	Records
1806	1
1813	1
1817	1
1819	2
1834	1
1841	1
1842	1
1847	1
1853	1
1854	1
1855	1
1861	1
1862	1
1866	1
1868	2
1869	3
1870	1
1874	1
1877	1
1878	1
1881	5
1883	2
1885	1
1886	3
1887	1
1888	4
1889	1
1892	2
1893	3
1894	8
1895	5
1896	2
1897	3
1898	3
1899	12
1900	4
1901	11
1902	7
1903	9
1904	14
1905	25
1906	14
1907	16
1908	18
1909	10
1910	5
1911	47
1912	47
1913	10
1914	33
1915	84
1916	209
1917	19
1918	45
1919	28
1920	71
1921	61
1922	71
1923	183
1924	243
1925	211
1926	194
1927	486
1928	560
1929	181
1930	110
1931	225
1932	363
1933	437
1934	398
1935	209
1936	432
1937	417
1938	428
1939	371
1940	316
1941	482
1942	405
1943	404
1944	369
1945	889
1946	320
1947	433
1948	267
1949	366
1950	731
1951	597
1952	504
1953	1,136
1954	1,059
1955	406
1956	350
1957	663
1958	442
1959	1,159
1960	161
1961	618
1962	202
1963	818
1964	332
1965	459
1966	592
1967	859
1968	449
1969	465
1970	334
1971	1,359
1972	676
1973	407
1974	742
1975	686
1976	775
1977	870
1978	399
1979	479
1980	832
1981	688
1982	806
1983	1,102
1984	1,267
1985	1,892
1986	1,805
1987	649
1988	453
1989	713
1990	665
1991	949
1992	980
1993	988
1994	816
1995	1,061
1996	1,396
1997	729
1998	1,206
1999	1,144
2000	887
2001	699
2002	677
2003	1,079
2004	573
2005	761
2006	617
2007	841
2008	585
2009	826
2010	1,059
2011	1,258
2012	637
2013	634
2014	529
2015	997
2016	746
2017	404
2018	717
2019	2,192
2020	554
2021	823
2022	563
2023	1,012
2024	948
2025	559
2026	529

Download the Data

Data for records on 2017-09-30: 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 20	302
20 to 40	16
40 to 60	2
60 to 80	0
80 to 100	1