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Data as of 2025-12-31
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Built 2026-10-23 (23 October 2026)

Weather Records on 8 September 1815

2 weather records were set or tied worldwide on 8 September 1815. Highest significance: Praha-Klementinum, CZ.

Key Facts for 8 September 1815

  • On 8 September 1815, 2 weather records were set or tied at long-record stations worldwide.
  • 0 were record highs and 2 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 2 daily.
  • Praha-Klementinum tied a daily record low maximum temperature of 14.0 C (57.2 F) on 8 September 1815.
  • Across 169 earlier years (1802 to 2025) the same calendar date averaged 443 records.

Record Map

2 stations
Weather records on 8 September 1815 2 station records on 8 September 1815 are marked on the map, coloured by record type.
2 station records on 8 September 1815 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 8 September 1815: highest significance records shown on the map
StationCountryTypeValueSignificance
Praha-KlementinumCzech RepublicRecord low maximum temperature14.0 C (57.2 F)1 of 100 (Routine)
MilanItalyRecord low minimum temperature12.5 C (54.5 F)1 of 100 (Routine)

Counts by Type and Timescale

2 records
Records on 8 September 1815 by type Records set or tied on 8 September 1815 by type: Lowest daily maximum 1, Lowest daily minimum 1. 00111Highest daily maximum: 0Lowest daily maximum: 1Highest daily minimum: 0Lowest daily minimum: 1Heaviest daily rainfall: 0Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 8 September 1815 by type: Lowest daily maximum 1, Lowest daily minimum 1.
Records on 8 September 1815 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum1
Highest daily minimum0
Lowest daily minimum1
Heaviest daily rainfall0
Heaviest daily snowfall0
Deepest snow cover0
Records on 8 September 1815 by timescale Records on 8 September 1815 by timescale: all-time 0, monthly 0, daily 2. 01122all-time: 0monthly: 0daily: 2all-timemonthlydaily
Records on 8 September 1815 by timescale: all-time 0, monthly 0, daily 2.
Records on 8 September 1815 by timescale
TimescaleRecords
all-time0
monthly0
daily2

Top 20 by Significance

8 September 1815
Top 2 records on 8 September 1815 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
8 September 1815Praha-Klementinum, CZdaily low max (Tie)14.0 C (57.2 F)tie0 years1 of 100 (Routine)
8 September 1815Milan, ITdaily low min (Tie)12.5 C (54.5 F)tie1 year1 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

1802 to 1815
Records on 09-08 in each year Records set or tied on this calendar date in each year from 1802 to 1815. 1815 had 2 records. 05001,0001,5002,0001802: 11806: 11813: 11814: 21815: 21833: 11837: 11845: 21847: 21848: 11850: 21851: 11854: 11855: 31857: 11860: 31864: 11865: 21866: 11867: 11868: 11869: 11870: 11871: 21872: 21873: 11877: 11878: 21879: 41881: 31883: 21885: 21886: 11887: 11888: 11890: 21891: 11893: 31894: 91895: 61896: 21897: 31898: 51899: 31900: 41901: 61902: 31903: 131904: 41905: 101906: 141907: 71908: 41909: 71910: 91911: 201912: 621913: 191914: 371915: 321916: 251917: 1661918: 311919: 2401920: 591921: 2991922: 2061923: 1161924: 1381925: 2321926: 1411927: 1771928: 931929: 3971930: 1561931: 4801932: 4651933: 7281934: 4071935: 3531936: 5351937: 2221938: 3971939: 5471940: 2971941: 4771942: 3751943: 4881944: 7691945: 4231946: 3251947: 5861948: 3401949: 7651950: 5701951: 3891952: 3821953: 3241954: 3091955: 4811956: 7171957: 4271958: 4801959: 6671960: 6781961: 3511962: 6821963: 3781964: 2941965: 4721966: 3511967: 3801968: 3081969: 5561970: 5821971: 7041972: 5231973: 8731974: 6261975: 5641976: 6391977: 7261978: 1,1651979: 8131980: 7391981: 8541982: 6051983: 1,1541984: 1,1231985: 1,4921986: 1,2031987: 8801988: 8561989: 6481990: 7471991: 8061992: 8691993: 7831994: 7041995: 1,3241996: 6091997: 8921998: 1,3311999: 1,1962000: 9812001: 1,6432002: 1,2382003: 8192004: 1,5762005: 1,0152006: 8502007: 1,1122008: 8782009: 8322010: 1,1432011: 1,5542012: 8132013: 8312014: 5152015: 7282016: 9512017: 9782018: 7212019: 8982020: 1,9482021: 1,0762022: 1,5502023: 1,2352024: 1,3352025: 6991802186518881907192419411958197519922009
Records set or tied on this calendar date in each year from 1802 to 1815. 1815 had 2 records.
Counts for years before the ledger starts come from the same station rules.
Records on 09-08 in each year
YearRecords
18021
18061
18131
18142
18152
18331
18371
18452
18472
18481
18502
18511
18541
18553
18571
18603
18641
18652
18661
18671
18681
18691
18701
18712
18722
18731
18771
18782
18794
18813
18832
18852
18861
18871
18881
18902
18911
18933
18949
18956
18962
18973
18985
18993
19004
19016
19023
190313
19044
190510
190614
19077
19084
19097
19109
191120
191262
191319
191437
191532
191625
1917166
191831
1919240
192059
1921299
1922206
1923116
1924138
1925232
1926141
1927177
192893
1929397
1930156
1931480
1932465
1933728
1934407
1935353
1936535
1937222
1938397
1939547
1940297
1941477
1942375
1943488
1944769
1945423
1946325
1947586
1948340
1949765
1950570
1951389
1952382
1953324
1954309
1955481
1956717
1957427
1958480
1959667
1960678
1961351
1962682
1963378
1964294
1965472
1966351
1967380
1968308
1969556
1970582
1971704
1972523
1973873
1974626
1975564
1976639
1977726
19781,165
1979813
1980739
1981854
1982605
19831,154
19841,123
19851,492
19861,203
1987880
1988856
1989648
1990747
1991806
1992869
1993783
1994704
19951,324
1996609
1997892
19981,331
19991,196
2000981
20011,643
20021,238
2003819
20041,576
20051,015
2006850
20071,112
2008878
2009832
20101,143
20111,554
2012813
2013831
2014515
2015728
2016951
2017978
2018721
2019898
20201,948
20211,076
20221,550
20231,235
20241,335
2025699

Download the Data

  • Data for records on 1815-09-08: 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 2026-10-21 (21 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).