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Built 2026-10-19 (19 October 2026)

Weather Records on 17 September 1889

8 weather records were set or tied worldwide on 17 September 1889. Highest significance: Bologna, IT.

Key Facts for 17 September 1889

  • On 17 September 1889, 8 weather records were set or tied at long-record stations worldwide.
  • 1 were record highs and 6 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 8 daily.
  • Bologna set a daily record low minimum temperature of 7.5 C (45.5 F) on 17 September 1889.
  • Across 163 earlier years (1796 to 2025) the same calendar date averaged 422 records.

Record Map

8 stations
Weather records on 17 September 1889 8 station records on 17 September 1889 are marked on the map, coloured by record type.
8 station records on 17 September 1889 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 17 September 1889: highest significance records shown on the map
StationCountryTypeValueSignificance
BolognaItalyRecord low minimum temperature7.5 C (45.5 F)32 of 100 (Routine)
Praha-KlementinumCzech RepublicRecord low maximum temperature9.0 C (48.2 F)21 of 100 (Routine)
Royal ObservatorySouth AfricaRecord daily precipitation24.4 mm (1.0 in)16 of 100 (Routine)
WienAustriaRecord low maximum temperature10.0 C (50.0 F)12 of 100 (Routine)
PutbusGermanyRecord low minimum temperature6.3 C (43.3 F)11 of 100 (Routine)
WienAustriaRecord low minimum temperature4.1 C (39.4 F)5 of 100 (Routine)
CharlestonUnited StatesRecord high minimum temperature25.6 C (78.1 F)3 of 100 (Routine)
Melbourne Regional OfficeAustraliaRecord low minimum temperature1.7 C (35.1 F)1 of 100 (Routine)

Counts by Type and Timescale

8 records
Records on 17 September 1889 by type Records set or tied on 17 September 1889 by type: Lowest daily maximum 2, Highest daily minimum 1, Lowest daily minimum 4, Heaviest daily rainfall 1. 01234Highest daily maximum: 0Lowest daily maximum: 2Highest daily minimum: 1Lowest daily minimum: 4Heaviest daily rainfall: 1Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 17 September 1889 by type: Lowest daily maximum 2, Highest daily minimum 1, Lowest daily minimum 4, Heaviest daily rainfall 1.
Records on 17 September 1889 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum2
Highest daily minimum1
Lowest daily minimum4
Heaviest daily rainfall1
Heaviest daily snowfall0
Deepest snow cover0
Records on 17 September 1889 by timescale Records on 17 September 1889 by timescale: all-time 0, monthly 0, daily 8. 02468all-time: 0monthly: 0daily: 8all-timemonthlydaily
Records on 17 September 1889 by timescale: all-time 0, monthly 0, daily 8.
Records on 17 September 1889 by timescale
TimescaleRecords
all-time0
monthly0
daily8

How Much Records Were Beaten By

6 broken records
Histogram of margins by which records were beaten on 17 September 1889 Margins by which the 6 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 3.3. Ties are not counted. 011220.0 to 0.5: 00.5 to 1.0: 21.0 to 1.5: 01.5 to 2.0: 12.0 to 2.5: 02.5 to 3.0: 23.0 to 3.5: 10.0 to 0.50.5 to 1.01.0 to 1.51.5 to 2.02.0 to 2.52.5 to 3.03.0 to 3.5
Margins by which the 6 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 3.3. Ties are not counted.
Histogram of margins by which records were beaten on 17 September 1889
MarginRecords
0.0 to 0.50
0.5 to 1.02
1.0 to 1.50
1.5 to 2.01
2.0 to 2.50
2.5 to 3.02
3.0 to 3.51

Top 20 by Significance

17 September 1889
Top 8 records on 17 September 1889 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
17 September 1889Bologna, ITdaily low min7.5 C (45.5 F)3.3 C (5.9 F)52 years32 of 100 (Routine)
17 September 1889Praha-Klementinum, CZdaily low max9.0 C (48.2 F)2.6 C (4.7 F)19 years21 of 100 (Routine)
17 September 1889Royal Observatory, ZAdaily rain24.4 mm (1.0 in)2.6 mm (0.10 in)32 years16 of 100 (Routine)
17 September 1889Wien, ATdaily low max10.0 C (50.0 F)1.8 C (3.2 F)19 years12 of 100 (Routine)
17 September 1889Putbus, DEdaily low min6.3 C (43.3 F)0.6 C (1.1 F)22 years11 of 100 (Routine)
17 September 1889Wien, ATdaily low min4.1 C (39.4 F)0.9 C (1.6 F)3 years5 of 100 (Routine)
17 September 1889Charleston, USdaily high min (Tie)25.6 C (78.1 F)tie34 years3 of 100 (Routine)
17 September 1889Melbourne Regional Office, AUdaily low min (Tie)1.7 C (35.1 F)tie4 years1 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 1889
Records on 09-17 in each year Records set or tied on this calendar date in each year from 1796 to 1889. 1889 had 8 records. 05001,0001,5001796: 11797: 11805: 11833: 11834: 11837: 21845: 11847: 31848: 11850: 11851: 21853: 21854: 21859: 11862: 11867: 11870: 11871: 11872: 11873: 11874: 11875: 11877: 11881: 11882: 21884: 31885: 31886: 61888: 21889: 81891: 11893: 31894: 11895: 41896: 91897: 41898: 71899: 11900: 41901: 51902: 51903: 281904: 21905: 171906: 101907: 151908: 131909: 71910: 381911: 151912: 171913: 281914: 381915: 481916: 401917: 2551918: 411919: 211920: 401921: 661922: 471923: 1591924: 801925: 3381926: 1541927: 4201928: 781929: 1681930: 1471931: 5641932: 4251933: 4151934: 2461935: 3211936: 2191937: 4631938: 3631939: 2941940: 3261941: 3281942: 5811943: 5131944: 4031945: 6141946: 6201947: 6801948: 6301949: 2921950: 4121951: 3591952: 2631953: 3441954: 4491955: 6491956: 4371957: 4051958: 8061959: 1,2101960: 3851961: 6571962: 4321963: 2971964: 5591965: 1,3941966: 5231967: 3311968: 6911969: 3521970: 4121971: 8981972: 5561973: 6381974: 4911975: 4781976: 6361977: 6411978: 7641979: 8041980: 7941981: 1,1551982: 6061983: 8621984: 1,0061985: 4481986: 1,3141987: 9261988: 9821989: 8631990: 6501991: 1,4071992: 6861993: 9501994: 9861995: 1,1451996: 1,3421997: 1,0571998: 1,1371999: 1,1022000: 1,3182001: 8952002: 1,0252003: 5862004: 8722005: 1,0422006: 1,3442007: 7522008: 8862009: 8712010: 9072011: 1,1162012: 5972013: 1,2532014: 5712015: 9532016: 7072017: 4552018: 8872019: 7702020: 6502021: 3452022: 3132023: 6452024: 9532025: 6311796187118961913193019471964198119982015
Records set or tied on this calendar date in each year from 1796 to 1889. 1889 had 8 records.
Counts for years before the ledger starts come from the same station rules.
Records on 09-17 in each year
YearRecords
17961
17971
18051
18331
18341
18372
18451
18473
18481
18501
18512
18532
18542
18591
18621
18671
18701
18711
18721
18731
18741
18751
18771
18811
18822
18843
18853
18866
18882
18898
18911
18933
18941
18954
18969
18974
18987
18991
19004
19015
19025
190328
19042
190517
190610
190715
190813
19097
191038
191115
191217
191328
191438
191548
191640
1917255
191841
191921
192040
192166
192247
1923159
192480
1925338
1926154
1927420
192878
1929168
1930147
1931564
1932425
1933415
1934246
1935321
1936219
1937463
1938363
1939294
1940326
1941328
1942581
1943513
1944403
1945614
1946620
1947680
1948630
1949292
1950412
1951359
1952263
1953344
1954449
1955649
1956437
1957405
1958806
19591,210
1960385
1961657
1962432
1963297
1964559
19651,394
1966523
1967331
1968691
1969352
1970412
1971898
1972556
1973638
1974491
1975478
1976636
1977641
1978764
1979804
1980794
19811,155
1982606
1983862
19841,006
1985448
19861,314
1987926
1988982
1989863
1990650
19911,407
1992686
1993950
1994986
19951,145
19961,342
19971,057
19981,137
19991,102
20001,318
2001895
20021,025
2003586
2004872
20051,042
20061,344
2007752
2008886
2009871
2010907
20111,116
2012597
20131,253
2014571
2015953
2016707
2017455
2018887
2019770
2020650
2021345
2022313
2023645
2024953
2025631

Download the Data

  • Data for records on 1889-09-17: 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 . Last revised (2025-12-31).