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Built 2026-10-19 (19 October 2026)

Weather Records on 25 September 1921

32 weather records were set or tied worldwide on 25 September 1921. Highest significance: Morgantown 1, US.

Key Facts for 25 September 1921

  • On 25 September 1921, 32 weather records were set or tied at long-record stations worldwide.
  • 16 were record highs and 2 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 32 daily.
  • Morgantown 1 set a daily record precipitation of 33.5 mm (1.3 in) on 25 September 1921.
  • Across 163 earlier years (1825 to 2026) the same calendar date averaged 428 records.

Record Map

32 stations
Weather records on 25 September 1921 32 station records on 25 September 1921 are marked on the map, coloured by record type.
32 station records on 25 September 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 25 September 1921: highest significance records shown on the map
StationCountryTypeValueSignificance
Morgantown 1United StatesRecord daily precipitation33.5 mm (1.3 in)28 of 100 (Routine)
Anticosti West PointCanadaRecord daily precipitation27.2 mm (1.1 in)22 of 100 (Routine)
TunisTunisiaRecord daily precipitation21.0 mm (0.8 in)20 of 100 (Routine)
WoodstockCanadaRecord daily precipitation18.3 mm (0.7 in)20 of 100 (Routine)
London SouthCanadaRecord daily precipitation22.6 mm (0.9 in)20 of 100 (Routine)
GeorgetownCanadaRecord daily precipitation17.8 mm (0.7 in)20 of 100 (Routine)
NeedlesUnited StatesRecord high maximum temperature42.2 C (108.0 F)18 of 100 (Routine)
ThornboroughAustraliaRecord daily precipitation2.5 mm (0.10 in)17 of 100 (Routine)
TampaUnited StatesRecord high maximum temperature33.3 C (91.9 F)17 of 100 (Routine)
WiartonCanadaRecord daily precipitation24.4 mm (1.0 in)16 of 100 (Routine)
TeterowGermanyRecord daily precipitation10.0 mm (0.4 in)16 of 100 (Routine)
Montgomery Wb CityUnited StatesRecord high maximum temperature34.4 C (93.9 F)13 of 100 (Routine)
NewportUnited StatesRecord high minimum temperature22.2 C (72.0 F)13 of 100 (Routine)
StuttgartUnited StatesRecord high minimum temperature23.3 C (73.9 F)13 of 100 (Routine)
Greensboro Lock 7United StatesRecord daily precipitation10.2 mm (0.4 in)13 of 100 (Routine)
BrinkleyUnited StatesRecord high minimum temperature22.8 C (73.0 F)12 of 100 (Routine)
QuebecCanadaRecord daily precipitation25.1 mm (1.0 in)11 of 100 (Routine)
IrkutskRussiaRecord high minimum temperature6.2 C (43.2 F)11 of 100 (Routine)
Mackay Post OfficeAustraliaRecord low maximum temperature22.9 C (73.2 F)10 of 100 (Routine)
PortlandUnited StatesRecord daily precipitation9.9 mm (0.39 in)9 of 100 (Routine)
NorthfieldUnited StatesRecord daily precipitation7.6 mm (0.30 in)9 of 100 (Routine)
Fort ChipewyanCanadaRecord high minimum temperature8.3 C (46.9 F)7 of 100 (Routine)
PalmervilleAustraliaRecord daily precipitation2.5 mm (0.10 in)6 of 100 (Routine)
Mackay Post OfficeAustraliaRecord high minimum temperature20.4 C (68.7 F)5 of 100 (Routine)
Dublin Phoenix ParkIrelandRecord low minimum temperature0.6 C (33.1 F)4 of 100 (Routine)
Montgomery Wb CityUnited StatesRecord high minimum temperature22.8 C (73.0 F)4 of 100 (Routine)
Camden 1United StatesRecord high maximum temperature35.6 C (96.1 F)4 of 100 (Routine)
BatesvilleUnited StatesRecord high minimum temperature21.7 C (71.1 F)4 of 100 (Routine)
Orleansville (Chlef)AlgeriaRecord high minimum temperature21.0 C (69.8 F)2 of 100 (Routine)
BanffCanadaRecord high minimum temperature7.2 C (45.0 F)2 of 100 (Routine)
Gainesville UNIV of FlUnited StatesRecord high maximum temperature33.9 C (93.0 F)2 of 100 (Routine)
Wilmington Wb CityUnited StatesRecord high maximum temperature31.7 C (89.1 F)2 of 100 (Routine)

Counts by Type and Timescale

32 records
Records on 25 September 1921 by type Records set or tied on 25 September 1921 by type: Highest daily maximum 6, Lowest daily maximum 1, Highest daily minimum 10, Lowest daily minimum 1, Heaviest daily rainfall 14. 051015Highest daily maximum: 6Lowest daily maximum: 1Highest daily minimum: 10Lowest daily minimum: 1Heaviest daily rainfall: 14Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 25 September 1921 by type: Highest daily maximum 6, Lowest daily maximum 1, Highest daily minimum 10, Lowest daily minimum 1, Heaviest daily rainfall 14.
Records on 25 September 1921 by type
Record typeRecords
Highest daily maximum6
Lowest daily maximum1
Highest daily minimum10
Lowest daily minimum1
Heaviest daily rainfall14
Heaviest daily snowfall0
Deepest snow cover0
Records on 25 September 1921 by timescale Records on 25 September 1921 by timescale: all-time 0, monthly 0, daily 32. 010203040all-time: 0monthly: 0daily: 32all-timemonthlydaily
Records on 25 September 1921 by timescale: all-time 0, monthly 0, daily 32.
Records on 25 September 1921 by timescale
TimescaleRecords
all-time0
monthly0
daily32

How Much Records Were Beaten By

26 broken records
Histogram of margins by which records were beaten on 25 September 1921 Margins by which the 26 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 18.8. Ties are not counted. 0510150 to 3: 143 to 5: 55 to 8: 48 to 10: 110 to 13: 013 to 15: 115 to 18: 018 to 20: 10 to 33 to 55 to 88 to 1010 to 1313 to 1515 to 1818 to 20
Margins by which the 26 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 18.8. Ties are not counted.
Histogram of margins by which records were beaten on 25 September 1921
MarginRecords
0 to 314
3 to 55
5 to 84
8 to 101
10 to 130
13 to 151
15 to 180
18 to 201

Top 20 by Significance

25 September 1921
Top 20 records on 25 September 1921 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
25 September 1921Morgantown 1, USdaily rain33.5 mm (1.3 in)18.8 mm (0.7 in)19 years28 of 100 (Routine)
25 September 1921Anticosti West Point, CAdaily rain27.2 mm (1.1 in)6.6 mm (0.26 in)37 years22 of 100 (Routine)
25 September 1921Tunis, TNdaily rain21.0 mm (0.8 in)13.6 mm (0.5 in)34 years20 of 100 (Routine)
25 September 1921Woodstock, CAdaily rain18.3 mm (0.7 in)7.1 mm (0.28 in)49 years20 of 100 (Routine)
25 September 1921London South, CAdaily rain22.6 mm (0.9 in)6.1 mm (0.24 in)37 years20 of 100 (Routine)
25 September 1921Georgetown, CAdaily rain17.8 mm (0.7 in)8.7 mm (0.34 in)21 years20 of 100 (Routine)
25 September 1921Needles, USdaily high max42.2 C (108.0 F)2.8 C (5.0 F)26 years18 of 100 (Routine)
25 September 1921Thornborough, AUdaily rain2.5 mm (0.10 in)2.5 mm (0.10 in)39 years17 of 100 (Routine)
25 September 1921Tampa, USdaily high max33.3 C (91.9 F)1.1 C (2.0 F)29 years17 of 100 (Routine)
25 September 1921Wiarton, CAdaily rain24.4 mm (1.0 in)5.9 mm (0.23 in)28 years16 of 100 (Routine)
25 September 1921Teterow, DEdaily rain10.0 mm (0.4 in)4.9 mm (0.19 in)12 years16 of 100 (Routine)
25 September 1921Montgomery Wb City, USdaily high max34.4 C (93.9 F)0.5 C (0.9 F)23 years13 of 100 (Routine)
25 September 1921Newport, USdaily high min22.2 C (72.0 F)2.2 C (4.0 F)20 years13 of 100 (Routine)
25 September 1921Stuttgart, USdaily high min23.3 C (73.9 F)2.2 C (4.0 F)20 years13 of 100 (Routine)
25 September 1921Greensboro Lock 7, USdaily rain10.2 mm (0.4 in)1.8 mm (0.07 in)31 years13 of 100 (Routine)
25 September 1921Brinkley, USdaily high min22.8 C (73.0 F)1.7 C (3.1 F)20 years12 of 100 (Routine)
25 September 1921Quebec, CAdaily rain25.1 mm (1.0 in)3.5 mm (0.14 in)11 years11 of 100 (Routine)
25 September 1921Irkutsk, RUdaily high min6.2 C (43.2 F)0.5 C (0.9 F)23 years11 of 100 (Routine)
25 September 1921Mackay Post Office, AUdaily low max22.9 C (73.2 F)0.9 C (1.6 F)11 years10 of 100 (Routine)
25 September 1921Portland, USdaily rain9.9 mm (0.39 in)2.0 mm (0.08 in)10 years9 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

1825 to 1921
Records on 09-25 in each year Records set or tied on this calendar date in each year from 1825 to 1921. 1921 had 32 records. 05001,0001,5002,0001825: 11834: 11836: 11842: 11843: 11847: 11851: 11852: 11855: 11857: 21859: 11860: 11863: 11865: 11866: 21867: 21868: 11871: 21872: 11874: 11875: 11877: 31879: 21881: 31884: 31885: 61886: 11887: 31889: 71891: 31893: 71894: 31895: 51896: 51897: 21898: 11899: 21900: 71901: 61902: 111903: 41904: 101905: 161906: 71907: 351908: 201909: 221910: 51911: 91912: 631913: 131914: 151915: 431916: 1391917: 1381918: 161919: 201920: 751921: 321922: 471923: 681924: 1571925: 1411926: 7401927: 1661928: 4801929: 1581930: 4891931: 5001932: 2601933: 5421934: 3941935: 2581936: 2741937: 1901938: 3351939: 4541940: 5171941: 2691942: 9701943: 4881944: 2461945: 5141946: 2921947: 6661948: 5011949: 4791950: 1,1631951: 6391952: 5151953: 2421954: 2921955: 5461956: 5031957: 2311958: 4541959: 3961960: 6941961: 5301962: 3051963: 6021964: 4031965: 6901966: 3341967: 4281968: 3001969: 1961970: 7831971: 3231972: 7061973: 6501974: 9951975: 1,1661976: 5411977: 8751978: 4621979: 7191980: 6871981: 6691982: 7591983: 6471984: 1,3051985: 4461986: 1,7661987: 5601988: 5711989: 1,3671990: 8751991: 1,2431992: 1,3461993: 1,0151994: 6661995: 1,0131996: 6481997: 1,2781998: 1,3461999: 8042000: 1,5362001: 1,5362002: 8762003: 7582004: 5192005: 1,4842006: 7672007: 1,2842008: 7662009: 8542010: 1,1252011: 7632012: 5052013: 6152014: 8002015: 8682016: 7812017: 1,2532018: 6482019: 5302020: 1,0892021: 3552022: 3012023: 5802024: 1,1202025: 5692026: 4731825187118971914193119481965198219992016
Records set or tied on this calendar date in each year from 1825 to 1921. 1921 had 32 records.
Counts for years before the ledger starts come from the same station rules.
Records on 09-25 in each year
YearRecords
18251
18341
18361
18421
18431
18471
18511
18521
18551
18572
18591
18601
18631
18651
18662
18672
18681
18712
18721
18741
18751
18773
18792
18813
18843
18856
18861
18873
18897
18913
18937
18943
18955
18965
18972
18981
18992
19007
19016
190211
19034
190410
190516
19067
190735
190820
190922
19105
19119
191263
191313
191415
191543
1916139
1917138
191816
191920
192075
192132
192247
192368
1924157
1925141
1926740
1927166
1928480
1929158
1930489
1931500
1932260
1933542
1934394
1935258
1936274
1937190
1938335
1939454
1940517
1941269
1942970
1943488
1944246
1945514
1946292
1947666
1948501
1949479
19501,163
1951639
1952515
1953242
1954292
1955546
1956503
1957231
1958454
1959396
1960694
1961530
1962305
1963602
1964403
1965690
1966334
1967428
1968300
1969196
1970783
1971323
1972706
1973650
1974995
19751,166
1976541
1977875
1978462
1979719
1980687
1981669
1982759
1983647
19841,305
1985446
19861,766
1987560
1988571
19891,367
1990875
19911,243
19921,346
19931,015
1994666
19951,013
1996648
19971,278
19981,346
1999804
20001,536
20011,536
2002876
2003758
2004519
20051,484
2006767
20071,284
2008766
2009854
20101,125
2011763
2012505
2013615
2014800
2015868
2016781
20171,253
2018648
2019530
20201,089
2021355
2022301
2023580
20241,120
2025569
2026473

Download the Data

  • Data for records on 1921-09-25: 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 (2026-10-15).