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Built 2026-10-19 (19 October 2026)

Weather Records on 1 September 1921

46 weather records were set or tied worldwide on 1 September 1921. Highest significance: Winnipeg St Johns Coll, CA.

Key Facts for 1 September 1921

  • On 1 September 1921, 46 weather records were set or tied at long-record stations worldwide.
  • 17 were record highs and 15 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 5 monthly and 41 daily.
  • Winnipeg St Johns Coll set a monthly record high minimum temperature of 21.7 C (71.1 F) on 1 September 1921.
  • Across 161 earlier years (1797 to 2026) the same calendar date averaged 444 records.

Record Map

46 stations
Weather records on 1 September 1921 46 station records on 1 September 1921 are marked on the map, coloured by record type.
46 station records on 1 September 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 1 September 1921: highest significance records shown on the map
StationCountryTypeValueSignificance
Winnipeg St Johns CollCanadaRecord high minimum temperature21.7 C (71.1 F)30 of 100 (Routine)
AlmaUnited StatesRecord high minimum temperature24.4 C (75.9 F)26 of 100 (Routine)
Crookston NW Exp STNUnited StatesRecord high minimum temperature23.3 C (73.9 F)24 of 100 (Routine)
WeldonUnited StatesRecord high maximum temperature38.9 C (102.0 F)24 of 100 (Routine)
Skara 1SwedenRecord low minimum temperature0.0 C (32.0 F)18 of 100 (Routine)
St. PetersburgRussiaRecord daily precipitation18.4 mm (0.7 in)17 of 100 (Routine)
VanersborgSwedenRecord low minimum temperature4.0 C (39.2 F)17 of 100 (Routine)
Mackay Post OfficeAustraliaRecord daily precipitation31.2 mm (1.2 in)16 of 100 (Routine)
Medicine Hat ACanadaRecord high minimum temperature15.6 C (60.1 F)16 of 100 (Routine)
BambergGermanyRecord low minimum temperature3.3 C (37.9 F)16 of 100 (Routine)
St Helena IslandAustraliaRecord daily precipitation19.1 mm (0.8 in)15 of 100 (Routine)
Augathella Post OfficeAustraliaRecord daily precipitation11.4 mm (0.4 in)15 of 100 (Routine)
Cherdyn'RussiaRecord daily precipitation8.0 mm (0.31 in)15 of 100 (Routine)
KristianstadSwedenRecord low minimum temperature4.0 C (39.2 F)15 of 100 (Routine)
KarlshamnSwedenRecord low minimum temperature2.5 C (36.5 F)15 of 100 (Routine)
Vasteras-HassloSwedenRecord low minimum temperature3.5 C (38.3 F)15 of 100 (Routine)
St Lawrence Post OfficeAustraliaRecord daily precipitation10.4 mm (0.4 in)14 of 100 (Routine)
Isisford Post OfficeAustraliaRecord daily precipitation1.8 mm (0.07 in)14 of 100 (Routine)
StonecliffeCanadaRecord high maximum temperature32.8 C (91.0 F)14 of 100 (Routine)
IrkutskRussiaRecord high maximum temperature28.4 C (83.1 F)14 of 100 (Routine)
Emerald Post OfficeAustraliaRecord low maximum temperature20.4 C (68.7 F)13 of 100 (Routine)
SandvigDenmarkRecord low minimum temperature8.6 C (47.5 F)13 of 100 (Routine)
PlauenGermanyRecord low minimum temperature4.3 C (39.7 F)13 of 100 (Routine)
MuttaburraAustraliaRecord daily precipitation4.3 mm (0.17 in)12 of 100 (Routine)
Millaquin SugarAustraliaRecord daily precipitation10.4 mm (0.4 in)12 of 100 (Routine)
Agassiz CdaCanadaRecord daily precipitation17.5 mm (0.7 in)12 of 100 (Routine)
Bogantungan Post OfficeAustraliaRecord daily precipitation4.3 mm (0.17 in)11 of 100 (Routine)
Heinersreuth-VollhofGermanyRecord low minimum temperature4.0 C (39.2 F)11 of 100 (Routine)
Minneapolis Wb DwtnUnited StatesRecord high minimum temperature22.2 C (72.0 F)11 of 100 (Routine)
Harrisburg - CoopUnited StatesRecord high maximum temperature34.4 C (93.9 F)11 of 100 (Routine)
EscanabaUnited StatesRecord high minimum temperature20.0 C (68.0 F)11 of 100 (Routine)
GrenfellCanadaRecord high maximum temperature28.9 C (84.0 F)10 of 100 (Routine)
White RiverCanadaRecord high maximum temperature30.6 C (87.1 F)10 of 100 (Routine)
LucknowCanadaRecord high minimum temperature20.0 C (68.0 F)10 of 100 (Routine)
MalvernUnited StatesRecord daily precipitation24.1 mm (0.9 in)10 of 100 (Routine)
Marlborough Post OfficeAustraliaRecord daily precipitation3.0 mm (0.12 in)9 of 100 (Routine)
HalifaxCanadaRecord low minimum temperature5.0 C (41.0 F)9 of 100 (Routine)
Troicko-PecherskoeRussiaRecord low minimum temperature-2.7 C (27.1 F)8 of 100 (Routine)
TobolskRussiaRecord low minimum temperature0.9 C (33.6 F)8 of 100 (Routine)
Camden 1United StatesRecord daily precipitation15.0 mm (0.6 in)8 of 100 (Routine)
Adrian 2 NNEUnited StatesRecord high maximum temperature35.0 C (95.0 F)7 of 100 (Routine)
Port ArthurCanadaRecord high maximum temperature31.7 C (89.1 F)5 of 100 (Routine)
VastervikSwedenRecord low minimum temperature4.5 C (40.1 F)5 of 100 (Routine)
StockholmSwedenRecord low minimum temperature5.0 C (41.0 F)3 of 100 (Routine)
WashingtonUnited StatesRecord high maximum temperature34.4 C (93.9 F)3 of 100 (Routine)
Port ArthurCanadaRecord high minimum temperature15.6 C (60.1 F)2 of 100 (Routine)

Counts by Type and Timescale

46 records
Records on 1 September 1921 by type Records set or tied on 1 September 1921 by type: Highest daily maximum 9, Lowest daily maximum 1, Highest daily minimum 8, Lowest daily minimum 14, Heaviest daily rainfall 14. 051015Highest daily maximum: 9Lowest daily maximum: 1Highest daily minimum: 8Lowest daily minimum: 14Heaviest daily rainfall: 14Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 1 September 1921 by type: Highest daily maximum 9, Lowest daily maximum 1, Highest daily minimum 8, Lowest daily minimum 14, Heaviest daily rainfall 14.
Records on 1 September 1921 by type
Record typeRecords
Highest daily maximum9
Lowest daily maximum1
Highest daily minimum8
Lowest daily minimum14
Heaviest daily rainfall14
Heaviest daily snowfall0
Deepest snow cover0
Records on 1 September 1921 by timescale Records on 1 September 1921 by timescale: all-time 0, monthly 5, daily 41. 0204060all-time: 0monthly: 5daily: 41all-timemonthlydaily
Records on 1 September 1921 by timescale: all-time 0, monthly 5, daily 41.
Records on 1 September 1921 by timescale
TimescaleRecords
all-time0
monthly5
daily41

How Much Records Were Beaten By

42 broken records
Histogram of margins by which records were beaten on 1 September 1921 Margins by which the 42 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 13.9. Ties are not counted. 01020300 to 2: 262 to 4: 94 to 6: 36 to 8: 38 to 10: 010 to 12: 012 to 14: 10 to 22 to 44 to 66 to 88 to 1010 to 1212 to 14
Margins by which the 42 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 13.9. Ties are not counted.
Histogram of margins by which records were beaten on 1 September 1921
MarginRecords
0 to 226
2 to 49
4 to 63
6 to 83
8 to 100
10 to 120
12 to 141

Top 20 by Significance

1 September 1921
Top 20 records on 1 September 1921 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
1 September 1921Winnipeg St Johns Coll, CAmonthly high min21.7 C (71.1 F)0.6 C (1.1 F)48 years30 of 100 (Routine)
1 September 1921Alma, USmonthly high min24.4 C (75.9 F)3.3 C (5.9 F)25 years26 of 100 (Routine)
1 September 1921Crookston NW Exp STN, USmonthly high min23.3 C (73.9 F)2.2 C (4.0 F)23 years24 of 100 (Routine)
1 September 1921Weldon, USmonthly high max38.9 C (102.0 F)1.7 C (3.1 F)25 years24 of 100 (Routine)
1 September 1921Skara 1, SEdaily low min0.0 C (32.0 F)2.0 C (3.6 F)32 years18 of 100 (Routine)
1 September 1921St. Petersburg, RUdaily rain18.4 mm (0.7 in)5.6 mm (0.22 in)8 years17 of 100 (Routine)
1 September 1921Vanersborg, SEdaily low min4.0 C (39.2 F)0.8 C (1.4 F)38 years17 of 100 (Routine)
1 September 1921Mackay Post Office, AUdaily rain31.2 mm (1.2 in)13.9 mm (0.5 in)20 years16 of 100 (Routine)
1 September 1921Medicine Hat A, CAdaily high min15.6 C (60.1 F)2.3 C (4.1 F)26 years16 of 100 (Routine)
1 September 1921Bamberg, DEdaily low min3.3 C (37.9 F)2.0 C (3.6 F)22 years16 of 100 (Routine)
1 September 1921St Helena Island, AUdaily rain19.1 mm (0.8 in)6.9 mm (0.27 in)20 years15 of 100 (Routine)
1 September 1921Augathella Post Office, AUdaily rain11.4 mm (0.4 in)5.8 mm (0.23 in)26 years15 of 100 (Routine)
1 September 1921Cherdyn', RUdaily rain8.0 mm (0.31 in)3.0 mm (0.12 in)20 years15 of 100 (Routine)
1 September 1921Kristianstad, SEdaily low min4.0 C (39.2 F)0.5 C (0.9 F)35 years15 of 100 (Routine)
1 September 1921Karlshamn, SEdaily low min2.5 C (36.5 F)0.5 C (0.9 F)35 years15 of 100 (Routine)
1 September 1921Vasteras-Hasslo, SEdaily low min3.5 C (38.3 F)0.1 C (0.2 F)38 years15 of 100 (Routine)
1 September 1921St Lawrence Post Office, AUdaily rain10.4 mm (0.4 in)7.4 mm (0.29 in)12 years14 of 100 (Routine)
1 September 1921Isisford Post Office, AUdaily rain1.8 mm (0.07 in)1.8 mm (0.07 in)35 years14 of 100 (Routine)
1 September 1921Stonecliffe, CAdaily high max32.8 C (91.0 F)2.2 C (4.0 F)22 years14 of 100 (Routine)
1 September 1921Irkutsk, RUdaily high max28.4 C (83.1 F)1.8 C (3.2 F)29 years14 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

1797 to 1921
Records on 09-01 in each year Records set or tied on this calendar date in each year from 1797 to 1921. 1921 had 46 records. 05001,0001,5002,0001797: 11806: 11819: 11827: 11831: 11838: 11851: 11853: 11854: 11857: 11858: 11859: 11860: 21861: 11865: 11866: 11867: 21869: 31871: 11873: 11876: 21877: 21878: 31879: 21881: 51883: 11886: 31887: 31888: 21890: 21892: 21894: 31897: 41898: 101899: 31900: 21901: 141902: 51903: 161904: 91905: 61906: 261907: 141908: 261909: 341910: 221911: 161912: 471913: 321914: 231915: 461916: 161917: 241918: 311919: 191920: 311921: 461922: 671923: 751924: 2101925: 1271926: 1821927: 1361928: 1661929: 3241930: 2641931: 2331932: 5501933: 6221934: 6541935: 5841936: 3851937: 5021938: 3731939: 3031940: 3331941: 4971942: 5321943: 5781944: 3771945: 4971946: 6421947: 5551948: 4601949: 1,1021950: 8491951: 6681952: 6441953: 9371954: 4071955: 4131956: 5041957: 3201958: 4271959: 5191960: 4081961: 5311962: 3681963: 4161964: 6211965: 6571966: 5961967: 1,2631968: 6041969: 4931970: 5021971: 4641972: 5181973: 8741974: 8951975: 9391976: 6271977: 5001978: 8091979: 4591980: 6711981: 6491982: 6421983: 1,1671984: 6191985: 9011986: 9641987: 9091988: 6511989: 8231990: 7491991: 6871992: 1,0101993: 1,1221994: 1,2911995: 1,1651996: 8231997: 1,1611998: 1,1591999: 9252000: 1,6132001: 9042002: 7782003: 1,2542004: 8272005: 9012006: 1,1572007: 9762008: 1,2042009: 1,0032010: 1,3132011: 1,0712012: 8742013: 7752014: 5152015: 6612016: 5222017: 6862018: 3992019: 8002020: 6892021: 7512022: 1,0162023: 7202024: 9382025: 3592026: 5211797186918991916193319501967198420012018
Records set or tied on this calendar date in each year from 1797 to 1921. 1921 had 46 records.
Counts for years before the ledger starts come from the same station rules.
Records on 09-01 in each year
YearRecords
17971
18061
18191
18271
18311
18381
18511
18531
18541
18571
18581
18591
18602
18611
18651
18661
18672
18693
18711
18731
18762
18772
18783
18792
18815
18831
18863
18873
18882
18902
18922
18943
18974
189810
18993
19002
190114
19025
190316
19049
19056
190626
190714
190826
190934
191022
191116
191247
191332
191423
191546
191616
191724
191831
191919
192031
192146
192267
192375
1924210
1925127
1926182
1927136
1928166
1929324
1930264
1931233
1932550
1933622
1934654
1935584
1936385
1937502
1938373
1939303
1940333
1941497
1942532
1943578
1944377
1945497
1946642
1947555
1948460
19491,102
1950849
1951668
1952644
1953937
1954407
1955413
1956504
1957320
1958427
1959519
1960408
1961531
1962368
1963416
1964621
1965657
1966596
19671,263
1968604
1969493
1970502
1971464
1972518
1973874
1974895
1975939
1976627
1977500
1978809
1979459
1980671
1981649
1982642
19831,167
1984619
1985901
1986964
1987909
1988651
1989823
1990749
1991687
19921,010
19931,122
19941,291
19951,165
1996823
19971,161
19981,159
1999925
20001,613
2001904
2002778
20031,254
2004827
2005901
20061,157
2007976
20081,204
20091,003
20101,313
20111,071
2012874
2013775
2014515
2015661
2016522
2017686
2018399
2019800
2020689
2021751
20221,016
2023720
2024938
2025359
2026521

Download the Data

  • Data for records on 1921-09-01: 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).