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Weather Records on 15 September 1911

40 weather records were set or tied worldwide on 15 September 1911. Highest significance: Hohenpeissenberg, DE.

Key Facts for 15 September 1911

  • On 15 September 1911, 40 weather records were set or tied at long-record stations worldwide.
  • 8 were record highs and 10 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 39 daily.
  • Hohenpeissenberg set a daily record precipitation of 42.5 mm (1.7 in) on 15 September 1911.
  • Across 170 earlier years (1797 to 2026) the same calendar date averaged 415 records.

Record Map

40 stations
Weather records on 15 September 1911 40 station records on 15 September 1911 are marked on the map, coloured by record type.
40 station records on 15 September 1911 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 15 September 1911: highest significance records shown on the map
StationCountryTypeValueSignificance
HohenpeissenbergGermanyRecord daily precipitation42.5 mm (1.7 in)57 of 100 (Notable)
Windsor RiversideCanadaRecord daily precipitation40.1 mm (1.6 in)44 of 100 (Notable)
BjuroklubbSwedenRecord daily precipitation32.0 mm (1.3 in)39 of 100 (Notable)
Cape Otway LighthouseAustraliaRecord daily precipitation30.0 mm (1.2 in)33 of 100 (Routine)
Bathurst GaolAustraliaRecord high minimum temperature12.2 C (54.0 F)21 of 100 (Routine)
Caledon (Pol)South AfricaRecord daily precipitation20.6 mm (0.8 in)20 of 100 (Routine)
Montreal McGillCanadaRecord daily precipitation14.5 mm (0.6 in)20 of 100 (Routine)
WoodstockCanadaRecord daily precipitation28.7 mm (1.1 in)19 of 100 (Routine)
HalifaxCanadaRecord low minimum temperature0.0 C (32.0 F)19 of 100 (Routine)
Gotska SandonSwedenRecord daily precipitation10.5 mm (0.4 in)19 of 100 (Routine)
Cleveland 2717 EuclidUnited StatesRecord daily precipitation31.0 mm (1.2 in)18 of 100 (Routine)
Warrnambool Shire OfficeAustraliaRecord daily precipitation9.4 mm (0.37 in)16 of 100 (Routine)
Saint JohnCanadaRecord low maximum temperature12.2 C (54.0 F)16 of 100 (Routine)
CharlottetownCanadaRecord low minimum temperature1.7 C (35.1 F)16 of 100 (Routine)
ConcordUnited StatesRecord low maximum temperature13.3 C (55.9 F)16 of 100 (Routine)
Casterton (Warrock)AustraliaRecord daily precipitation11.2 mm (0.4 in)15 of 100 (Routine)
Paarl (Tnk)South AfricaRecord daily precipitation28.4 mm (1.1 in)15 of 100 (Routine)
PesaroItalyRecord daily precipitation22.0 mm (0.9 in)14 of 100 (Routine)
Montgomery Wb CityUnited StatesRecord high minimum temperature24.4 C (75.9 F)14 of 100 (Routine)
ChathamCanadaRecord low minimum temperature0.0 C (32.0 F)13 of 100 (Routine)
KremsmuensterAustriaRecord daily precipitation40.8 mm (1.6 in)12 of 100 (Routine)
StratfordCanadaRecord daily precipitation35.3 mm (1.4 in)12 of 100 (Routine)
DalhousieCanadaRecord low minimum temperature0.0 C (32.0 F)12 of 100 (Routine)
BredasdorpSouth AfricaRecord daily precipitation14.0 mm (0.6 in)12 of 100 (Routine)
Olympia Priest Pt ParkUnited StatesRecord daily precipitation24.1 mm (0.9 in)12 of 100 (Routine)
BambergGermanyRecord daily precipitation12.6 mm (0.5 in)11 of 100 (Routine)
ArhangelskRussiaRecord low minimum temperature1.3 C (34.3 F)11 of 100 (Routine)
WorcesterSouth AfricaRecord daily precipitation11.7 mm (0.5 in)10 of 100 (Routine)
EscanabaUnited StatesRecord high maximum temperature26.7 C (80.1 F)9 of 100 (Routine)
Port ArthurCanadaRecord high maximum temperature23.9 C (75.0 F)8 of 100 (Routine)
YarmouthCanadaRecord low minimum temperature0.6 C (33.1 F)8 of 100 (Routine)
Philadelphia CityUnited StatesRecord low maximum temperature18.9 C (66.0 F)8 of 100 (Routine)
MortlakeAustraliaRecord daily precipitation11.4 mm (0.4 in)7 of 100 (Routine)
Fredericton UnbCanadaRecord low minimum temperature-2.2 C (28.0 F)7 of 100 (Routine)
Zagreb-GricCroatiaRecord high minimum temperature16.0 C (60.8 F)5 of 100 (Routine)
Little Rock St CapitolUnited StatesRecord high minimum temperature24.4 C (75.9 F)5 of 100 (Routine)
HamiltonAustraliaRecord daily precipitation11.2 mm (0.4 in)4 of 100 (Routine)
Stony MountainCanadaRecord high minimum temperature18.3 C (64.9 F)4 of 100 (Routine)
Zagreb-GricCroatiaRecord high maximum temperature27.7 C (81.9 F)4 of 100 (Routine)
DimboolaAustraliaRecord daily precipitation2.5 mm (0.10 in)0 of 100 (Routine)

Counts by Type and Timescale

40 records
Records on 15 September 1911 by type Records set or tied on 15 September 1911 by type: Highest daily maximum 3, Lowest daily maximum 3, Highest daily minimum 5, Lowest daily minimum 7, Heaviest daily rainfall 22. 0102030Highest daily maximum: 3Lowest daily maximum: 3Highest daily minimum: 5Lowest daily minimum: 7Heaviest daily rainfall: 22Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 15 September 1911 by type: Highest daily maximum 3, Lowest daily maximum 3, Highest daily minimum 5, Lowest daily minimum 7, Heaviest daily rainfall 22.
Records on 15 September 1911 by type
Record typeRecords
Highest daily maximum3
Lowest daily maximum3
Highest daily minimum5
Lowest daily minimum7
Heaviest daily rainfall22
Heaviest daily snowfall0
Deepest snow cover0
Records on 15 September 1911 by timescale Records on 15 September 1911 by timescale: all-time 0, monthly 1, daily 39. 010203040all-time: 0monthly: 1daily: 39all-timemonthlydaily
Records on 15 September 1911 by timescale: all-time 0, monthly 1, daily 39.
Records on 15 September 1911 by timescale
TimescaleRecords
all-time0
monthly1
daily39

How Much Records Were Beaten By

38 broken records
Histogram of margins by which records were beaten on 15 September 1911 Margins by which the 38 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 23.8. Ties are not counted. 01020300 to 5: 235 to 10: 810 to 15: 315 to 20: 220 to 25: 20 to 55 to 1010 to 1515 to 2020 to 25
Margins by which the 38 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 23.8. Ties are not counted.
Histogram of margins by which records were beaten on 15 September 1911
MarginRecords
0 to 523
5 to 108
10 to 153
15 to 202
20 to 252

Top 20 by Significance

15 September 1911
Top 20 records on 15 September 1911 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
15 September 1911Hohenpeissenberg, DEdaily rain42.5 mm (1.7 in)19.2 mm (0.8 in)83 years57 of 100 (Notable)
15 September 1911Windsor Riverside, CAdaily rain40.1 mm (1.6 in)23.8 mm (0.9 in)39 years44 of 100 (Notable)
15 September 1911Bjuroklubb, SEdaily rain32.0 mm (1.3 in)20.0 mm (0.8 in)11 years39 of 100 (Notable)
15 September 1911Cape Otway Lighthouse, AUdaily rain30.0 mm (1.2 in)10.2 mm (0.4 in)34 years33 of 100 (Routine)
15 September 1911Bathurst Gaol, AUdaily high min12.2 C (54.0 F)3.3 C (5.9 F)25 years21 of 100 (Routine)
15 September 1911Caledon (Pol), ZAdaily rain20.6 mm (0.8 in)16.5 mm (0.6 in)13 years20 of 100 (Routine)
15 September 1911Montreal McGill, CAdaily rain14.5 mm (0.6 in)5.1 mm (0.20 in)36 years20 of 100 (Routine)
15 September 1911Woodstock, CAdaily rain28.7 mm (1.1 in)13.0 mm (0.5 in)9 years19 of 100 (Routine)
15 September 1911Halifax, CAdaily low min0.0 C (32.0 F)1.7 C (3.1 F)39 years19 of 100 (Routine)
15 September 1911Gotska Sandon, SEdaily rain10.5 mm (0.4 in)5.0 mm (0.20 in)19 years19 of 100 (Routine)
15 September 1911Cleveland 2717 Euclid, USdaily rain31.0 mm (1.2 in)11.9 mm (0.5 in)14 years18 of 100 (Routine)
15 September 1911Warrnambool Shire Office, AUdaily rain9.4 mm (0.37 in)2.8 mm (0.11 in)26 years16 of 100 (Routine)
15 September 1911Saint John, CAdaily low max12.2 C (54.0 F)0.6 C (1.1 F)39 years16 of 100 (Routine)
15 September 1911Charlottetown, CAdaily low min1.7 C (35.1 F)1.6 C (2.9 F)26 years16 of 100 (Routine)
15 September 1911Concord, USdaily low max13.3 C (55.9 F)0.6 C (1.1 F)39 years16 of 100 (Routine)
15 September 1911Casterton (Warrock), AUdaily rain11.2 mm (0.4 in)3.6 mm (0.14 in)20 years15 of 100 (Routine)
15 September 1911Paarl (Tnk), ZAdaily rain28.4 mm (1.1 in)6.8 mm (0.27 in)20 years15 of 100 (Routine)
15 September 1911Pesaro, ITdaily rain22.0 mm (0.9 in)5.2 mm (0.20 in)21 years14 of 100 (Routine)
15 September 1911Montgomery Wb City, USdaily high min24.4 C (75.9 F)1.1 C (2.0 F)24 years14 of 100 (Routine)
15 September 1911Chatham, CAdaily low min0.0 C (32.0 F)1.1 C (2.0 F)26 years13 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 1911
Records on 09-15 in each year Records set or tied on this calendar date in each year from 1797 to 1911. 1911 had 40 records. 01,0002,0003,0001797: 11803: 11806: 21810: 11816: 11818: 11823: 21833: 11836: 11837: 21839: 11841: 11848: 11850: 11851: 11854: 21856: 11857: 11859: 11864: 11865: 21866: 11867: 21868: 11869: 11872: 11873: 21876: 21877: 21880: 11881: 11882: 61884: 31885: 41886: 21887: 31888: 11889: 51890: 11894: 41895: 11897: 11898: 31899: 31900: 11901: 121902: 71903: 311904: 301905: 161906: 61907: 71908: 161909: 161910: 21911: 401912: 641913: 431914: 181915: 941916: 441917: 501918: 501919: 521920: 1641921: 1221922: 531923: 1931924: 1031925: 1121926: 1341927: 5391928: 861929: 991930: 2351931: 4221932: 2951933: 3221934: 3511935: 4631936: 4601937: 3371938: 2471939: 1,0981940: 1811941: 2761942: 2781943: 3601944: 3961945: 4181946: 4111947: 6211948: 5571949: 5231950: 7501951: 2831952: 4551953: 4001954: 5181955: 5321956: 6461957: 4491958: 2941959: 8441960: 4101961: 5861962: 5571963: 4551964: 8391965: 6141966: 5341967: 5781968: 4291969: 3621970: 1,1571971: 5981972: 3561973: 7741974: 3861975: 7391976: 6671977: 4001978: 6281979: 1,0221980: 5631981: 6131982: 1,3151983: 7561984: 7661985: 7641986: 9281987: 7191988: 8181989: 9551990: 9111991: 1,1651992: 9191993: 2,2271994: 1,3631995: 7231996: 1,2121997: 1,1771998: 1,7681999: 8582000: 1,1752001: 8372002: 1,2122003: 8552004: 8932005: 1,1232006: 1,0422007: 9462008: 1,1532009: 7732010: 9132011: 1,1702012: 5682013: 8542014: 4432015: 9972016: 9882017: 8252018: 8742019: 5382020: 7852021: 4672022: 3922023: 5072024: 6812025: 5032026: 7791797185918881910192819461964198220002018
Records set or tied on this calendar date in each year from 1797 to 1911. 1911 had 40 records.
Counts for years before the ledger starts come from the same station rules.
Records on 09-15 in each year
YearRecords
17971
18031
18062
18101
18161
18181
18232
18331
18361
18372
18391
18411
18481
18501
18511
18542
18561
18571
18591
18641
18652
18661
18672
18681
18691
18721
18732
18762
18772
18801
18811
18826
18843
18854
18862
18873
18881
18895
18901
18944
18951
18971
18983
18993
19001
190112
19027
190331
190430
190516
19066
19077
190816
190916
19102
191140
191264
191343
191418
191594
191644
191750
191850
191952
1920164
1921122
192253
1923193
1924103
1925112
1926134
1927539
192886
192999
1930235
1931422
1932295
1933322
1934351
1935463
1936460
1937337
1938247
19391,098
1940181
1941276
1942278
1943360
1944396
1945418
1946411
1947621
1948557
1949523
1950750
1951283
1952455
1953400
1954518
1955532
1956646
1957449
1958294
1959844
1960410
1961586
1962557
1963455
1964839
1965614
1966534
1967578
1968429
1969362
19701,157
1971598
1972356
1973774
1974386
1975739
1976667
1977400
1978628
19791,022
1980563
1981613
19821,315
1983756
1984766
1985764
1986928
1987719
1988818
1989955
1990911
19911,165
1992919
19932,227
19941,363
1995723
19961,212
19971,177
19981,768
1999858
20001,175
2001837
20021,212
2003855
2004893
20051,123
20061,042
2007946
20081,153
2009773
2010913
20111,170
2012568
2013854
2014443
2015997
2016988
2017825
2018874
2019538
2020785
2021467
2022392
2023507
2024681
2025503
2026779

Download the Data

  • Data for records on 1911-09-15: 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).