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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Heat wave in Japan and 7 other countries, 27 August to 12 September 2019

Heat wave in Japan and 7 other countries, 27 August to 12 September 2019: 652 records at 272 stations, peak on 8 September 2019. Closed.

Data as of . Last revised (2026-10-17).

Key Facts

  • Heat wave in Japan and 7 other countries, 27 August to 12 September 2019 set or tied 652 station records at 272 stations.
  • It ran from 27 August 2019 to 12 September 2019 (17 days) and its peak day was 8 September 2019.
  • Status: closed.
  • Krasnyj Chikoj set a monthly record high maximum temperature of 31.2 C (88.2 F) on 3 September 2019.
  • The busiest day was 8 September 2019 with 128 records.
  • The oldest broken record in the ranked list had stood for 92 years.

Footprint

27 August to 12 September 2019
Footprint of Heat wave in Japan and 7 other countries, 27 August to 12 September 2019 The area covered by Heat wave in Japan and 7 other countries, 27 August to 12 September 2019 is outlined, with 20 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Japan and 7 other countries, 27 August to 12 September 2019 is outlined, with 20 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Japan and 7 other countries, 27 August to 12 September 2019: stations that set records in the event
StationTypeValueDate
Krasnyj ChikojRecord high maximum temperature31.2 C (88.2 F)2019-09-03
PoronajskRecord high maximum temperature28.0 C (82.4 F)2019-09-09
RumoiRecord high maximum temperature32.0 C (89.6 F)2019-09-08
VladivostokRecord high minimum temperature20.6 C (69.1 F)2019-09-07
Krasnyj JarRecord high maximum temperature30.7 C (87.3 F)2019-09-08
QitaiRecord high minimum temperature20.8 C (69.4 F)2019-08-31
YajljuRecord high minimum temperature16.3 C (61.3 F)2019-08-31
OtaruRecord high maximum temperature30.8 C (87.4 F)2019-09-08
AbashiriRecord high maximum temperature31.7 C (89.1 F)2019-09-09
NemuroRecord high maximum temperature29.5 C (85.1 F)2019-09-09
NaraRecord high minimum temperature25.1 C (77.2 F)2019-09-07
TimiryazevskijRecord high minimum temperature21.7 C (71.1 F)2019-09-07
MombetsuRecord high minimum temperature20.7 C (69.3 F)2019-09-08
BalaganskRecord high minimum temperature14.7 C (58.5 F)2019-09-01
Rudnaja PristanRecord high minimum temperature19.0 C (66.2 F)2019-09-08
HachinoheRecord high minimum temperature23.7 C (74.7 F)2019-09-09
UlleungdoRecord high minimum temperature23.5 C (74.3 F)2019-09-09
TurpanRecord high minimum temperature31.1 C (88.0 F)2019-08-29
AkitaRecord high maximum temperature34.4 C (93.9 F)2019-09-07
MutsuRecord high maximum temperature30.2 C (86.4 F)2019-09-08

Records per Day

Peak day 128
Records per day during Heat wave in Japan and 7 other countries, 27 August to 12 September 2019 Records set or tied each day from 27 August 2019 to 12 September 2019. The most in one day was 128 on 8 September 2019. 0 38 75 113 150 08-2708-2908-3109-0209-0409-0609-0809-1009-12
Records set or tied each day from 27 August 2019 to 12 September 2019. The most in one day was 128 on 8 September 2019.
Records per day during Heat wave in Japan and 7 other countries, 27 August to 12 September 2019
DateRecords
2019-08-279
2019-08-282
2019-08-2917
2019-08-3015
2019-08-3122
2019-09-0135
2019-09-0216
2019-09-0323
2019-09-0425
2019-09-0533
2019-09-0645
2019-09-0788
2019-09-08128
2019-09-09100
2019-09-1071
2019-09-1119
2019-09-124

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Japan and 7 other countries, 27 August to 12 September 2019 ranked by margin
Rumoi, 09-085.5 C (9.9 F)
Mombetsu, 09-083.6 C (6.5 F)
Abashiri, 09-093.4 C (6.1 F)
Hachinohe, 09-092.9 C (5.2 F)
Otaru, 09-082.8 C (5.0 F)
Qitai, 08-312.7 C (4.9 F)
Krasnyj Jar, 09-082.6 C (4.7 F)
Poronajsk, 09-092.3 C (4.1 F)
Yajlju, 08-312.0 C (3.6 F)
Turpan, 08-292.0 C (3.6 F)
Akita, 09-071.9 C (3.4 F)
Timiryazevskij, 09-071.6 C (2.9 F)
Rudnaja Pristan, 09-081.6 C (2.9 F)
Mutsu, 09-081.6 C (2.9 F)
Krasnyj Chikoj, 09-031.2 C (2.2 F)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

Margin against age of the broken record in Heat wave in Japan and 7 other countries, 27 August to 12 September 2019 500 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right. 0 25 50 75 100 0.01.53.04.56.0 Margin (C) Years the old record stood
500 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.
Margin against age of the broken record in Heat wave in Japan and 7 other countries, 27 August to 12 September 2019
Margin (C)Years the old record stood
1.284
2.392
5.557
2.678
0.290
2.766
3.464
2.864
0.550
2.066
3.652
0.158
1.669
0.349
2.956
0.176
1.669
2.064
1.664
1.964
1.166
1.764
2.257
3.840
1.857
1.664
1.762
2.727
1.664
1.462
1.064
2.056
1.562
1.856
1.660
0.536
1.264
2.644
2.46
0.864
1.457
1.064
0.964
2.152
2.052
1.160
0.864
1.262
0.864
0.664
1.162
1.456
3.050
1.252
1.050
0.736
0.950
0.664
0.956
0.762
1.156
1.056
0.464
0.760
1.852
1.752
1.156
0.862
0.366
0.762
0.335
1.252
0.164
0.960
2.450
0.362
0.133
1.752
0.364
0.164
0.956
0.264
0.762
0.462
0.364
2.344
1.752
1.152
0.756
1.552
1.552
0.662
1.052
4.329
4.220
2.344
0.525
0.329
1.644
0.262
0.127
0.457
0.262
1.548
0.262
0.262
3.733
0.525
0.250
3.934
3.828
3.814
0.157
1.048
1.448
0.552
0.852
0.157
0.225
0.156
0.852
0.852
0.256
1.641
2.044
2.530
1.844
0.920
2.57
2.133
3.130
2.038
2.532
3.220
0.944
1.541
1.144
1.148
0.452
0.552
0.746
0.652
2.924
0.552
0.652
1.246
0.352
0.452
0.852
0.552
2.042
2.038
2.242
0.320
3.533
0.219
1.93
0.418
2.436
1.342
0.219
1.244
2.832
0.941
0.219
0.152
0.352
0.352
0.152
0.252
0.152
0.252
0.152
0.548
1.138
0.317
0.250
1.642
0.217
1.632
1.333
1.47
0.219
0.319
2.710
3.020
1.042
1.532
1.041
0.444
0.941
0.252
3.121
0.89
1.628
0.148
2.229
0.148
0.741
0.252

Compared With Other Events

Station records per event
Station records in Heat wave in Japan and 7 other countries, 27 August to 12 September 2019 compared with similar events
Heat wave in United States and Mexico, 16 January to 14 February 20249,869 records
Heat wave in United States, 28 January to 24 February 20266,528 records
Heat wave in United States and Mexico, 24 May to 19 June 20205,047 records
Heat wave in United States and Mexico, 26 March to 17 April 20213,669 records
Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 20223,626 records
Heat wave in Japan and 7 other countries, 27 August to 12 September 2019 (this event)652 records

Every Record Set

20 of 652
Every record set or tied during Heat wave in Japan and 7 other countries, 27 August to 12 September 2019, in date order
DateStationRecordValueMarginYears stoodSignificance
2019-08-29TurpanRecord high minimum temperature31.1 C (88.0 F)2.0 C (3.6 F)6430 of 100 (Routine)
2019-08-31QitaiRecord high minimum temperature20.8 C (69.4 F)2.7 C (4.9 F)6634 of 100 (Routine)
2019-08-31YajljuRecord high minimum temperature16.3 C (61.3 F)2.0 C (3.6 F)6634 of 100 (Routine)
2019-09-01BalaganskRecord high minimum temperature14.7 C (58.5 F)0.3 C (0.5 F)4932 of 100 (Routine)
2019-09-03Krasnyj ChikojRecord high maximum temperature31.2 C (88.2 F)1.2 C (2.2 F)8447 of 100 (Notable)
2019-09-07VladivostokRecord high minimum temperature20.6 C (69.1 F)0.2 C (0.4 F)9037 of 100 (Notable)
2019-09-07NaraRecord high minimum temperature25.1 C (77.2 F)0.1 C (0.2 F)5833 of 100 (Routine)
2019-09-07TimiryazevskijRecord high minimum temperature21.7 C (71.1 F)1.6 C (2.9 F)6933 of 100 (Routine)
2019-09-07AkitaRecord high maximum temperature34.4 C (93.9 F)1.9 C (3.4 F)6430 of 100 (Routine)
2019-09-08RumoiRecord high maximum temperature32.0 C (89.6 F)5.5 C (9.9 F)5741 of 100 (Notable)
2019-09-08Krasnyj JarRecord high maximum temperature30.7 C (87.3 F)2.6 C (4.7 F)7837 of 100 (Notable)
2019-09-08OtaruRecord high maximum temperature30.8 C (87.4 F)2.8 C (5.0 F)6434 of 100 (Routine)
2019-09-08MombetsuRecord high minimum temperature20.7 C (69.3 F)3.6 C (6.5 F)5233 of 100 (Routine)
2019-09-08Rudnaja PristanRecord high minimum temperature19.0 C (66.2 F)1.6 C (2.9 F)6931 of 100 (Routine)
2019-09-08MutsuRecord high maximum temperature30.2 C (86.4 F)1.6 C (2.9 F)6430 of 100 (Routine)
2019-09-09PoronajskRecord high maximum temperature28.0 C (82.4 F)2.3 C (4.1 F)9244 of 100 (Notable)
2019-09-09AbashiriRecord high maximum temperature31.7 C (89.1 F)3.4 C (6.1 F)6434 of 100 (Routine)
2019-09-09NemuroRecord high maximum temperature29.5 C (85.1 F)0.5 C (0.9 F)5034 of 100 (Routine)
2019-09-09HachinoheRecord high minimum temperature23.7 C (74.7 F)2.9 C (5.2 F)5631 of 100 (Routine)
2019-09-09UlleungdoRecord high minimum temperature23.5 C (74.3 F)0.1 C (0.2 F)7631 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 652 records the event counts. The counts above use the full total.

Download the Data

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)) Data as of 2026-10-17. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.