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

Heat wave in France and 23 other countries, 12 September to 2 October 2019

Heat wave in France and 23 other countries, 12 September to 2 October 2019: 525 records at 290 stations, peak on 21 September 2019. Closed.

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

Key Facts

  • Heat wave in France and 23 other countries, 12 September to 2 October 2019 set or tied 525 station records at 290 stations.
  • It ran from 12 September 2019 to 2 October 2019 (21 days) and its peak day was 21 September 2019.
  • Status: closed.
  • Stornoway Airport set a daily record high maximum temperature of 20.8 C (69.4 F) on 20 September 2019.
  • The busiest day was 21 September 2019 with 57 records.
  • The oldest broken record in the ranked list had stood for 134 years.

Footprint

12 September to 2 October 2019
Footprint of Heat wave in France and 23 other countries, 12 September to 2 October 2019 The area covered by Heat wave in France and 23 other countries, 12 September to 2 October 2019 is outlined, with 15 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in France and 23 other countries, 12 September to 2 October 2019 is outlined, with 15 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in France and 23 other countries, 12 September to 2 October 2019: stations that set records in the event
StationTypeValueDate
Stornoway AirportRecord high maximum temperature20.8 C (69.4 F)2019-09-20
BiskraRecord high minimum temperature29.9 C (85.8 F)2019-09-22
KarlshamnRecord high maximum temperature22.7 C (72.9 F)2019-09-21
LaghouatRecord high maximum temperature38.5 C (101.3 F)2019-09-23
Nemours (Ghazaouet)Record high minimum temperature22.4 C (72.3 F)2019-09-20
UlricehamnRecord high maximum temperature22.5 C (72.5 F)2019-09-21
ValleyRecord high maximum temperature27.4 C (81.3 F)2019-09-20
Marseilles-MarignaneRecord high maximum temperature31.6 C (88.9 F)2019-09-16
Poitiers - BiardRecord high minimum temperature17.0 C (62.6 F)2019-09-21
MontabaurRecord high minimum temperature12.8 C (55.0 F)2019-09-28
Oksoey FyrRecord high maximum temperature18.7 C (65.7 F)2019-09-20
Barcelona/AeropuertoRecord high minimum temperature21.7 C (71.1 F)2019-09-25
MontelimarRecord high maximum temperature33.3 C (91.9 F)2019-09-16
NalutRecord high minimum temperature26.0 C (78.8 F)2019-09-23
Trier-ZewenRecord high minimum temperature14.2 C (57.6 F)2019-09-27

Records per Day

Peak day 57
Records per day during Heat wave in France and 23 other countries, 12 September to 2 October 2019 Records set or tied each day from 12 September 2019 to 2 October 2019. The most in one day was 57 on 21 September 2019. 0 15 30 45 60 09-1209-1509-1809-2109-2409-2709-30
Records set or tied each day from 12 September 2019 to 2 October 2019. The most in one day was 57 on 21 September 2019.
Records per day during Heat wave in France and 23 other countries, 12 September to 2 October 2019
DateRecords
2019-09-1216
2019-09-1313
2019-09-1423
2019-09-1544
2019-09-1639
2019-09-1713
2019-09-1818
2019-09-1912
2019-09-2030
2019-09-2157
2019-09-2252
2019-09-2318
2019-09-2414
2019-09-2538
2019-09-2624
2019-09-2727
2019-09-289
2019-09-2925
2019-09-3028
2019-10-0118
2019-10-027

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in France and 23 other countries, 12 September to 2 October 2019 ranked by margin
Valley, 09-205.4 C (9.7 F)
Stornoway Airport, 09-203.0 C (5.4 F)
Biskra, 09-222.7 C (4.9 F)
Laghouat, 09-232.5 C (4.5 F)
Montabaur, 09-282.1 C (3.8 F)
Karlshamn, 09-211.7 C (3.1 F)
Laghouat, 09-241.5 C (2.7 F)
Laghouat, 09-251.4 C (2.5 F)
Laghouat, 09-291.4 C (2.5 F)
Trier-Zewen, 09-271.4 C (2.5 F)
Montelimar, 09-161.3 C (2.3 F)
Marseilles-Marignane, 09-161.2 C (2.2 F)
Oksoey Fyr, 09-201.0 C (1.8 F)
Laghouat, 09-260.8 C (1.4 F)
Nalut, 09-230.8 C (1.4 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 France and 23 other countries, 12 September to 2 October 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 38 75 113 150 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 France and 23 other countries, 12 September to 2 October 2019
Margin (C)Years the old record stood
3.0116
2.7130
2.5130
1.7134
1.5109
1.4130
1.4109
0.8125
0.4100
0.5129
0.5116
5.420
1.286
0.397
2.180
1.080
0.292
1.372
1.469
0.880
0.280
0.772
1.568
1.857
2.252
2.161
0.473
0.869
2.928
2.450
2.738
0.169
1.852
2.622
1.057
1.562
0.660
0.168
0.162
1.460
0.257
1.654
0.265
0.265
0.660
1.850
0.657
0.254
0.462
1.062
0.562
0.760
0.645
0.156
0.556
3.533
0.752
0.550
0.160
1.532
1.838
0.852
2.820
1.248
1.732
2.945
0.948
2.745
0.557
2.441
0.453
0.648
0.450
0.353
0.452
0.252
0.252
3.136
2.536
2.733
3.136
1.042
0.852
3.120
0.850
2.129
1.432
0.748
0.744
2.328
0.142
1.732
2.536
0.452
1.940
0.144
2.220
0.152
2.620
0.545
1.736
1.716
2.636
0.152
0.544
0.744
1.029
0.838
0.628
0.845
0.715
0.544
0.149
2.420
2.620
0.640
0.248
0.830
1.240
1.828
3.517
0.628
0.141
0.332
1.245
1.736
1.726
1.436
1.032
1.237
1.628
4.98
0.744
0.544
2.314
0.632
1.533
2.413
1.722
0.641
0.437
0.932
0.328
0.129
0.842
0.445
0.645
2.432
0.244
0.445
1.026
0.445
0.545
0.133
1.612
0.340
2.130
1.032
1.121
0.345
1.832
1.528
2.328
1.232
0.136
1.85
0.136
0.632
0.437
1.129
0.732
0.736
0.133
1.312
1.529
1.129
0.732
1.520
1.029
0.541
2.517
1.49
1.520
0.429
0.932
0.836
0.930
0.32
1.132
2.320
1.029
0.330
2.320
1.712
2.60
0.636
0.133
1.528
0.928
1.112

Compared With Other Events

Station records per event
Station records in Heat wave in France and 23 other countries, 12 September to 2 October 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 France and 23 other countries, 12 September to 2 October 2019 (this event)525 records

Every Record Set

20 of 525
Every record set or tied during Heat wave in France and 23 other countries, 12 September to 2 October 2019, in date order
DateStationRecordValueMarginYears stoodSignificance
2019-09-16Marseilles-MarignaneRecord high maximum temperature31.6 C (88.9 F)1.2 C (2.2 F)8638 of 100 (Notable)
2019-09-16MontelimarRecord high maximum temperature33.3 C (91.9 F)1.3 C (2.3 F)7234 of 100 (Routine)
2019-09-20Stornoway AirportRecord high maximum temperature20.8 C (69.4 F)3.0 C (5.4 F)11654 of 100 (Notable)
2019-09-20Nemours (Ghazaouet)Record high minimum temperature22.4 C (72.3 F)0.4 C (0.7 F)10041 of 100 (Notable)
2019-09-20ValleyRecord high maximum temperature27.4 C (81.3 F)5.4 C (9.7 F)2040 of 100 (Notable)
2019-09-20Oksoey FyrRecord high maximum temperature18.7 C (65.7 F)1.0 C (1.8 F)8036 of 100 (Notable)
2019-09-21KarlshamnRecord high maximum temperature22.7 C (72.9 F)1.7 C (3.1 F)13446 of 100 (Notable)
2019-09-21UlricehamnRecord high maximum temperature22.5 C (72.5 F)0.5 C (0.9 F)11641 of 100 (Notable)
2019-09-21Poitiers - BiardRecord high minimum temperature17.0 C (62.6 F)0.3 C (0.5 F)9738 of 100 (Notable)
2019-09-22BiskraRecord high minimum temperature29.9 C (85.8 F)2.7 C (4.9 F)13048 of 100 (Notable)
2019-09-23LaghouatRecord high maximum temperature38.5 C (101.3 F)2.5 C (4.5 F)13046 of 100 (Notable)
2019-09-23NalutRecord high minimum temperature26.0 C (78.8 F)0.8 C (1.4 F)8034 of 100 (Routine)
2019-09-24LaghouatRecord high minimum temperature20.5 C (68.9 F)1.5 C (2.7 F)10944 of 100 (Notable)
2019-09-25LaghouatRecord high maximum temperature36.4 C (97.5 F)1.4 C (2.5 F)13043 of 100 (Notable)
2019-09-25Barcelona/AeropuertoRecord high minimum temperature21.7 C (71.1 F)0.2 C (0.4 F)9236 of 100 (Notable)
2019-09-26LaghouatRecord high maximum temperature36.8 C (98.2 F)0.8 C (1.4 F)12542 of 100 (Notable)
2019-09-27Trier-ZewenRecord high minimum temperature14.2 C (57.6 F)1.4 C (2.5 F)6934 of 100 (Routine)
2019-09-28LaghouatRecord high maximum temperature35.5 C (95.9 F)0.5 C (0.9 F)12941 of 100 (Notable)
2019-09-28MontabaurRecord high minimum temperature12.8 C (55.0 F)2.1 C (3.8 F)8037 of 100 (Notable)
2019-09-29LaghouatRecord high maximum temperature36.4 C (97.5 F)1.4 C (2.5 F)10943 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 525 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.