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Data as of 2026-10-12
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Built 2026-10-14 (14 October 2026)

Heat wave in Australia, 18 to 22 September 2019

Heat wave in Australia, 18 to 22 September 2019: 195 records at 119 stations, peak on 20 September 2019. Closed.

Data as of . Last revised (2026-10-12).

Key Facts

  • Heat wave in Australia, 18 to 22 September 2019 set or tied 195 station records at 119 stations.
  • It ran from 18 September 2019 to 22 September 2019 (5 days) and its peak day was 20 September 2019.
  • Status: closed.
  • Hobart (Ellerslie Road) set a daily record high maximum temperature of 27.2 C (81.0 F) on 20 September 2019.
  • The busiest day was 20 September 2019 with 102 records.
  • The oldest broken record in the ranked list had stood for 132 years.

Footprint

18 to 22 September 2019
Footprint of Heat wave in Australia, 18 to 22 September 2019 The area covered by Heat wave in Australia, 18 to 22 September 2019 is outlined, with 19 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Australia, 18 to 22 September 2019 is outlined, with 19 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Australia, 18 to 22 September 2019: stations that set records in the event
StationTypeValueDate
Hobart (Ellerslie Road)Record high maximum temperature27.2 C (81.0 F)2019-09-20
Sydney (Observatory Hill)Record high minimum temperature17.5 C (63.5 F)2019-09-21
Essendon AirportRecord high minimum temperature18.3 C (64.9 F)2019-09-21
Lake Cargelligo AirportRecord high minimum temperature21.4 C (70.5 F)2019-09-21
East Sale ComparisonRecord high maximum temperature26.9 C (80.4 F)2019-09-20
Wagga Wagga AMORecord high maximum temperature26.8 C (80.2 F)2019-09-20
Williamtown RaafRecord high minimum temperature17.3 C (63.1 F)2019-09-21
Bairnsdale AirportRecord high minimum temperature15.4 C (59.7 F)2019-09-21
Laverton RaafRecord high minimum temperature16.5 C (61.7 F)2019-09-20
Strahan AerodromeRecord high maximum temperature25.8 C (78.4 F)2019-09-20
Mangalore AirportRecord high minimum temperature16.2 C (61.2 F)2019-09-21
Mount WellingtonRecord high minimum temperature8.1 C (46.6 F)2019-09-21
Ceduna AMORecord high maximum temperature35.3 C (95.5 F)2019-09-19
Moorabbin AirportRecord high minimum temperature17.7 C (63.9 F)2019-09-20
Tatura Inst Sustainable AgRecord high minimum temperature15.3 C (59.5 F)2019-09-21
Launceston AirportRecord high maximum temperature20.1 C (68.2 F)2019-09-21
Sydney Airport AMORecord high minimum temperature17.4 C (63.3 F)2019-09-22
HawkerRecord high minimum temperature17.8 C (64.0 F)2019-09-20
Mildura AirportRecord high minimum temperature17.7 C (63.9 F)2019-09-20

Records per Day

Peak day 102
Records per day during Heat wave in Australia, 18 to 22 September 2019 Records set or tied each day from 18 September 2019 to 22 September 2019. The most in one day was 102 on 20 September 2019. 0 30 60 90 120 09-1809-1909-2009-2109-22
Records set or tied each day from 18 September 2019 to 22 September 2019. The most in one day was 102 on 20 September 2019.
Records per day during Heat wave in Australia, 18 to 22 September 2019
DateRecords
2019-09-181
2019-09-1914
2019-09-20102
2019-09-2168
2019-09-2210

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Australia, 18 to 22 September 2019 ranked by margin
Hawker, 09-206.1 C (11.0 F)
Strahan Aerodrome, 09-205.8 C (10.4 F)
Mangalore Airport, 09-215.4 C (9.7 F)
Bairnsdale Airport, 09-215.3 C (9.5 F)
Mildura Airport, 09-204.7 C (8.5 F)
Moorabbin Airport, 09-204.3 C (7.7 F)
Laverton Raaf, 09-203.7 C (6.7 F)
Tatura Inst Sustainable Ag, 09-213.7 C (6.7 F)
Lake Cargelligo Airport, 09-213.4 C (6.1 F)
Mount Wellington, 09-213.1 C (5.6 F)
East Sale Comparison, 09-203.0 C (5.4 F)
Essendon Airport, 09-202.3 C (4.1 F)
Hobart (Ellerslie Road), 09-202.2 C (4.0 F)
Wagga Wagga AMO, 09-201.6 C (2.9 F)
Williamtown Raaf, 09-211.2 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 Australia, 18 to 22 September 2019 195 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 0.02.55.07.510.0 Margin (C) Years the old record stood
195 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 Australia, 18 to 22 September 2019
Margin (C)Years the old record stood
2.2132
0.894
0.174
3.444
2.377
3.069
1.276
1.674
5.334
3.748
5.442
3.156
5.828
0.874
0.276
3.753
4.348
0.770
6.136
4.736
2.548
9.216
0.756
5.137
3.148
6.317
2.652
4.58
4.528
2.056
2.748
1.856
1.952
1.956
5.317
0.138
2.152
4.714
1.856
3.436
1.642
2.252
2.337
2.628
0.753
0.954
3.628
3.328
2.434
1.837
3.037
0.852
0.653
5.36
1.928
0.354
0.552
2.537
1.348
3.428
3.84
6.26
0.150
0.452
0.748
2.128
0.548
2.928
3.428
3.310
3.617
1.66
1.228
1.036
2.928
2.728
1.828
4.44
4.218
2.028
2.928
0.644
1.328
2.828
1.337
3.117
5.24
1.637
3.08
3.714
1.036
4.96
1.717
2.220
0.837
1.236
2.328
1.628
1.428
1.432
0.734
1.228
2.517
1.636
1.817
2.417
0.837
0.836
1.034
1.528
3.54
1.328
1.928
0.536
2.320
2.021
3.39
1.621
2.217
1.828
0.828
0.136
1.620
1.820
1.921
2.86
1.721
1.66
1.720
2.89
0.320
0.920
1.717
1.717
0.628
0.728
1.217
1.86
1.78
1.717
3.62
2.56
1.317
2.16
0.920
0.320
1.317
2.66
2.74
0.328
2.54
1.46
0.914
1.86
0.817
0.99
0.517
0.520
0.417
0.517
0.517
1.017
2.04
1.66
0.717
0.217
1.16
0.317
0.56
1.46
1.46
0.64
1.26
1.26
0.76
0.66
0.617
0.39
0.76
0.617
1.36
0.714
0.121
1.66
0.66
0.26
0.214
0.612
0.39
0.214
0.54
0.46
0.212
0.78
0.62

Compared With Other Events

Station records per event
Station records in Heat wave in Australia, 18 to 22 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 Australia, 18 to 22 September 2019 (this event)195 records

Every Record Set

20 of 195
Every record set or tied during Heat wave in Australia, 18 to 22 September 2019, in date order
DateStationRecordValueMarginYears stoodSignificance
2019-09-19Ceduna AMORecord high maximum temperature35.3 C (95.5 F)0.8 C (1.4 F)7431 of 100 (Routine)
2019-09-20Hobart (Ellerslie Road)Record high maximum temperature27.2 C (81.0 F)2.2 C (4.0 F)13246 of 100 (Notable)
2019-09-20Essendon AirportRecord high maximum temperature24.9 C (76.8 F)2.3 C (4.1 F)7737 of 100 (Notable)
2019-09-20East Sale ComparisonRecord high maximum temperature26.9 C (80.4 F)3.0 C (5.4 F)6935 of 100 (Notable)
2019-09-20Wagga Wagga AMORecord high maximum temperature26.8 C (80.2 F)1.6 C (2.9 F)7433 of 100 (Routine)
2019-09-20Laverton RaafRecord high minimum temperature16.5 C (61.7 F)3.7 C (6.7 F)4832 of 100 (Routine)
2019-09-20Strahan AerodromeRecord high maximum temperature25.8 C (78.4 F)5.8 C (10.4 F)2832 of 100 (Routine)
2019-09-20Moorabbin AirportRecord high minimum temperature17.7 C (63.9 F)4.3 C (7.7 F)4831 of 100 (Routine)
2019-09-20HawkerRecord high minimum temperature17.8 C (64.0 F)6.1 C (11.0 F)3630 of 100 (Routine)
2019-09-20Mildura AirportRecord high minimum temperature17.7 C (63.9 F)4.7 C (8.5 F)3630 of 100 (Routine)
2019-09-21Sydney (Observatory Hill)Record high minimum temperature17.5 C (63.5 F)0.8 C (1.4 F)9441 of 100 (Notable)
2019-09-21Essendon AirportRecord high minimum temperature18.3 C (64.9 F)0.1 C (0.2 F)7440 of 100 (Notable)
2019-09-21Lake Cargelligo AirportRecord high minimum temperature21.4 C (70.5 F)3.4 C (6.1 F)4437 of 100 (Notable)
2019-09-21Williamtown RaafRecord high minimum temperature17.3 C (63.1 F)1.2 C (2.2 F)7633 of 100 (Routine)
2019-09-21Bairnsdale AirportRecord high minimum temperature15.4 C (59.7 F)5.3 C (9.5 F)3433 of 100 (Routine)
2019-09-21Mangalore AirportRecord high minimum temperature16.2 C (61.2 F)5.4 C (9.7 F)4232 of 100 (Routine)
2019-09-21Mount WellingtonRecord high minimum temperature8.1 C (46.6 F)3.1 C (5.6 F)5632 of 100 (Routine)
2019-09-21Tatura Inst Sustainable AgRecord high minimum temperature15.3 C (59.5 F)3.7 C (6.7 F)5331 of 100 (Routine)
2019-09-21Launceston AirportRecord high maximum temperature20.1 C (68.2 F)0.7 C (1.3 F)7031 of 100 (Routine)
2019-09-22Sydney Airport AMORecord high minimum temperature17.4 C (63.3 F)0.2 C (0.4 F)7631 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 195 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 2026-10-12. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.