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Built 2026-10-19 (19 October 2026)

Heat wave in Australia, 1 to 8 September 2023

Heat wave in Australia, 1 to 8 September 2023: 114 records at 92 stations, peak on 7 September 2023. Closed.

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

Key Facts

  • Heat wave in Australia, 1 to 8 September 2023 set or tied 114 station records at 92 stations.
  • It ran from 1 September 2023 to 8 September 2023 (8 days) and its peak day was 7 September 2023.
  • Status: closed.
  • Bairnsdale Airport set a daily record high maximum temperature of 26.0 C (78.8 F) on 7 September 2023.
  • The busiest day was 7 September 2023 with 60 records.
  • The oldest broken record in the ranked list had stood for 78 years.

Footprint

1 to 8 September 2023
Footprint of Heat wave in Australia, 1 to 8 September 2023 The area covered by Heat wave in Australia, 1 to 8 September 2023 is outlined, with 19 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Australia, 1 to 8 September 2023 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, 1 to 8 September 2023: stations that set records in the event
StationTypeValueDate
Bairnsdale AirportRecord high maximum temperature26.0 C (78.8 F)2023-09-07
Wagga Wagga AMORecord high maximum temperature24.4 C (75.9 F)2023-09-07
East Sale AirportRecord high maximum temperature25.4 C (77.7 F)2023-09-07
Laverton RaafRecord high minimum temperature11.9 C (53.4 F)2023-09-07
Bathurst Agricultural StationRecord high maximum temperature24.6 C (76.3 F)2023-09-07
Neptune IslandRecord high maximum temperature22.0 C (71.6 F)2023-09-06
Butlers GorgeRecord high minimum temperature6.8 C (44.2 F)2023-09-07
Yamba Pilot StationRecord high maximum temperature31.5 C (88.7 F)2023-09-05
Lostock DamRecord high maximum temperature29.4 C (84.9 F)2023-09-07
Lake EildonRecord high maximum temperature24.5 C (76.1 F)2023-09-07
Mungindi Post OfficeRecord high minimum temperature18.1 C (64.6 F)2023-09-08
Bombala (Therry Street)Record high maximum temperature21.5 C (70.7 F)2023-09-06
Cabramurra SmheaRecord high maximum temperature14.3 C (57.7 F)2023-09-07
Gabo Island LighthouseRecord high maximum temperature21.7 C (71.1 F)2023-09-07
Double Island Point LighthouseRecord high minimum temperature20.0 C (68.0 F)2023-09-08
Gunnedah Resource CentreRecord high maximum temperature28.4 C (83.1 F)2023-09-04
Pindari DamRecord high minimum temperature15.0 C (59.0 F)2023-09-05
Isisford Post OfficeRecord high minimum temperature19.9 C (67.8 F)2023-09-07
Griffith Airport AWSRecord high maximum temperature28.9 C (84.0 F)2023-09-07

Records per Day

Peak day 60
Records per day during Heat wave in Australia, 1 to 8 September 2023 Records set or tied each day from 1 September 2023 to 8 September 2023. The most in one day was 60 on 7 September 2023. 0 15 30 45 60 09-0109-0209-0309-0409-0509-0609-0709-08
Records set or tied each day from 1 September 2023 to 8 September 2023. The most in one day was 60 on 7 September 2023.
Records per day during Heat wave in Australia, 1 to 8 September 2023
DateRecords
2023-09-014
2023-09-021
2023-09-033
2023-09-0415
2023-09-057
2023-09-067
2023-09-0760
2023-09-0817

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Australia, 1 to 8 September 2023 ranked by margin
Yamba Pilot Station, 09-054.0 C (7.2 F)
Bathurst Agricultural Station, 09-073.5 C (6.3 F)
Lake Eildon, 09-072.7 C (4.9 F)
Gabo Island Lighthouse, 09-072.3 C (4.1 F)
Neptune Island, 09-062.2 C (4.0 F)
Lostock Dam, 09-072.1 C (3.8 F)
Mungindi Post Office, 09-082.1 C (3.8 F)
Cabramurra Smhea, 09-071.9 C (3.4 F)
Gunnedah Resource Centre, 09-041.9 C (3.4 F)
Griffith Airport AWS, 09-071.9 C (3.4 F)
Butlers Gorge, 09-071.8 C (3.2 F)
Bairnsdale Airport, 09-071.6 C (2.9 F)
Wagga Wagga AMO, 09-071.2 C (2.2 F)
East Sale Airport, 09-070.9 C (1.6 F)
Mungindi Post Office, 09-070.9 C (1.6 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, 1 to 8 September 2023 114 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 20 40 60 80 0.01.02.03.04.0 Margin (C) Years the old record stood
114 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, 1 to 8 September 2023
Margin (C)Years the old record stood
1.678
1.278
0.972
0.172
3.550
2.234
1.842
4.05
2.142
2.140
2.732
0.440
0.944
0.350
1.933
2.320
0.840
0.844
1.928
1.932
1.332
0.724
0.330
0.142
0.342
0.342
0.829
1.328
1.328
0.528
1.821
0.932
2.06
1.46
1.220
0.718
1.74
1.420
1.618
0.132
1.36
1.617
0.324
1.322
1.122
0.418
0.525
0.532
0.525
0.213
1.41
1.018
0.422
0.822
0.918
2.39
3.12
0.229
0.521
1.24
0.425
0.126
0.228
1.99
0.64
0.74
0.125
0.64
0.49
0.422
0.521
2.62
0.720
0.416
0.120
2.09
1.19
1.19
1.79
1.02
1.12
0.612
0.312
0.84
0.312
1.19
2.22
1.22
0.79
1.82
1.32
1.49
0.32
0.24
0.19
0.39
0.39
0.410
0.76
0.24
0.24
0.34
1.32
0.79
0.58
0.54
0.24
0.12
0.92
0.22
0.34
0.62
0.32
0.32

Compared With Other Events

Station records per event
Station records in Heat wave in Australia, 1 to 8 September 2023 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, 1 to 8 September 2023 (this event)114 records

Every Record Set

20 of 114
Every record set or tied during Heat wave in Australia, 1 to 8 September 2023, in date order
DateStationRecordValueMarginYears stoodSignificance
2023-09-04Gunnedah Resource CentreRecord high maximum temperature28.4 C (83.1 F)1.9 C (3.4 F)2819 of 100 (Routine)
2023-09-05Yamba Pilot StationRecord high maximum temperature31.5 C (88.7 F)4.0 C (7.2 F)523 of 100 (Routine)
2023-09-05Pindari DamRecord high minimum temperature15.0 C (59.0 F)0.8 C (1.4 F)4419 of 100 (Routine)
2023-09-06Neptune IslandRecord high maximum temperature22.0 C (71.6 F)2.2 C (4.0 F)3426 of 100 (Routine)
2023-09-06Bombala (Therry Street)Record high maximum temperature21.5 C (70.7 F)0.3 C (0.5 F)5020 of 100 (Routine)
2023-09-07Bairnsdale AirportRecord high maximum temperature26.0 C (78.8 F)1.6 C (2.9 F)7835 of 100 (Notable)
2023-09-07Wagga Wagga AMORecord high maximum temperature24.4 C (75.9 F)1.2 C (2.2 F)7834 of 100 (Routine)
2023-09-07East Sale AirportRecord high maximum temperature25.4 C (77.7 F)0.9 C (1.6 F)7230 of 100 (Routine)
2023-09-07Laverton RaafRecord high minimum temperature11.9 C (53.4 F)0.1 C (0.2 F)7229 of 100 (Routine)
2023-09-07Bathurst Agricultural StationRecord high maximum temperature24.6 C (76.3 F)3.5 C (6.3 F)5028 of 100 (Routine)
2023-09-07Butlers GorgeRecord high minimum temperature6.8 C (44.2 F)1.8 C (3.2 F)4224 of 100 (Routine)
2023-09-07Lostock DamRecord high maximum temperature29.4 C (84.9 F)2.1 C (3.8 F)4222 of 100 (Routine)
2023-09-07Lake EildonRecord high maximum temperature24.5 C (76.1 F)2.7 C (4.9 F)3221 of 100 (Routine)
2023-09-07Mungindi Post OfficeRecord high minimum temperature14.9 C (58.8 F)0.9 C (1.6 F)4420 of 100 (Routine)
2023-09-07Cabramurra SmheaRecord high maximum temperature14.3 C (57.7 F)1.9 C (3.4 F)3320 of 100 (Routine)
2023-09-07Gabo Island LighthouseRecord high maximum temperature21.7 C (71.1 F)2.3 C (4.1 F)2020 of 100 (Routine)
2023-09-07Isisford Post OfficeRecord high minimum temperature19.9 C (67.8 F)0.8 C (1.4 F)4019 of 100 (Routine)
2023-09-07Griffith Airport AWSRecord high maximum temperature28.9 C (84.0 F)1.9 C (3.4 F)3218 of 100 (Routine)
2023-09-08Mungindi Post OfficeRecord high minimum temperature18.1 C (64.6 F)2.1 C (3.8 F)4021 of 100 (Routine)
2023-09-08Double Island Point LighthouseRecord high minimum temperature20.0 C (68.0 F)0.4 C (0.7 F)4020 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 114 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.