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Built 2026-10-19 (19 October 2026)

Heat wave in Australia, 7 to 13 September 2021

Heat wave in Australia, 7 to 13 September 2021: 106 records at 92 stations, peak on 11 September 2021. Closed.

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

Key Facts

  • Heat wave in Australia, 7 to 13 September 2021 set or tied 106 station records at 92 stations.
  • It ran from 7 September 2021 to 13 September 2021 (7 days) and its peak day was 11 September 2021.
  • Status: closed.
  • Adelaide West Terrace set a daily record high maximum temperature of 27.9 C (82.2 F) on 10 September 2021.
  • The busiest day was 11 September 2021 with 43 records.
  • The oldest broken record in the ranked list had stood for 96 years.

Footprint

7 to 13 September 2021
Footprint of Heat wave in Australia, 7 to 13 September 2021 The area covered by Heat wave in Australia, 7 to 13 September 2021 is outlined, with 20 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Australia, 7 to 13 September 2021 is outlined, with 20 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Australia, 7 to 13 September 2021: stations that set records in the event
StationTypeValueDate
Adelaide West TerraceRecord high maximum temperature27.9 C (82.2 F)2021-09-10
Mount Gambier Post OfficeRecord high maximum temperature23.5 C (74.3 F)2021-09-09
Mount Gambier AeroRecord high maximum temperature23.5 C (74.3 F)2021-09-09
KimbaRecord high minimum temperature17.0 C (62.6 F)2021-09-10
East Sale ComparisonRecord high maximum temperature26.4 C (79.5 F)2021-09-11
Narooma RvcpRecord high maximum temperature28.8 C (83.8 F)2021-09-11
Gabo Island LighthouseRecord high maximum temperature28.5 C (83.3 F)2021-09-11
East Sale AirportRecord high maximum temperature26.4 C (79.5 F)2021-09-11
Rutherglen ResearchRecord high maximum temperature25.3 C (77.5 F)2021-09-11
StrathbogieRecord high maximum temperature22.0 C (71.6 F)2021-09-11
Moruya Heads Pilot StationRecord high minimum temperature17.8 C (64.0 F)2021-09-12
Eddystone PointRecord high maximum temperature19.8 C (67.6 F)2021-09-11
Balranald (Rsl)Record high maximum temperature31.0 C (87.8 F)2021-09-11
Canberra ForestryRecord high maximum temperature22.5 C (72.5 F)2021-09-11
Katoomba (Murri St)Record high minimum temperature11.5 C (52.7 F)2021-09-12
Cobar MoRecord high maximum temperature30.5 C (86.9 F)2021-09-11
Neptune IslandRecord high maximum temperature21.1 C (70.0 F)2021-09-09
Tumbarumba Post OfficeRecord high maximum temperature22.5 C (72.5 F)2021-09-11
Bairnsdale AirportRecord high maximum temperature26.4 C (79.5 F)2021-09-11
Yarras (Mount Seaview)Record high maximum temperature30.4 C (86.7 F)2021-09-12

Records per Day

Peak day 43
Records per day during Heat wave in Australia, 7 to 13 September 2021 Records set or tied each day from 7 September 2021 to 13 September 2021. The most in one day was 43 on 11 September 2021. 0 13 25 38 50 09-0709-0909-1009-1109-1209-13
Records set or tied each day from 7 September 2021 to 13 September 2021. The most in one day was 43 on 11 September 2021.
Records per day during Heat wave in Australia, 7 to 13 September 2021
DateRecords
2021-09-072
2021-09-0930
2021-09-1013
2021-09-1143
2021-09-129
2021-09-139

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Australia, 7 to 13 September 2021 ranked by margin
Kimba, 09-105.3 C (9.5 F)
Narooma Rvcp, 09-115.3 C (9.5 F)
Gabo Island Lighthouse, 09-115.0 C (9.0 F)
Moruya Heads Pilot Station, 09-123.2 C (5.8 F)
Strathbogie, 09-113.0 C (5.4 F)
Balranald (Rsl), 09-113.0 C (5.4 F)
Rutherglen Research, 09-112.8 C (5.0 F)
East Sale Comparison, 09-112.0 C (3.6 F)
Bairnsdale Airport, 09-111.7 C (3.1 F)
Adelaide West Terrace, 09-101.6 C (2.9 F)
Cobar Mo, 09-111.6 C (2.9 F)
Yarras (Mount Seaview), 09-121.5 C (2.7 F)
Mount Gambier Aero, 09-091.2 C (2.2 F)
Canberra Forestry, 09-111.1 C (2.0 F)
Katoomba (Murri St), 09-120.9 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, 7 to 13 September 2021 106 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
106 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, 7 to 13 September 2021
Margin (C)Years the old record stood
1.696
0.678
1.278
5.340
2.070
5.320
5.012
0.862
3.232
2.846
3.046
0.462
3.046
1.146
0.948
1.640
0.640
1.543
0.946
1.731
0.147
0.348
0.642
0.148
0.348
0.840
1.040
5.27
0.946
1.031
0.240
0.640
1.131
0.242
0.336
2.027
4.08
0.931
0.836
0.431
1.431
1.431
0.431
0.623
0.535
1.420
0.630
1.623
2.88
1.031
2.612
1.427
0.816
1.120
2.73
0.823
2.416
1.716
0.331
0.223
3.33
0.516
0.914
0.418
1.616
0.78
1.58
0.516
1.016
1.98
1.98
1.78
0.523
2.73
1.18
0.116
1.53
0.312
0.58
0.64
1.24
1.14
0.24
1.53
1.43
1.23
1.63
0.48
0.48
1.23
0.68
0.58
1.83
0.83
0.38
0.114
0.43
0.44
0.73
0.84
1.03
0.38
0.34
0.30
0.83
0.40

Compared With Other Events

Station records per event
Station records in Heat wave in Australia, 7 to 13 September 2021 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, 7 to 13 September 2021 (this event)106 records

Every Record Set

20 of 106
Every record set or tied during Heat wave in Australia, 7 to 13 September 2021, in date order
DateStationRecordValueMarginYears stoodSignificance
2021-09-09Mount Gambier Post OfficeRecord high maximum temperature23.5 C (74.3 F)0.6 C (1.1 F)7834 of 100 (Routine)
2021-09-09Mount Gambier AeroRecord high maximum temperature23.5 C (74.3 F)1.2 C (2.2 F)7834 of 100 (Routine)
2021-09-09Neptune IslandRecord high maximum temperature21.1 C (70.0 F)0.6 C (1.1 F)4020 of 100 (Routine)
2021-09-10Adelaide West TerraceRecord high maximum temperature27.9 C (82.2 F)1.6 C (2.9 F)9642 of 100 (Notable)
2021-09-10KimbaRecord high minimum temperature17.0 C (62.6 F)5.3 C (9.5 F)4033 of 100 (Routine)
2021-09-11East Sale ComparisonRecord high maximum temperature26.4 C (79.5 F)2.0 C (3.6 F)7033 of 100 (Routine)
2021-09-11Narooma RvcpRecord high maximum temperature28.8 C (83.8 F)5.3 C (9.5 F)2028 of 100 (Routine)
2021-09-11Gabo Island LighthouseRecord high maximum temperature28.5 C (83.3 F)5.0 C (9.0 F)1227 of 100 (Routine)
2021-09-11East Sale AirportRecord high maximum temperature26.4 C (79.5 F)0.8 C (1.4 F)6227 of 100 (Routine)
2021-09-11Rutherglen ResearchRecord high maximum temperature25.3 C (77.5 F)2.8 C (5.0 F)4626 of 100 (Routine)
2021-09-11StrathbogieRecord high maximum temperature22.0 C (71.6 F)3.0 C (5.4 F)4626 of 100 (Routine)
2021-09-11Eddystone PointRecord high maximum temperature19.8 C (67.6 F)0.4 C (0.7 F)6225 of 100 (Routine)
2021-09-11Balranald (Rsl)Record high maximum temperature31.0 C (87.8 F)3.0 C (5.4 F)4624 of 100 (Routine)
2021-09-11Canberra ForestryRecord high maximum temperature22.5 C (72.5 F)1.1 C (2.0 F)4623 of 100 (Routine)
2021-09-11Cobar MoRecord high maximum temperature30.5 C (86.9 F)1.6 C (2.9 F)4021 of 100 (Routine)
2021-09-11Tumbarumba Post OfficeRecord high maximum temperature22.5 C (72.5 F)0.9 C (1.6 F)4620 of 100 (Routine)
2021-09-11Bairnsdale AirportRecord high maximum temperature26.4 C (79.5 F)1.7 C (3.1 F)3120 of 100 (Routine)
2021-09-12Moruya Heads Pilot StationRecord high minimum temperature17.8 C (64.0 F)3.2 C (5.8 F)3226 of 100 (Routine)
2021-09-12Katoomba (Murri St)Record high minimum temperature11.5 C (52.7 F)0.9 C (1.6 F)4822 of 100 (Routine)
2021-09-12Yarras (Mount Seaview)Record high maximum temperature30.4 C (86.7 F)1.5 C (2.7 F)4320 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 106 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.