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Built 2026-10-14 (14 October 2026)

Heat wave in Australia, 25 August to 4 September 2026

Heat wave in Australia, 25 August to 4 September 2026: 42 records at 26 stations, peak on 30 August 2026. Closed.

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

Key Facts

  • Heat wave in Australia, 25 August to 4 September 2026 set or tied 42 station records at 26 stations.
  • It ran from 25 August 2026 to 4 September 2026 (11 days) and its peak day was 30 August 2026.
  • Status: closed.
  • Albany set a daily record high minimum temperature of 14.5 C (58.1 F) on 30 August 2026 (provisional).
  • The busiest day was 30 August 2026 with 24 records.
  • The oldest broken record in the ranked list had stood for 119 years.

Footprint

25 August to 4 September 2026
Footprint of Heat wave in Australia, 25 August to 4 September 2026 The area covered by Heat wave in Australia, 25 August to 4 September 2026 is outlined, with 15 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Australia, 25 August to 4 September 2026 is outlined, with 15 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Australia, 25 August to 4 September 2026: stations that set records in the event
StationTypeValueDate
AlbanyRecord high minimum temperature14.5 C (58.1 F)2026-08-30
Esperance Post OfficeRecord high minimum temperature11.9 C (53.4 F)2026-08-25
DonnybrookRecord high minimum temperature13.6 C (56.5 F)2026-09-02
KarnetRecord high maximum temperature23.8 C (74.8 F)2026-08-30
JarrahwoodRecord high maximum temperature24.7 C (76.5 F)2026-08-30
DwellingupRecord high maximum temperature24.9 C (76.8 F)2026-08-30
BunburyRecord high maximum temperature24.8 C (76.6 F)2026-08-30
Perth AirportRecord high maximum temperature26.9 C (80.4 F)2026-08-30
Pearce RaafRecord high maximum temperature24.7 C (76.5 F)2026-08-30
ManjimupRecord high maximum temperature22.6 C (72.7 F)2026-08-30
Jandakot AeroRecord high maximum temperature25.5 C (77.9 F)2026-08-30
Perth MetroRecord high maximum temperature25.8 C (78.4 F)2026-08-30
Cape NaturalisteRecord high maximum temperature22.5 C (72.5 F)2026-08-30
BickleyRecord high maximum temperature23.9 C (75.0 F)2026-08-30
Windy HarbourRecord high maximum temperature22.0 C (71.6 F)2026-08-30
Rocky GullyRecord high minimum temperature13.0 C (55.4 F)2026-08-30
BeverleyRecord high minimum temperature12.0 C (53.6 F)2026-09-03
Esperance AeroRecord high maximum temperature26.0 C (78.8 F)2026-08-31
Hopetoun NorthRecord high minimum temperature13.0 C (55.4 F)2026-08-28
Newdegate Research StationRecord high minimum temperature9.3 C (48.7 F)2026-09-03
WaginRecord high minimum temperature13.0 C (55.4 F)2026-08-30
JacupRecord high minimum temperature12.4 C (54.3 F)2026-08-30
YorkRecord high minimum temperature11.0 C (51.8 F)2026-09-04
OngerupRecord high maximum temperature23.0 C (73.4 F)2026-08-27

Records per Day

Peak day 24
Records per day during Heat wave in Australia, 25 August to 4 September 2026 Records set or tied each day from 25 August 2026 to 4 September 2026. The most in one day was 24 on 30 August 2026. 0 6 13 19 25 08-2508-2608-2708-2808-2908-3008-3109-0209-0309-04
Records set or tied each day from 25 August 2026 to 4 September 2026. The most in one day was 24 on 30 August 2026.
Records per day during Heat wave in Australia, 25 August to 4 September 2026
DateRecords
2026-08-251
2026-08-262
2026-08-272
2026-08-281
2026-08-292
2026-08-3024
2026-08-315
2026-09-021
2026-09-032
2026-09-042

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Australia, 25 August to 4 September 2026 ranked by margin
Jarrahwood, 08-304.5 C (8.1 F)
Dwellingup, 08-303.9 C (7.0 F)
Bunbury, 08-303.6 C (6.5 F)
Karnet, 08-303.1 C (5.6 F)
Jandakot Aero, 08-302.6 C (4.7 F)
Perth Metro, 08-302.2 C (4.0 F)
Perth Airport, 08-302.1 C (3.8 F)
Pearce Raaf, 08-302.1 C (3.8 F)
Bickley, 08-301.9 C (3.4 F)
Manjimup, 08-301.8 C (3.2 F)
Cape Naturaliste, 08-301.1 C (2.0 F)
Esperance Post Office, 08-301.0 C (1.8 F)
Windy Harbour, 08-300.8 C (1.4 F)
Esperance Post Office, 08-260.7 C (1.3 F)
Albany, 08-300.5 C (0.9 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, 25 August to 4 September 2026 42 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 30 60 90 120 0.01.32.53.85.0 Margin (C) Years the old record stood
42 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, 25 August to 4 September 2026
Margin (C)Years the old record stood
0.5108
0.2105
0.1119
0.589
3.152
0.376
0.764
1.060
4.520
3.920
3.620
2.120
2.113
1.820
2.620
2.220
1.120
1.920
0.829
0.520
0.115
0.728
0.525
0.413
0.820
0.128
0.620
0.220
0.228
0.212
0.712
0.912
0.51
0.83
0.212
0.47
0.94
0.212
0.63
0.51
0.41
0.51

Compared With Other Events

Station records per event
Station records in Heat wave in Australia, 25 August to 4 September 2026 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, 25 August to 4 September 2026 (this event)42 records

Every Record Set

40 of 42
Every record set or tied during Heat wave in Australia, 25 August to 4 September 2026, in date order
DateStationRecordValueMarginYears stoodSignificance
2026-08-25Esperance Post OfficeRecord high minimum temperature (provisional)11.9 C (53.4 F)0.1 C (0.2 F)11940 of 100 (Notable)
2026-08-26Esperance Post OfficeRecord high minimum temperature (provisional)13.5 C (56.3 F)0.7 C (1.3 F)6431 of 100 (Routine)
2026-08-26Rocky GullyRecord high minimum temperature (provisional)12.3 C (54.1 F)0.4 C (0.7 F)14 of 100 (Routine)
2026-08-27Esperance AeroRecord high minimum temperature (provisional)13.4 C (56.1 F)0.5 C (0.9 F)15 of 100 (Routine)
2026-08-27OngerupRecord high maximum temperature (tie) (provisional)23.0 C (73.4 F)tie51 of 100 (Routine)
2026-08-28Hopetoun NorthRecord high minimum temperature (provisional)13.0 C (55.4 F)0.1 C (0.2 F)2811 of 100 (Routine)
2026-08-29Esperance Post OfficeRecord high minimum temperature (provisional)15.2 C (59.4 F)0.3 C (0.5 F)7633 of 100 (Routine)
2026-08-29Esperance AeroRecord high minimum temperature (provisional)12.7 C (54.9 F)0.6 C (1.1 F)35 of 100 (Routine)
2026-08-30AlbanyRecord high minimum temperature (provisional)14.5 C (58.1 F)0.5 C (0.9 F)10842 of 100 (Notable)
2026-08-30DonnybrookRecord high maximum temperature (provisional)25.5 C (77.9 F)0.5 C (0.9 F)8938 of 100 (Notable)
2026-08-30KarnetRecord high maximum temperature (provisional)23.8 C (74.8 F)3.1 C (5.6 F)5233 of 100 (Routine)
2026-08-30Esperance Post OfficeRecord high minimum temperature (provisional)15.6 C (60.1 F)1.0 C (1.8 F)6031 of 100 (Routine)
2026-08-30JarrahwoodRecord high maximum temperature (provisional)24.7 C (76.5 F)4.5 C (8.1 F)2031 of 100 (Routine)
2026-08-30DwellingupRecord high maximum temperature (provisional)24.9 C (76.8 F)3.9 C (7.0 F)2028 of 100 (Routine)
2026-08-30BunburyRecord high maximum temperature (provisional)24.8 C (76.6 F)3.6 C (6.5 F)2028 of 100 (Routine)
2026-08-30Perth AirportRecord high maximum temperature (provisional)26.9 C (80.4 F)2.1 C (3.8 F)2022 of 100 (Routine)
2026-08-30Pearce RaafRecord high maximum temperature (provisional)24.7 C (76.5 F)2.1 C (3.8 F)1320 of 100 (Routine)
2026-08-30ManjimupRecord high maximum temperature (provisional)22.6 C (72.7 F)1.8 C (3.2 F)2020 of 100 (Routine)
2026-08-30Jandakot AeroRecord high maximum temperature (provisional)25.5 C (77.9 F)2.6 C (4.7 F)2019 of 100 (Routine)
2026-08-30Perth MetroRecord high maximum temperature (provisional)25.8 C (78.4 F)2.2 C (4.0 F)2018 of 100 (Routine)
2026-08-30Cape NaturalisteRecord high maximum temperature (provisional)22.5 C (72.5 F)1.1 C (2.0 F)2018 of 100 (Routine)
2026-08-30BickleyRecord high maximum temperature (provisional)23.9 C (75.0 F)1.9 C (3.4 F)2016 of 100 (Routine)
2026-08-30Windy HarbourRecord high maximum temperature (provisional)22.0 C (71.6 F)0.8 C (1.4 F)2916 of 100 (Routine)
2026-08-30Rocky GullyRecord high minimum temperature (provisional)13.0 C (55.4 F)0.7 C (1.3 F)2813 of 100 (Routine)
2026-08-30Rocky GullyRecord high maximum temperature (provisional)21.7 C (71.1 F)0.6 C (1.1 F)2011 of 100 (Routine)
2026-08-30BeverleyRecord high maximum temperature (provisional)25.0 C (77.0 F)0.2 C (0.4 F)2011 of 100 (Routine)
2026-08-30DwellingupRecord high minimum temperature (provisional)12.1 C (53.8 F)0.2 C (0.4 F)1210 of 100 (Routine)
2026-08-30WaginRecord high minimum temperature (provisional)13.0 C (55.4 F)0.7 C (1.3 F)1210 of 100 (Routine)
2026-08-30JacupRecord high minimum temperature (provisional)12.4 C (54.3 F)0.9 C (1.6 F)129 of 100 (Routine)
2026-08-30Hopetoun NorthRecord high minimum temperature (provisional)14.7 C (58.5 F)0.4 C (0.7 F)76 of 100 (Routine)
2026-08-30Newdegate Research StationRecord high minimum temperature (provisional)12.2 C (54.0 F)0.2 C (0.4 F)126 of 100 (Routine)
2026-08-31ManjimupRecord high minimum temperature (provisional)12.2 C (54.0 F)0.5 C (0.9 F)2015 of 100 (Routine)
2026-08-31Esperance AeroRecord high maximum temperature (provisional)26.0 C (78.8 F)0.8 C (1.4 F)2011 of 100 (Routine)
2026-08-31BickleyRecord high minimum temperature (provisional)12.7 C (54.9 F)0.2 C (0.4 F)126 of 100 (Routine)
2026-08-31AlbanyRecord high minimum temperature (tie) (provisional)14.2 C (57.6 F)tie204 of 100 (Routine)
2026-09-02DonnybrookRecord high minimum temperature (provisional)13.6 C (56.5 F)0.2 C (0.4 F)10540 of 100 (Notable)
2026-09-03BeverleyRecord high minimum temperature (provisional)12.0 C (53.6 F)0.5 C (0.9 F)2513 of 100 (Routine)
2026-09-03Newdegate Research StationRecord high minimum temperature (provisional)9.3 C (48.7 F)0.2 C (0.4 F)2811 of 100 (Routine)
2026-09-04YorkRecord high minimum temperature (provisional)11.0 C (51.8 F)0.9 C (1.6 F)46 of 100 (Routine)
2026-09-04Newdegate Research StationRecord high minimum temperature (provisional)10.7 C (51.3 F)0.5 C (0.9 F)14 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 40 of the 42 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.