Extreme rain in Australia, 27 September 2026

Name: Extreme rain in Australia, 27 September 2026
Start: 2026-09-27
End: 2026-09-27
Location: Australia

Extreme rain in Australia, 27 September 2026: 8 records at 8 stations, peak on 27 September 2026. Closed.

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

Key Facts

Extreme rain in Australia, 27 September 2026 set or tied 8 station records at 8 stations.
It ran from 27 September 2026 to 27 September 2026 (1 days) and its peak day was 27 September 2026.
Status: closed.
Mount Nowa Nowa set a daily record precipitation of 29.4 mm (1.2 in) on 27 September 2026 (provisional).
The busiest day was 27 September 2026 with 8 records.
The oldest broken record in the ranked list had stood for 44 years.

Footprint

27 to 27 September 2026

The area covered by Extreme rain in Australia, 27 September 2026 is outlined, with 8 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Extreme rain in Australia, 27 September 2026: stations that set records in the event
Station	Type	Value	Date
Mount Nowa Nowa	Record daily precipitation	29.4 mm (1.2 in)	2026-09-27
Mount Moornapa	Record daily precipitation	39.0 mm (1.5 in)	2026-09-27
Nicholson Winery	Record daily precipitation	21.0 mm (0.8 in)	2026-09-27
Gelantipy	Record daily precipitation	16.8 mm (0.7 in)	2026-09-27
Stratford	Record daily precipitation	14.0 mm (0.6 in)	2026-09-27
Bairnsdale Airport	Record daily precipitation	16.6 mm (0.7 in)	2026-09-27
Briagolong	Record daily precipitation	21.0 mm (0.8 in)	2026-09-27
Mount Tamboritha	Record daily precipitation	15.6 mm (0.6 in)	2026-09-27

Records per Day

Peak day 8

Records set or tied each day from 27 September 2026 to 27 September 2026. The most in one day was 8 on 27 September 2026.

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Australia, 27 September 2026 ranked by margin
Mount Nowa Nowa, 09-27	18.4 mm (0.7 in)
Mount Moornapa, 09-27	17.8 mm (0.7 in)
Nicholson Winery, 09-27	10.2 mm (0.4 in)
Bairnsdale Airport, 09-27	6.6 mm (0.26 in)
Gelantipy, 09-27	4.8 mm (0.19 in)
Briagolong, 09-27	2.6 mm (0.10 in)
Stratford, 09-27	2.0 mm (0.08 in)
Mount Tamboritha, 09-27	1.2 mm (0.05 in)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

8 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.

Compared With Other Events

Station records per event

Station records in Extreme rain in Australia, 27 September 2026 compared with similar events
Extreme rain in United States and Mexico, 23 February to 15 March 2019	2,223 records
Extreme rain in United States, 3 to 19 January 2024	2,133 records
Extreme rain in Australia, 7 to 26 March 2021	2,099 records
Extreme rain in United States and Mexico, 29 September to 19 October 2018	1,970 records
Extreme rain in United States, 19 December 2022 to 13 January 2023	1,941 records
Extreme rain in Australia, 27 September 2026 (this event)	8 records

Every Record Set

8 of 8

Every record set or tied during Extreme rain in Australia, 27 September 2026, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2026-09-27	Mount Nowa Nowa	Record daily precipitation (provisional)	29.4 mm (1.2 in)	18.4 mm (0.7 in)	25	34 of 100 (Routine)
2026-09-27	Mount Moornapa	Record daily precipitation (provisional)	39.0 mm (1.5 in)	17.8 mm (0.7 in)	20	32 of 100 (Routine)
2026-09-27	Nicholson Winery	Record daily precipitation (provisional)	21.0 mm (0.8 in)	10.2 mm (0.4 in)	25	20 of 100 (Routine)
2026-09-27	Gelantipy	Record daily precipitation (provisional)	16.8 mm (0.7 in)	4.8 mm (0.19 in)	32	20 of 100 (Routine)
2026-09-27	Stratford	Record daily precipitation (provisional)	14.0 mm (0.6 in)	2.0 mm (0.08 in)	44	20 of 100 (Routine)
2026-09-27	Bairnsdale Airport	Record daily precipitation (provisional)	16.6 mm (0.7 in)	6.6 mm (0.26 in)	29	20 of 100 (Routine)
2026-09-27	Briagolong	Record daily precipitation (provisional)	21.0 mm (0.8 in)	2.6 mm (0.10 in)	20	14 of 100 (Routine)
2026-09-27	Mount Tamboritha	Record daily precipitation (provisional)	15.6 mm (0.6 in)	1.2 mm (0.05 in)	5	5 of 100 (Routine)

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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.