Rottnest Island Daily Summaries

September 2021
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Date Min to 9am Anomaly Max from 9am Anomaly Rain to 9am  
°C °C °C °C mm
Wed 01/09/2021 14.5 +1.5 17.7 -1.2 1.0  
Thu 02/09/2021 9.3 -3.7 14.2 -4.7 4.6  
Fri 03/09/2021 8.7 -4.3 14.7 -4.2 2.4  
Sat 04/09/2021 10.5 -2.5 18.0 -0.9 0.0  
Sun 05/09/2021 11.5 -1.5 20.8 +1.9 0.0  
Mon 06/09/2021 13.6 +0.6 24.6 +5.7 0.0  
Tue 07/09/2021 14.9 +1.9 24.5 +5.6 0.0  
Wed 08/09/2021 15.7 +2.7 22.4 +3.5 0.0  
Thu 09/09/2021 11.5 -1.5 14.8 -4.1 8.2  
Fri 10/09/2021 11.8 -1.2 18.1 -0.8 6.2  
Sat 11/09/2021 12.1 -0.9 16.6 -2.3 4.4  
Sun 12/09/2021 9.7 -3.3 16.2 -2.7 0.2  
Mon 13/09/2021 10.7 -2.3 17.9 -1.0 0.0  
Tue 14/09/2021 11.9 -1.1 19.0 +0.1 0.0  
Wed 15/09/2021 14.1 +1.1 20.4 +1.5 0.0  
Thu 16/09/2021 10.5 -2.5 16.7 -2.2 7.4  
Fri 17/09/2021 10.5 -2.5 18.0 -0.9 0.6  
Sat 18/09/2021 11.9 -1.1 19.7 +0.8 1.2  
 
September 2021 Average 11.9 -1.1 18.6 -0.3    
Sep 1986-2020 Average 13.0   18.9      
Sep 1986-2020 Highest 18.8 24th 2015 30.8 20th 2014    
Sep 1986-2020 Lowest 6.7 4th 1999 13.3 29th 2009    
 
September 2021 Total         36.2 10 day(s)
Sep 1986-2020 Average Total         54.1 13.6 day(s)
Sep 1986-2020 Wettest Total         107.0 2013
Sep 1986-2020 Wettest 24hr Total         42.0 14th 2013
Sep 1986-2020 Driest Total         15.2 2000
 
Jan-Sep 2021 Total         592.4 104 day(s)
Jan-Sep 1983-2021 Average Total         519.4 91.9 day(s)
 
Highlights the coolest minimum or maximum temperature during the period.
 
Highlights the warmest minimum or maximum temperature during the period.
 
Highlights the highest daily rainfall during the period.
10  
A yellow cell indicates a probable monthly record for this site (sites with ≥ 10 years of records only). The number of years of records available for the relevant field for this month is indicated in black. See the station's climate page for full details.

Station Details

ROTTNEST ISLAND
Lower West, Western Australia
32.0069°S 115.5022°E 43m AMSL
Commenced 1983
Display Your Local Weather

Weather News

Mild minima in northern WA, frigid in the south

13:42 EST

Parts of the Kimberley region enjoyed balmy overnight conditions whilst those further south awoke to temperatures well below average.

Windy weather waving warmth out of the southeast

11:42 EST

A strong frontal system is crossing southeast Australia and, for Victoria, this has meant wind speeds have picked up and cold days are on their way.

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