Perth heading for coldest September since at least 1906

Chris Gillham in Perth has been monitoring mean daily temperatures at Perth BoM sites and says Perth Airport 9021 is a shoo-in to have the coldest September mean since opening in 1944. Perth Metro 9225 in Mount Lawley has only been open from Jan 1994 replaced Perth Regional Office 9034 which commenced 1897 and underwent various moves before ending up in East Perth. Progress with temperature updates can be checked at AWN or the BoM.
Chris has a page discussing the history of various Perth weather stations since 1897. I will update as the final numbers are available and hope to include other Perth region sites such as Pearce – Jandakot – Medina etc It is amazing we can have a month like this in the teeth of the vast Perth urban heat island.

6 thoughts on “Perth heading for coldest September since at least 1906”

  1. Here are a few other odds n ends re September that caught my eye – I can add to whenever – If readers notice anything of note please add.
    Canberra 149.2mm rain in Sep a record since 1978 which was 150.6 – so a whisker off record since 1939.
    Adelaide 131.2mm rain in Sep a record since 2001 which was 137.2.
    Nuriootpa 139.4mm rain in Sep a record since 1979 which was 148.4.
    Giles a miserly 2.8mm rain in Sep.

  2. In addition to the record cold September Chris –
    BoM Time Series show each month starting May 2016 in SW WA has a Mean T in the blue zone – that is below the ACORN average.
    www.bom.gov.au/cgi-bin/climate/change/timeseries.cgi?graph=tmean&area=swaus&season=05&ave_yr=0

    If you look at Max T the run of cool months starts in April – making 6 cool months to Sept.
    www.bom.gov.au/cgi-bin/climate/change/timeseries.cgi?graph=tmax&area=swaus&season=09&ave_yr=0

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