Sunday, 2 October 2022 - Monthly Climate Summary for Victoria - Product code IDCKGC16R0

Victoria in September 2022: wetter than average, cold days

Rainfall was above average across most of the state's north, with Mallee and adjacent parts of the Northern Country receiving more than double the September average. Many Victorian catchments had minor to moderate flooding. Maximum temperatures were below average across much of the state and very much below average in the large part of Victoria's north-west. Minimum temperatures were above average in most of the Central, South-West, Northern Country, North-East and East Gippsland districts.

Wetter than average

• Rainfall was above average across most of the state's north, with Mallee and adjacent parts of the Northern Country receiving more than double September average.
• Rainfall was below average to very much below average in parts of Central and West Gippsland districts.
• State-wide, rainfall was around 34% above the 1961−1990 September average of 64.5 mm, the highest since 2016.
• A cold front that crossed Victoria on the 8th brought areas of showers and rain mostly to the state's north-west and north-east. Widespread daily totals between 10 and 20 mm were recorded across Mallee and Wimmera, with higher daily totals, locally exceeding 30 mm, through the Northern Country, North-Central and North-East districts.
• A pair of cold fronts on the 17th and 18th resulted in gusty thunderstorms and heavy showers.
• A low pressure system that developed over the New South Wales on the 21st brought showers and rain mostly to Victoria's north-west, with many sites recording daily totals between 20 and 30 mm.
• Close to the end of the month, a low pressure trough and a low-pressure system centred over southern New South Wales resulted in widespread showers and rain between the 27th and 29th, with highest daily totals exceeding 60 mm at many sites in East Gippsland.
• The highest daily total was 76.2 mm at Weeragua (Cann River) on the 29th.
• Some sites had their highest September daily rainfall on record
• Some sites had their highest total September rainfall on record or their highest total September rainfall for at least 20 years
• Over September there was minor to moderate flooding in many catchments through central and northern Victoria.
• Over the first 9 months of this year, statewide rainfall was 12% above average.

Cold days

• Maximum temperatures were below average across much of the state and very much below average in the large part of Victoria's north-west.
• Victoria's mean maximum temperature was 0.63 °C below the 1961−1990 September average, the lowest since 2016.
• Some sites had their lowest September mean daily maximum temperature for at least 20 years
• The 12th was the coldest day with a maximum temperature of −0.8 °C at Mount Baw Baw.
• The warmest day was 23.7 °C at Morwell on the 22nd.
• Minimum temperatures were above average in most of the Central, Western, Northern Country, North-East and East Gippsland districts.
• State-wide, the mean minimum temperature was 0.73 °C above average.
• The coldest night was on the 13th, when −7.1 °C was recorded at Falls Creek.
• Victorian year-to-date (January to September) mean minimum temperature was 1.20 °C above average, the second-warmest on record, while the mean maximum temperature was 0.26 °C above average.

Tornado and hail

• A tornado was reported on the 18th, with damage to houses in lines through the western suburbs of Greater Melbourne (Melton to Airport West).
• Large hail of 2.0−2.5 cm diameter was reported in Melbourne's western suburbs on the 18th.

Extremes Maps Records Summaries Important notes the top

Extremes Maps Records Summaries Important notes the top

Maps
	Observed	Anomaly	Decile rank
Total rainfall
Mean daily maximum temperatures
Mean daily minimum temperatures

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* note: there are gaps in the historical record at this site, so it is possible a higher value has gone unreported

Extremes Maps Records Summaries Important notes the top

Extremes Maps Records Summaries Important notes the top