Wednesday, 5 October 2022 - Monthly Climate Summary for Tasmania - Product code IDCKGC17R0

Tasmania in September 2022: Below average rainfall in the west and Flinders Island, above average in the east

September rainfall was below average for the western half of Tasmania, and parts of the north coast and the Furneaux Group. In contrast, parts of eastern Tasmania were very much wetter than average. Maximum temperatures were warmer than average across the north-west, tending to near average elsewhere. Minimum temperatures were warmer than average across the north and south, and close to normal across the centre.

Unusual rainfall pattern

• Rainfall was in the lowest 10% of September records for a large area of the west, while most of the East Coast district had rainfall in the highest 10% of September records.
• Unusually, parts of eastern Tasmania had as much, or more, rainfall than the typically wetter west.
• For Tasmania overall, September rainfall was 28% below the 1961–1990 average, making it the driest September since 2018.
• A few sites had their highest total September rainfall on record, including Bicheno (Council Depot) with 97 years of record.
• Three-day rainfall accumulations of more than 80 mm in north-east Tasmania during the second week of September resulted in minor to moderate flooding along the North and South Esk River.
• There was snow down to around 300 m elevation on the 12th in southern Tasmania following the passage of a cold front.

Warmer than average in parts

• Maximum temperatures were warmer than average across the north-west, tending to near-average elsewhere.
• For the state overall, the mean maximum temperature was 0.64 °C above the 1961–1990 average.
• September minimum temperatures were warmer than average across the north and south, and close to average across the centre.
• Tasmania's mean minimum temperature was 0.08 °C above the 1961–1990 average.
• Bicheno's record rainfall supressed daytime temperatures leading to its lowest September mean daily maximum temperature for at least 20 years.
• There were frosty mornings in parts on the 13th and 14th when minimum temperatures were more than 4 °C cooler than average for a large area of the state.
• Maximum temperatures were more than 6 °C warmer than average for parts of the state on the 22nd and 23rd, ahead of a cool change.

Hobart (Ellerslie Road)

• Total rainfall for Hobart (Ellerslie Road) was 59.0 mm, which is 112% of the long-term average of 52.9 mm.
• The mean daily maximum temperature for Hobart (Ellerslie Road) was 15.3 °C, which is 0.1 °C above the long-term average of 15.2 °C.
• The warmest day was 22.8 °C on the 22nd, and the coolest day was on the 12th when the temperature reached 10.1 °C.
• The mean daily minimum temperature for Hobart (Ellerslie Road) was 6.9 °C, which is 0.4 °C above the long-term average of 6.5 °C.
• The coldest morning was 2.6 °C on the 2nd, and the warmest morning was on the 23rd when the minimum temperature was 12.2 °C.

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

Click on a map to show it full size in a pop-up window

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

Extremes Maps Records Summaries Important notes the top

Extremes Maps Records Summaries Important notes the top