Highest September Temperatures in Mount Isa

A list of the highest temperatures ever recorded in the month of September in Mount Isa, Queensland from 1926–2023.
What's the hottest it has ever gotten in Mount Isa in September?
The hottest September temperature in Mount Isa, Queensland history was 40.4 °C which occurred on September 27, 2017.
Rank Temperature Date
1 40.4 °C September 27, 2017
2 39.8 °C September 25, 2013
2 39.8 °C September 23, 2012
4 39.6 °C September 26, 2017
5 39.5 °C September 30, 2000
6 39.3 °C September 24, 2013
6 39.3 °C September 29, 1988
8 39.1 °C September 25, 2017
8 39.1 °C September 23, 2017
10 38.9 °C September 28, 2021
10 38.9 °C September 14, 1998
12 38.8 °C September 21, 2020
12 38.8 °C September 29, 2017
12 38.8 °C September 27, 2013
12 38.8 °C September 26, 2013
12 38.8 °C September 29, 2000
12 38.8 °C September 30, 1988
18 38.7 °C September 26, 1997
19 38.6 °C September 15, 2013
20 38.5 °C September 30, 2021
20 38.5 °C September 28, 2017
20 38.5 °C September 30, 2005
20 38.5 °C September 28, 2005
20 38.5 °C September 21, 2003
20 38.5 °C September 27, 1997
20 38.5 °C September 24, 1986