When to go · Mount Isa

Mount Isa in September

Great month. Inside Mount Isa's best window: May–Sep (dry, cool nights, highs in the mid-20s to low 30s).

Key facts

Verdict: Great
Temperature: 32°C (90°F)90°F (32°C) / 14°C (57°F)57°F (14°C); average high / low
Rain days: 2
Crowds: Medium; Australia overall
Prices: Medium; Australia overall

Plan around it

Verdict

GreatBest and avoid months for Mount Isa

Inside Mount Isa's best window: May–Sep (dry, cool nights, highs in the mid-20s to low 30s).

No other month rates higher than September for Mount Isa in this guide.

Long-term averages

Mount IsaHighs around 32 °C (90 °F), lows around 14 °C (57 °F), rain on about 2 daysHighs around 90 °F (32 °C), lows around 57 °F (14 °C), rain on about 2 days

Australia overall: Spring in the south, still dry in the north; one of the best months to combine both.

Weather, crowds and prices for any two months in Mount Isa, side by side.

First month

Second month

September: Inside Mount Isa's best window: May–Sep (dry, cool nights, highs in the mid-20s to low 30s).

May: Inside Mount Isa's best window: May–Sep (dry, cool nights, highs in the mid-20s to low 30s).

Mount Isa: figures are long-term averages from this guide, not a forecast.