Mount Isa Weather in September
What's the weather like in Mount Isa (Queensland) in September 2024?
The climate in Mount Isa during September can be summarized as warm and dry.
September is in the spring in Mount Isa and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 30°C (86°F), whilst at night 14°C (57°F) is normal.
| Daytime temperature | 30°C 86°F |
|---|---|
| Nightly temperature | 13.6°C 56.5°F |
| Average temperature | 21.8°C 71.2°F |
| Daily sunshine | 10.6 hrs |
| Avg rainfall | 13 mm 0.5 ins |
| Rainy days | 2 days |
| Sea temperature | 22.9°C 73.2°F |
| Humidity | 25% |
| Windspeed | 14kph 9 mph |
On average September is the 4th driest month of the year in Mount Isa with around 13mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.6 hours of sunshine per day.
September temperatures in Mount Isa
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Mount Isa in September 2024.
Other monthly averages
Best places to visit in September
Mount Isa weather stats
| Hottest month: | January | 35.9°C 96.6°F |
|---|---|---|
| Driest month: | August | 7mm 0.3ins |
| Sunniest month: | August | 10.8hrs |
| Coldest month: | July | 23.4°C 74.1°F |
| Wettest month: | January | 97mm 3.8ins |
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