Mount Isa in september: average Weather, Temperature and Climate
Weather in Mount Isa in september 2025
The weather in Mount Isa in september comes from statistical datas on the last years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather UV index: 7
Weather at 6am
67°F
Clear/Sunny
82% of time
13%
5%
2%
Weather at 12pm
86°F
Clear/Sunny
82% of time
14%
4%
2%
Weather at 6pm
81°F
Clear/Sunny
78% of time
15%
8%
1%
Weather at 3am
68°F
84%
12%
4%
3%
Evolution of daily average temperature and precipitation in Mount Isa in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Mount Isa in september.
The climate of Mount Isa in september is perfect
The climate in september in Mount Isa is dry ; it hardly ever rains (1in of rainfall over 1 days).
The climate good in this location september. The thermometer averaged maximum of 88°F. The seasonal minimum is 67°F. Thus, the mean temperature average in september in Mount Isa is 77°F. Note that these seasonal averages are in contrast with those observed in Mount Isa in the month of september with a maximum record of 101°F in 2012 and a minimum record of 52°F in 2010. You can expect to have about 20 days with temperatures over 86°F, or 67 of the month.
On average, in Mount Isa, the days of september last 11:58. Sunrise is at 06:38 and sunset is at 18:36.
With a perfect weather, september is recommended to go in this locality in Australia.
Seasonal average climate and temperature of Mount Isa in september
Check below seasonal norms These statistics are generated from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 77°F | ||||
| Highest temperature | 88°F | ||||
| Lowest temperature | 67°F | ||||
| Highest record temperature | 101°F (2012) | ||||
| Lowest record temperature | 52°F (2010) | ||||
| Number of days at +86°F | 20 day(s) (67%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 24km/h | ||||
| Wind temperature | 67°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1in | ||||
| Number of days with rainfall | 1 day(s) (5%) | ||||
| Record daily rainfall | 2in (2016) | ||||
| Other climate data | |||||
| Humidity | 39% | ||||
| Visibility | 9.92km | ||||
| Cloud cover | 9% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:38 | ||||
| Time of sunset | 18:36 | ||||
| Length of day | 11:58 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | perfect | ||||
How was the weather last september?
Here is the day by day recorded weather in Mount Isa in september 2024:
72°F to 95°F
74°F to 97°F
72°F to 90°F
68°F to 86°F
67°F to 86°F
67°F to 88°F
70°F to 90°F
68°F to 88°F
68°F to 90°F
67°F to 88°F
72°F to 90°F
72°F to 92°F
63°F to 85°F
61°F to 86°F
68°F to 88°F
68°F to 86°F
67°F to 83°F
70°F to 76°F
68°F to 86°F
68°F to 92°F
67°F to 92°F
67°F to 92°F
68°F to 90°F
74°F to 92°F
70°F to 94°F
76°F to 81°F
67°F to 85°F
63°F to 88°F
67°F to 92°F
70°F to 94°F
Map: other cities in Australia in september
Cities near Mount Isa:
| Normanton in september | perfect weather |
| Hughenden in september | perfect weather |
| Alice Springs in september | perfect weather |
| Innisfail in september | perfect weather |
| Townsville in september | perfect weather |
| Cairns in september | perfect weather |
| Trinity Beach in september | perfect weather |
| Port Douglas in september | perfect weather |
| Cape Tribulation in september | perfect weather |
| Daly Waters in september | perfect weather |
| Cooktown in september | perfect weather |
| Oodnadatta in september | perfect weather |
Click over cities on the map for information about the weather in september.
Mount Isa
perfect weather
good
tolerable
bad
very bad
Weather data for Mount Isa in september:
Weather data for Mount Isa for september are derived from an average of the weather forecast since 2009 in Mount Isa. There is a margin of error and these forecasts are to be considered as general information only. The weather in Mount Isa can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Mount Isa.