The temperatures in Cairns in September are comfortable with low of 19°C and and high up to 27°C.
You can expect a few rainy days in Cairns during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Cairns in September 2025.
If you’re planning to visit Cairns in the near future, we highly recommend that you review the 14 day weather forecast for Cairns before you arrive.
Temperatures
27° / 19°
Rainy Days
1
Snowy Days
0
Dry Days
29
Rainfall
27
mm
Sun Hours
11.3
Hrs
