Cairns Weather in September
Australia · 30-year monthly averages
🌟 Great time to visit
September in Cairns is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 19°C (66°F). Expect roughly 28mm of precipitation spread over about 4 rainy days, with little rainfall.
Avg high
29°C
84°F
Avg low
19°C
66°F
Rainfall
28mm
dry
Rainy days
4
days with ≥1mm
☀️ About 268 hours of sunshine over the month (~9h/day).
🎒 What to pack
- light summer clothing
- sunscreen and sunglasses
September vs the rest of the year
FAQ
- How hot is Cairns in September?
- September in Cairns is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 19°C (66°F). Expect roughly 28mm of precipitation spread over about 4 rainy days, with little rainfall.
- Does it rain a lot in Cairns in September?
- Cairns sees around 28mm of precipitation in September on average — dry by global standards.
- Is September a good time to visit Cairns?
- September is one of the best months to visit Cairns — comfortable temperatures and manageable rainfall.