Cairns weather in September
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Cairns September weather at a glance
In September, Cairns averages 22.7°C, with typical highs of 27°C and lows of 19.2°C. The historical average is 13 wet days and 79% humidity.
Cairns September temperature & humidity
Cairns September rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Cairns in September
Choose breathable summer clothes and pack sun protection. Showers are possible, so a compact umbrella is useful.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 27°C
- Morning & eveningLight layer for air-conditioned rooms · average low 19.2°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Cairns September sunrise & sunset times
2026 September · Local time (Australia/Brisbane)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-09-01 | 06:24 | 18:10 | 11h 47m |
| 2026-09-15 | 06:13 | 18:12 | 11h 59m |
| 2026-09-30 | 06:00 | 18:14 | 12h 14m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Cairns travel updates
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Best months to visit Cairns
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
September weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Cairns weather like in September?
In September, Cairns averages 22.7°C, with typical highs of 27°C and lows of 19.2°C. The historical average is 13 wet days and 79% humidity. Our weather-comfort rating for this month is fair.
Does it rain a lot in Cairns in September?
There are about 13 wet days in September. A compact umbrella is still useful.
What should I wear in Cairns in September?
Choose breathable summer clothes and pack sun protection. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Cairns?
Recent weather data rates June, July, August among the more comfortable months.
Where can I check Cairns weather in September in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Cairns in September?
On 2026-09-15, calculated sunrise is 06:13 and sunset is 18:12 in local time (Australia/Brisbane). Times vary by date and terrain.
Cairns weather by month
More Oceania destinations in September
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations