Port Douglas in September sees high daytime temperatures of 25°C (77°F) and nighttime lows of 20°C (68°F). With just 35 mm (1.4 in) of rainfall on average, it's the driest month of the year.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August, September, October and November typically offer the best weather for Port Douglas.
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Pick a month to see the average temperature, rainfall and sunshine in Port Douglas - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Port Douglas typically stay consistent throughout September, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows around 20°C (68°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Port Douglas spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 49 years of weather records for Port Douglas, the following extremes were recorded between 1976 and 2025.
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Pack a light rain jacket or compact umbrella for occasional showers. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Port Douglas climate overview or explore weather in Australia.
Where to go in September - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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