Port Douglas Weather in September
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.
Rainfall in Port Douglas in September
Clear skies and little rain are the norm this month. A great time to spend time outdoors. The climate data from previous years indicates about 4 days of rain, averaging 35 mm (1.4 in) for the month. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in Port Douglas in September
Port Douglas in September has perfect weather. Days reach 25°C (77°F) and nights cool to 20°C (68°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 20°C (68°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Port Douglas in September
Expect a lot of sunshine this month, with about 249 hours of sun. These sunny conditions add to the overall experience.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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Port Douglas's climate page.
Port Douglas Temperature in September
Min Temperature
20°C (68°F)
Max Temperature
25°C (77°F)
Chance of Rain
12%
Precipitation
35 mm (1.4 in)
Rainy days
4 days
Humidity
55% *
Sunshine
249 hours *
Percentage Sunshine
*
Daily Historical Temperatures
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).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Port Douglas in September
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.
Port Douglas historical weather extremes in September
According to our 49 years of weather records for Port Douglas, the following extremes were recorded between 1976 and 2025.
- Port Douglas recorded its highest September temperature of 33°C (91°F) on September 15, 2003.
- On September 9, 1985, Port Douglas saw its coldest September day with temperatures maxing out at 22°C (72°F).
- The coldest night in September in Port Douglas was on September 5, 2019, with a minimum of 11°C (52°F).
Best Places in Australia in September
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
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tolerable
unpleasant
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What to Wear in Port Douglas in September
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.What To Do in Port Douglas in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Port Douglas's climate page.
Temperature Rainfall Sunshine Humidity
See the full Port Douglas climate overview or explore weather in Australia.
