September 20 is generally a great time to visit Port Douglas. While there is a slight chance of rain (26%), showers are usually brief. Expect comfortable 26°C weather. Expect a bustling atmosphere in Port Douglas right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Port Douglas
Currency
AUD
$ Australian dollar
Language
English
Driving
Left side
Safety
High Safety
GPI: 1.565
Port Douglas Weather Forecast for September 20
"Warm & Sunny. Expect average highs of 25.8°C. 26% chance of rain."
What to Wear in Port Douglas in September
Based on historical data for September 20, Port Douglas typically experiences temperatures between 20.7°C and 25.8°C. We recommend packing t-shirt, light clothing to stay comfortable. With a 26% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Port Douglas
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
25.8°C
Daytime Peak
Average Low
20.7°C
Nighttime Low
Feels Like
26.9°C
☀️ Minor difference
Rain Chance
26%
Avg 1.1mm if it rains
Cloud Cover
54%
Overcast
Pressure
1016.2 hPa
Low volatility
Port Douglas Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 89% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 18:00
Type I-II
🔴 22 min to burn
Type III-IV
🟡 33 min to burn
Type V-VI
🟢 55 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
21.9°C
Humid/Sticky
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Morning hours (before 11 AM)
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Australia
Flight Traffic
High
98/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~78
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Port Douglas
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:11
☀️ Noon
12:13
🌇 Sunset
18:15
⏱️ Daylight
12h 3m
Wind Speed
14.6 km/h
Gentle breeze
Sunshine
10.5 hrs
Direct Sun (Cloud-free)
Humidity
79%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Port Douglas
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Port Douglas
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Port Douglas on September 20 averages 25.8°C with a 26% precipitation probability. Wedding/Outdoor Event Score: 95/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Port Douglas Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 26
26.1°C • 14% rain
Score
100
September 27
26.1°C • 15% rain
Score
100
September 23
26.1°C • 16% rain
Score
99
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (September 20) in other destinations
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🌍 Explore the same date in different destinations around the world
📍 Is Port Douglas Worth Visiting on September 20?
Planning a trip to Port Douglas on September 20? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 25.8°C with a 26% historical precipitation risk.
✈️ Travel Logistics: Approximately 78 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for Australia, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 24.7°C (swimming pool). Wave conditions are generally fun waves with heights around 0.8m.
📊 Historical Extremes: The hottest September 20 recorded in the last 30 years saw temperatures hit 28.2°C in 2022, while the coldest dropped to 19.3°C in 2018.