September 21 is statistically one of the best days of the year in Gold Coast. With minimal rain risk (13%) and pleasant highs of 23°C, it's ideal for outdoor adventures. Gold Coast is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Gold Coast
Currency
AUD
$ Australian dollar
Language
English
Driving
Left side
Connect
Many accommodation operators offer free ...
Safety
High Safety
GPI: 1.565
Gold Coast Weather Forecast for September 21
"Mild & Comfortable. Expect average highs of 23.4°C. 13% chance of rain."
What to Wear in Gold Coast in September
Based on historical data for September 21, Gold Coast typically experiences temperatures between 15.8°C and 23.4°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (13% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Gold Coast
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
23.4°C
Daytime Peak
Average Low
15.8°C
Nighttime Low
Feels Like
23.9°C
☀️ Feels accurate
Rain Chance
13%
Avg 0.6mm if it rains
Cloud Cover
35%
Light drizzle
Pressure
1018.6 hPa
Medium volatility
Gold Coast Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 83% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 09:30
16:00 - 17:00
Type I-II
🔴 20 min to burn
Type III-IV
🟡 30 min to burn
Type V-VI
🟢 50 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
18.1°C
Noticeable
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
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
82/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~58
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Gold Coast
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:39
☀️ Noon
11:41
🌇 Sunset
17:42
⏱️ Daylight
12h 3m
Wind Speed
17.2 km/h
Gentle breeze
Sunshine
10.3 hrs
Direct Sun (Cloud-free)
Humidity
72%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Gold Coast
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Gold Coast
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
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, Gold Coast on September 21 averages 23.4°C with a 13% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Gold Coast Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
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🌍 Explore the same date in different destinations around the world
📍 Is Gold Coast Worth Visiting on September 21?
Planning a trip to Gold Coast on September 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 23.4°C with a 13% historical precipitation risk.
✈️ Travel Logistics: Approximately 58 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 21.4°C (swimming pool). Wave conditions are generally lake-like with heights around 0m.
📊 Historical Extremes: The hottest September 21 recorded in the last 30 years saw temperatures hit 33.8°C in 2023, while the coldest dropped to 12.7°C in 2021.