September 15 is statistically one of the best days of the year in Brisbane. With minimal rain risk (9%) and pleasant highs of 24°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Brisbane right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Brisbane
Currency
AUD
$ Australian dollar
Language
English
Driving
Left side
Connect
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Safety
High Safety
GPI: 1.565
Brisbane Weather Forecast for September 15
"Mild & Comfortable. Expect average highs of 24.4°C. 9% chance of rain."
What to Wear in Brisbane in September
Based on historical data for September 15, Brisbane typically experiences temperatures between 12.7°C and 24.4°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (9% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Brisbane
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
24.4°C
Daytime Peak
Average Low
12.7°C
Nighttime Low
Feels Like
25°C
☀️ Feels accurate
Rain Chance
9%
Avg 0.3mm if it rains
Cloud Cover
28%
Light drizzle
Pressure
1019.9 hPa
Medium volatility
Brisbane Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 100% 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
🔴 19 min to burn
Type III-IV
🟡 29 min to burn
Type V-VI
🟢 48 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
18.3°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
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Australia
Flight Traffic
High
96/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~875
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Brisbane
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:47
☀️ Noon
11:44
🌇 Sunset
17:41
⏱️ Daylight
11h 53m
Wind Speed
15.1 km/h
Gentle breeze
Sunshine
10.6 hrs
Direct Sun (Cloud-free)
Humidity
69%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Brisbane
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Brisbane
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, Brisbane on September 15 averages 24.4°C with a 9% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Brisbane Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (September 15) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Brisbane Worth Visiting on September 15?
Planning a trip to Brisbane on September 15? 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 24.4°C with a 9% historical precipitation risk.
✈️ Travel Logistics: Approximately 875 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 6 vaccinations are recommended for Australia, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 21°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0m.
📊 Historical Extremes: The hottest September 15 recorded in the last 30 years saw temperatures hit 27.2°C in 2018, while the coldest dropped to 9.4°C in 2021.