September 4 is generally a great time to visit Margaret River. While there is a slight chance of rain (34%), showers are usually brief. Expect comfortable 15°C weather. Margaret River is seeing high visitor numbers, so iconic spots may be busier than usual.
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Essential Travel Info for Margaret River
Currency
AUD
$ Australian dollar
Language
English
Driving
Left side
Safety
High Safety
GPI: 1.565
Margaret River Weather Forecast for September 4
"Mild & Comfortable. Expect average highs of 15.4°C. 34% chance of rain."
What to Wear in Margaret River in September
Based on historical data for September 4, Margaret River typically experiences temperatures between 10.3°C and 15.4°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 34% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Margaret River
Smart Suitcase
- Light Jacket
- Long Pants
- Umbrella
Average High
15.4°C
Daytime Peak
Average Low
10.3°C
Nighttime Low
Feels Like
15.4°C
🌤️ Feels accurate
Rain Chance
34%
Avg 1.8mm if it rains
Cloud Cover
60%
Light drizzle
Pressure
1017.2 hPa
Medium volatility
Margaret River Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 87% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 28 min to burn
Type III-IV
🟡 42 min to burn
Type V-VI
🟢 70 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
10.4°C
Pleasant
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
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Australia
Flight Traffic
Busy
77/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~17
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Margaret River
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:36
☀️ Noon
12:20
🌇 Sunset
18:04
⏱️ Daylight
11h 28m
Wind Speed
20.7 km/h
Moderate wind
Sunshine
9.0 hrs
Direct Sun (Cloud-free)
Humidity
72%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Margaret River
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Margaret River
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
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, Margaret River on September 4 averages 15.4°C with a 34% precipitation probability. Wedding/Outdoor Event Score: 83/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Margaret River Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 10
16.1°C • 26% rain
Score
88
September 11
16.1°C • 27% rain
Score
88
September 9
16°C • 28% rain
Score
87
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (September 4) in other destinations
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📍 Is Margaret River Worth Visiting on September 4?
Planning a trip to Margaret River on September 4? 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 15.4°C with a 34% historical precipitation risk.
✈️ Travel Logistics: Approximately 17 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 17.5°C (refreshing tonic). Wave conditions are generally surfers only with heights around 3.84m.
📊 Historical Extremes: The hottest September 4 recorded in the last 30 years saw temperatures hit 17°C in 2020, while the coldest dropped to 7.8°C in 2025.