30YearWeather
Perth, October 9
Perth street view during October
Historical Weather Analysis

Perth Weather on October 9 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

clear-day

20.7°C

High

11.4°C

Low

7%

Rain

☀️ Feels like 20.8°C

clear-day
YES, IT'S PARADISE
Peak Season

October 9 is statistically one of the best days of the year in Perth. With minimal rain risk (7%) and pleasant highs of 21°C, it's ideal for outdoor adventures. Perth is currently in its most popular travel window, meaning vibrant crowds and premium pricing.

Currency

AUD

$ Australian dollar

Language

English

Driving

Left side

Safety

High Safety

GPI: 1.565

Perth Weather Forecast for October 9

"Mild & Comfortable. Expect average highs of 20.7°C. 7% chance of rain."

What to Wear in Perth in October

Based on historical data for October 9, Perth typically experiences temperatures between 11.4°C and 20.7°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (7% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Perth

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants

Average High

extreme-hot

20.7°C

Daytime Peak

Average Low

extreme-cold

11.4°C

Nighttime Low

Feels Like

partly-cloudy-day

20.8°C

☀️ Feels accurate

Rain Chance

rain

7%

Avg 0.4mm if it rains

Cloud Cover

cloudy

40%

Overcast

Pressure

pressure

1018.3 hPa

Medium volatility

Perth Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

92%Highly Predictable

Based on 10 years of data

Temperature
±3.1°CModerate
Precipitation
0-11%Predictable

🎯 This date historically delivers consistent weather 92% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

5.5Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 18:00

Time to Sunburn

Type I-II

🔴 15 min to burn

Type III-IV

🟡 23 min to burn

Type V-VI

🟢 38 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

83Excellent
TemperatureWarm
HumidityMuggy
WindBreezy

Dew Point

15°C

Pleasant

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
19.1°C
🥃 Refreshing Tonic
Avg daily surface temperature
Surf Conditions
1.18m
🌊 Fun Waves
Max daily wave height
Advisories

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

89/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~220

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Perth

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:45

☀️ Noon

12:05

🌇 Sunset

18:24

⏱️ Daylight

12h 38m

Golden Hour
Morning05:45 - 06:18
17:51 - 18:24Evening

Wind Speed

wind

23.5 km/h

Moderate wind

Sunshine

clear-day

11.3 hrs

Direct Sun (Cloud-free)

Humidity

humidity

70%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Perth

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Perth

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

94/100

Tourist Crowds

🟡 Busy

70/100

Price Level

💰💰 Moderate

75/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1018.3 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
37AQI
Good
PM2.5 Concentration3.6 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Perth on October 9 averages 20.7°C with a 7% precipitation probability. Wedding/Outdoor Event Score: 100/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Perth Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2018
26.9°C
Coldest
2017
6.2°C
Rainiest
2024
0.5mm

Compare Other Cities

Same date (October 9) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Perth Worth Visiting on October 9?

Planning a trip to Perth on October 9? 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 20.7°C with a 7% historical precipitation risk.

✈️ Travel Logistics: Approximately 220 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 19.1°C (refreshing tonic). Wave conditions are generally fun waves with heights around 1.18m.

📊 Historical Extremes: The hottest October 9 recorded in the last 30 years saw temperatures hit 26.9°C in 2018, while the coldest dropped to 6.2°C in 2017.

Perth Weather FAQ