30YearWeather
Adelaide, September 30
Adelaide street view during September
Historical Weather Analysis

Adelaide Weather on September 30 — Best Time to Visit?

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

cloudy

18.8°C

High

10.5°C

Low

23%

Rain

🌤️ Feels like 18.8°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

September 30 is generally a great time to visit Adelaide. While there is a slight chance of rain (23%), showers are usually brief. Expect comfortable 19°C weather. Expect a bustling atmosphere in Adelaide right now—this is when the city truly comes alive with visitors.

Currency

AUD

$ Australian dollar

Language

English

Driving

Left side

Connect

There is extensive free Wi-Fi access (po...

Safety

High Safety

GPI: 1.565

Adelaide Weather Forecast for September 30

"Mild & Comfortable. Expect average highs of 18.8°C. 23% chance of rain."

What to Wear in Adelaide in September

Based on historical data for September 30, Adelaide typically experiences temperatures between 10.5°C and 18.8°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (23% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Adelaide

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants

Average High

extreme-hot

18.8°C

Daytime Peak

Average Low

extreme-cold

10.5°C

Nighttime Low

Feels Like

partly-cloudy-day

18.8°C

🌤️ Feels accurate

Rain Chance

rain

23%

Avg 1.3mm if it rains

Cloud Cover

cloudy

48%

Overcast

Pressure

pressure

1016.6 hPa

Medium volatility

Adelaide Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

62%Moderately Predictable

Based on 10 years of data

Temperature
±4.3°CVariable
Precipitation
12-60%Unpredictable

~ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.

Sun Exposure

UV Index & Safety Guide

3.3Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

07:00 - 10:00

Afternoon

16:00 - 19:00

Time to Sunburn

Type I-II

🔴 24 min to burn

Type III-IV

🟡 36 min to burn

Type V-VI

🟢 60 min to burn

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

Outdoor Comfort

How pleasant is it outside?

86Excellent
TemperatureMild
HumidityHumid
WindBreezy

Dew Point

12.5°C

Pleasant

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
16.1°C
🥶 Polar Plunge
Avg daily surface temperature
Surf Conditions
0.87m
🌊 Fun Waves
Max daily wave height
Advisories

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

High

92/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~133

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Adelaide

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

07:25

☀️ Noon

13:37

🌇 Sunset

19:48

⏱️ Daylight

12h 22m

Golden Hour
Morning07:25 - 07:59
19:14 - 19:48Evening

Wind Speed

wind

23.8 km/h

Moderate wind

Sunshine

clear-day

10.0 hrs

Direct Sun (Cloud-free)

Humidity

humidity

67%

Slightly humid

Travel Intelligence

Exclusive flight analytics & health data for Adelaide

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 Adelaide

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

82/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1016.6 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
40AQI
Good
PM2.5 Concentration2.9 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):1
In Sep (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Adelaide on September 30 averages 18.8°C with a 23% precipitation probability. Wedding/Outdoor Event Score: 92/100."

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

Adelaide Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2023
28.9°C
Coldest
2018
8.2°C
Rainiest
2025
12.7mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (September 30) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Adelaide Worth Visiting on September 30?

Planning a trip to Adelaide on September 30? 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 18.8°C with a 23% historical precipitation risk.

✈️ Travel Logistics: Approximately 133 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 16.1°C (polar plunge). Wave conditions are generally fun waves with heights around 0.87m.

📊 Historical Extremes: The hottest September 30 recorded in the last 30 years saw temperatures hit 28.9°C in 2023, while the coldest dropped to 8.2°C in 2018.

Adelaide Weather FAQ