What is the weather like in Margaret River in September?

Expect temperatures between 11°C and 16°C with 25% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Margaret River in September?

Margaret River in September scores 64/100 based on 30 years of climate data. Decent conditions for most activities.

Who should visit Margaret River in September?

September in Margaret River is ideal for: Families with children, Cultural tourists, Business travelers, Adventure seekers, Heat-sensitive visitors.

Margaret River Weather in September | 30-Year Forecast

Avg High

16°C

Hottest around day 29

Avg Low

11°C

Coolest around day 1

Rainy Days

13days

25% avg rain chance

Sunshine

8hrs/day

Autumn season

Sea Temperature in September

Coastal Waters(Ocean)

17.7°C

Monthly Average

Water Feel

💧Refreshing

Consider a wetsuit for extended swimming

Swim Rating

🏄Cool, wetsuits recommended

Based on average sea surface temperature

Body of Water

Coastal Waters

Ocean

Margaret River coastline

Essential Travel Info for Margaret River

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

AUD

$ Australian dollar

Language

English

Driving

Left side

Safety

High Safety

GPI: 1.565

Travel Intelligence

Exclusive flight analytics & health data for Margaret River

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Remote

9/ 100

Traffic Index

Off the beaten path

Peak Daily Arrivals

slots per day

Peak

Dec

Low

Oct

Monthly Traffic Distribution

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Traffic Level

Low Season

Key Connections

Sydney Kingsford Smith (SYD)

Melbourne (MEL)

Auckland (AKL)

Cairns (CNS)

Adelaide (ADL)

Health & Safety Advisory

CDC travel health recommendations

6 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Australia. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Australia.

Japanese Encephalitis

Japanese encephalitis is mainly a concern in the Murray River, and the Outer Torres Strait Islands area.Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or traveling at times outside of the Japanese encephalitis season.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Australia.If rabies exposures occur while in Australia, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Yellow Fever

CDC recommendations:Vaccine isnotrecommended.Country entry requirements:Direct travel from United States: Vaccine isnotrequired.Travel from countries with risk for YF virus transmission: Vaccine isrequiredfor travelers ≥1 year old; this includes >12-hour airport transits or layovers in countries with risk for YF virus transmission.3Updated April 23, 2025See footnotes

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Margaret River?

👌Decent conditions for most activities(64/100)

Short Answer

Ideal September conditions in Margaret River: 16°C comfortable highs, just 25% chance of rain. The 73% humidity feels pleasant, making this prime sightseeing season.

Decision Factors

Vaccinations required

Yellow Fever

Rough sea conditions

3.35m average wave height - Surfers Only

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Dengue

Plenty of sunshine

9.3h of sunshine daily

Shoulder season - balanced conditions

77% of peak - good value with moderate crowds

Good For

👨‍👩‍👧‍👦
Families with children
Comfortable 16.2°C temperatures and low 25% rain risk
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💼
Business travelers
Climate-controlled meetings unaffected by weather
🎯
Adventure seekers
3.35m waves - good for surfing and water sports
🌡️
Heat-sensitive visitors
Manageable 16.2°C without oppressive humidity

Who Should Avoid

🏖️
Beach lovers
Sea temperature only 17.7°C - too cold for comfortable swimming

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Margaret River in September averages 16°C with 25% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Margaret River in September

What are the temperatures in Margaret River in September?

Daytime highs average 16°C, nights drop to 11°C. Temperatures remain fairly consistent.

How many rainy days in Margaret River in September?

Expect around 13 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Margaret River in September?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is September peak season in Margaret River?

This is shoulder season—moderate prices and manageable crowds.

Margaret River Weather in September

Sea Temperature in September

Margaret River September Weather Calendar

Essential Travel Info for Margaret River

Travel Intelligence

Smart Flight Estimator

Flight Connectivity Analysis

Monthly Traffic Distribution

Key Connections

Health & Safety Advisory

COVID-19

Hepatitis B

Japanese Encephalitis

Measles

Rabies

Yellow Fever

Is September a Good Time to Visit Margaret River?

Decision Factors

Good For

Who Should Avoid

Related Guides

Frequently Asked Questions: Margaret River in September

What are the temperatures in Margaret River in September?

How many rainy days in Margaret River in September?

What to wear in Margaret River in September?

Is September peak season in Margaret River?