What is the weather like in Melbourne in September?

Expect temperatures between 8°C and 17°C with 24% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Melbourne in September?

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

Who should visit Melbourne in September?

September in Melbourne is ideal for: Families with children, Outdoor enthusiasts, Cultural tourists, Honeymoon couples, Business travelers.

Melbourne Weather in September | 30-Year Forecast

Avg High

17°C

Hottest around day 30

Avg Low

8°C

Coolest around day 3

Rainy Days

9days

24% avg rain chance

Sunshine

8hrs/day

Autumn season

Sea Temperature in September

Bass Strait

13.3°C

Monthly Average

Water Feel

🥶Polar Plunge

Consider a wetsuit for extended swimming

Swim Rating

❄️Cold water hazard

Based on average sea surface temperature

Body of Water

Bass Strait

Melbourne coastline

Essential Travel Info for Melbourne

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

AUD

$ Australian dollar

Language

English

Driving

Left side

Connect

The main post office in Melbourne's CBD ...

Safety

High Safety

GPI: 1.565

Travel Intelligence

Exclusive flight analytics & health data for Melbourne

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Well Connected

73/ 100

Traffic Index

Popular destination

Peak Daily Arrivals

slots per day

Peak

Dec

Low

Nov

Monthly Traffic Distribution

353

Jan

353

Feb

350

Mar

404

Apr

422

May

262

Jun

471

Jul

480

Aug

454

Sep

328

Oct

211

Nov

495

Dec

Traffic Level

Low Season

Key Connections

Sydney Kingsford Smith (SYD)

Brisbane City Brisbane (BNE)

Adelaide (ADL)

Perth International (PER)

Gold Coast (OOL)

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 Melbourne?

👌Decent conditions for most activities(64/100)

Short Answer

Don't expect beach weather in Melbourne's September: 13.3°C cold seas despite 17°C air temps. Coastal scenery remains beautiful, just pack warm layers.

Decision Factors

Vaccinations required

Yellow Fever

Peak tourist season

92% of annual peak - expect crowds and peak prices

Cold sea - swimming challenging

13.3°C sea temperature - Polar Plunge

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Dengue

Plenty of sunshine

9h of sunshine daily

Good For

👨‍👩‍👧‍👦
Families with children
Comfortable 16.9°C temperatures and low 24% rain risk
🥾
Outdoor enthusiasts
Ideal hiking conditions: 16.9°C, 24% rain chance
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 87/100 with romantic weather conditions
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

🏖️
Beach lovers
Sea temperature only 13.3°C - too cold for comfortable swimming
💰
Budget travelers
Peak season means premium prices everywhere

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Melbourne in September averages 17°C with 24% precipitation probability."

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

Frequently Asked Questions: Melbourne in September

What are the temperatures in Melbourne in September?

Daytime highs average 17°C, nights drop to 8°C. Temperatures remain fairly consistent.

How many rainy days in Melbourne in September?

Expect around 9 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Melbourne in September?

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

Is September peak season in Melbourne?

This is shoulder season—moderate prices and manageable crowds.

Melbourne Weather in September

Sea Temperature in September

Melbourne September Weather Calendar

Essential Travel Info for Melbourne

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 Melbourne?

Decision Factors

Good For

Who Should Avoid

Related Guides

Frequently Asked Questions: Melbourne in September

What are the temperatures in Melbourne in September?

How many rainy days in Melbourne in September?

What to wear in Melbourne in September?

Is September peak season in Melbourne?