Williamstown weather in September (Victoria, Australia)

How is September weather typically in Williamstown? Thinking about a visit? Explore this page for a full overview of the weather conditions this month.

Temperatures

The month of September in Williamstown typically includes moderate temperatures and moderate rainfall. Daytime temperatures generally peak at 17°C, but after sunset, they often decrease to around 8°C.

Precipitation

Williamstown in September usually receives moderate rainfall, averaging around 68 mm for the month. It's the month with the heaviest rainfall, so an umbrella is a must to navigate the wet weather. You can typically expect 10 days days of rain this month, based on climate records.

Average sunshine

The city usually sees around 185 hours of sunlight, indicating a moderately sunny period.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Williamstown. January, February, March, April, November and December typically offer the most optimal weather. In contrast, May, June, July, August and September tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Williamstown climate page with graphs.

 

Williamstown, monthly averages in September

Min Temperature 8°C  

Max Temperature 17°C  

Water Temperature 13°C *  

Chance of Rain 34%  

Precipitation 68 mm  

Rainy days 10 days  

Humidity 52% *  

Windspeed 11 km/h *  

Sunshine 185 hours *  

Percentage Sunshine 52% *  

Data from: Melbourne, Australia (7 KM, 4 Miles).

Where to go in Australia in September

Find out more about the weather in Australia and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Williamstown, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes. With a water temperature of around 13°C there is no need to bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

Camping

4/10

Outdoor sports

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Williamstown.

Our site offers climate and forecast data for every country in the world. Are you going to Australia? On this website you can find historical weather averages for many cities in Australia. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.