Mosman weather in September (New South Wales, Australia)

How does the September weather in Mosman compare to other months? Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.

Temperatures

The weather in Mosman is usually perfect in September, characterized by pleasant temperatures and moderate rainfall. Daytime temperatures generally peak at 20°C, but after sunset, they often decrease to around 13°C.

Precipitation

Mosman in September usually receives moderate rainfall, averaging around 55 mm for the month. It's the month receiving the least amount of rain. As the days go by, you can expect fewer clouds and less precipitation. This makes it an ideal time for outdoor activities and events that might be disrupted by wetter conditions in other months. Historically, the month has about 10 days of rain.

Average sunshine

With around 234 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Mosman. January, March, April, May, September, October, November and December typically offer the best circumstances. While June tends to showcase less optimal conditions.

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

 

Mosman, monthly averages in September

Min Temperature 13°C  

Max Temperature 20°C  

Water Temperature 17°C *  

Chance of Rain 33%  

Precipitation 55 mm  

Rainy days 10 days  

Humidity 50% *  

Windspeed 11 km/h *  

Sunshine 234 hours *  

Percentage Sunshine 66% *  

Data from: Sydney, Australia (14 KM, 8 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 Mosman, 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 17°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.

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

8/10

Outdoor sports

10/10

Interested in more climate information?

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

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.