Canberra weather

Our guide to the weather in Canberra during September

15

Average high

3

UV Index

75mm

Monthly rainfall

9

Sea temperature

We've looked at the most up-to-date weather data for Canberra, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Canberra weather in September.

What's the temperature like in Canberra during September?

The temperature reaches around 15℃ during the daytime in September, falling away to 4℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Canberra during September?

On average, there will be 3 rainy days during the month, amounting to 75.0mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Canberra during September?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in September. With moderate air temperatures, any breeze will feel cool.

Is it too cold to swim in the sea in Canberra during September?

The water around Canberra is a bracing 9℃ during September and is too cold for for swimming. Those who frequently swim in cold open water might want to take a very quick dip, but prolonged exposure could cause hypothermia. A winter wetsuit will allow longer exposure to the water.

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Weather in Canberra

Our month-by-month guide to the weather and climate in Canberra

28.4

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January
25.9

Canberra weather in

February
23.0

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March
19.0

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April
14.5

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May
11.3

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June
10.6

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July
11.6

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August
15.1

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September
18.7

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October
22.0

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November
25.4

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December