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Joondalup Weather in September
September in Joondalup sees daytime temperatures around 20°C (68°F) and lows of 11°C (52°F) at night. With around 61 mm (2.4 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Joondalup in September
On average, there are about 10 days with rain during this month, averaging 61 mm (2.4 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Joondalup in September
September is one of the better months to visit Joondalup. Expect 20°C (68°F) during the day and 11°C (52°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Joondalup in September
Expect a lot of sunshine this month, with about 230 hours of sun. These sunny conditions add to the overall experience.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Joondalup Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
20°C (68°F)
Chance of Rain
33%
Precipitation
61 mm (2.4 in)
Rainy days
10 days
Humidity
53% *
Sunshine
230 hours *
Percentage Sunshine
*
* Data from: Perth, Australia (27 KM, 16 Miles).
Joondalup Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Joondalup - and find the best time to visit.
Best Places in Australia in September
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Joondalup in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Joondalup in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Barbeque8/10 -
Camping8/10 -
Outdoor sports10/10
Joondalup 3-Day Forecast
More climate data for Joondalup
Temperature Rainfall Sunshine Humidity
See the full Joondalup climate overview or explore weather in Australia.
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Where to go in September - average daytime high across popular destinations.
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