Wanneroo (Clarkson)
September
Weather in Wanneroo for September 2026
Your guide to Wanneroo weather in September - trends and predictions
In general, the average temperature in Wanneroo at the beginning of September is 17.3 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 20.1 °C by the end of September.
The climate of Wanneroo in September is notably wet, with an average of 12 rainy days, and a total of 58.5 mm of precipitation.
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Temperatures
Rain 🌧️
More
18
Dry days
12
Rainy days
0
Snow days
19°/12°
Temperatures
25 km/h
Avg max wind
66 %
Avg humidity
Wanneroo Weather September
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Temperatures trend during September in Wanneroo
See the weather trend as well as the moving average line
September weather in Wanneroo day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 18° /12° | 1.6 mm | 6 | |
| 2 Sept. | Light rain shower | 19° /11° | 1.8 mm | 6 | |
| 3 Sept. | Light rain shower | 17° /12° | 6.8 mm | 5 | |
| 4 Sept. | Light rain shower | 17° /12° | 4 mm | 5 | |
| 5 Sept. | Light rain shower | 17° /12° | 15.8 mm | 5 | |
| 6 Sept. | Light rain shower | 16° /11° | 5.2 mm | 5 | |
| 7 Sept. |  Sunny | 17° /9° | 2.8 mm | 5 | |
| 8 Sept. |  Overcast | 18° /9° | 0.4 mm | 5 | |
| 9 Sept. | Overcast | 18° /11° | 0 mm | 5 | |
| 10 Sept. |  Partly cloudy | 19° /10° | 0.1 mm | 6 | |
| 11 Sept. | Sunny | 20° /10° | 0 mm | 7 | |
| 12 Sept. | Overcast | 22° /13° | 0 mm | 6 | |
| 13 Sept. |  Moderate or heavy rain with thunder | 21° /13° | 9.2 mm | 6 | |
| 14 Sept. | Overcast | 19° /13° | 3 mm | 6 | |
| 15 Sept. |  Cloudy | 18° /13° | 1 mm | 5 | |
| 16 Sept. | Patchy rain possible | 19° /12° | 0.4 mm | 6 | |
| 17 Sept. | Partly cloudy | 20° /12° | 1.6 mm | 6 | |
| 18 Sept. | Cloudy | 18° /12° | 0.1 mm | 6 | |
| 19 Sept. | Patchy rain possible | 19° /12° | 0.7 mm | 6 | |
| 20 Sept. | Sunny | 19° /11° | 0 mm | 6 | |
| 21 Sept. | Sunny | 21° /11° | 0 mm | 7 | |
| 22 Sept. | Sunny | 23° /13° | 0 mm | 7 | |
| 23 Sept. | Sunny | 20° /12° | 0.2 mm | 6 | |
| 24 Sept. | Sunny | 21° /12° | 0 mm | 7 | |
| 25 Sept. | Sunny | 21° /11° | 0 mm | 7 | |
| 26 Sept. | Patchy rain possible | 21° /13° | 0.1 mm | 6 | |
| 27 Sept. | Sunny | 21° /12° | 2.9 mm | 6 | |
| 28 Sept. | Sunny | 20° /14° | 0.7 mm | 6 | |
| 29 Sept. | Partly cloudy | 18° /12° | 0.1 mm | 6 | |
| 30 Sept. | Patchy rain possible | 19° /12° | 0.3 mm | 6 | |
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Important Notice
Our weather forecast for Wanneroo in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Wanneroo forecast closer to your planned date for the most up-to-date weather information.
Change Month
Wanneroo in September - FAQ
What are the expected maximum and minimum temperatures in Wanneroo during September?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Wanneroo during September?
Moderate rainfall is anticipated in Wanneroo during September, with a total of 58.5 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Wanneroo during September?
The average wind speed in Wanneroo during September is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Wanneroo
Explore the daily rainfall trends and prepare for Wanneroos September weather 💧
Typically, Wanneroo has 12 rainy days in September with a total of 58.5 mm of rainfall.
UV exposure in Wanneroo during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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