Kwinana
September
Weather in Kwinana for September 2026
Your guide to Kwinana weather in September - trends and predictions
In general, the average temperature in Kwinana at the beginning of September is 16.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 18.6 °C by the end of September.
The climate of Kwinana in September is notably wet, with an average of 12 rainy days, and a total of 66.5 mm of precipitation.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
18
Dry days
12
Rainy days
0
Snow days
18°/13°
Temperatures
29 km/h
Avg max wind
68 %
Avg humidity
Kwinana Weather September
Move between months or click on a day
Temperatures trend during September in Kwinana
See the weather trend as well as the moving average line
September weather in Kwinana day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 18° /13° | 2.9 mm | 5 | |
| 2 Sept. | Light rain shower | 18° /12° | 2.3 mm | 5 | |
| 3 Sept. |  Moderate or heavy rain shower | 16° /12° | 7.2 mm | 5 | |
| 4 Sept. | Light rain shower | 17° /13° | 4.3 mm | 5 | |
| 5 Sept. | Light rain shower | 17° /13° | 16.1 mm | 4 | |
| 6 Sept. | Light rain shower | 16° /11° | 6.4 mm | 4 | |
| 7 Sept. |  Sunny | 16° /9° | 2.9 mm | 5 | |
| 8 Sept. |  Overcast | 17° /10° | 0.7 mm | 5 | |
| 9 Sept. | Overcast | 16° /11° | 0.5 mm | 4 | |
| 10 Sept. | Sunny | 18° /11° | 0.1 mm | 5 | |
| 11 Sept. | Sunny | 20° /11° | 0 mm | 6 | |
| 12 Sept. | Overcast | 21° /14° | 0 mm | 6 | |
| 13 Sept. |  Moderate or heavy rain with thunder | 20° /14° | 10.1 mm | 5 | |
| 14 Sept. | Overcast | 19° /13° | 3.4 mm | 5 | |
| 15 Sept. | Overcast | 18° /14° | 0.9 mm | 5 | |
| 16 Sept. | Patchy rain possible | 18° /12° | 0.9 mm | 5 | |
| 17 Sept. | Sunny | 18° /13° | 2 mm | 6 | |
| 18 Sept. | Overcast | 17° /12° | 0.4 mm | 5 | |
| 19 Sept. | Patchy rain possible | 17° /13° | 0.9 mm | 5 | |
| 20 Sept. | Sunny | 17° /11° | 0.1 mm | 5 | |
| 21 Sept. | Sunny | 19° /11° | 0 mm | 6 | |
| 22 Sept. | Sunny | 21° /13° | 0 mm | 6 | |
| 23 Sept. | Sunny | 19° /13° | 0.1 mm | 6 | |
| 24 Sept. | Sunny | 19° /12° | 0 mm | 6 | |
| 25 Sept. |  Partly cloudy | 19° /11° | 0 mm | 6 | |
| 26 Sept. | Sunny | 19° /13° | 0.2 mm | 6 | |
| 27 Sept. | Sunny | 20° /12° | 2.8 mm | 6 | |
| 28 Sept. | Sunny | 18° /14° | 0.8 mm | 5 | |
| 29 Sept. | Patchy rain possible | 17° /12° | 0.2 mm | 5 | |
| 30 Sept. | Light rain shower | 18° /13° | 0.4 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Kwinana 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 Kwinana forecast closer to your planned date for the most up-to-date weather information.
Change Month
Kwinana in September - FAQ
What are the expected maximum and minimum temperatures in Kwinana during September?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Kwinana during September?
Moderate rainfall is anticipated in Kwinana during September, with a total of 66.5 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Kwinana during September?
The average wind speed in Kwinana during September is 29 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Kwinana
Explore the daily rainfall trends and prepare for Kwinanas September weather 💧
Typically, Kwinana has 12 rainy days in September with a total of 66.5 mm of rainfall.
UV exposure in Kwinana during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
More Kwinana weather pages
You are here
Where is Kwinana?Get accurate weather forecasts for Kwinana, located at latitude -32.23 and longitude 115.781. Stay updated with localized weather information tailored for Kwinana.
Found a mistake?
We appreciate your attention to details. Tell us here.