Perth
September
Weather in Perth for September 2027
Your guide to Perth weather in September - trends and predictions
In general, the average temperature in Perth at the beginning of September is 17.5 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.7 °C by the end of September.
Perth experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 54.1 mm.
Is September a good time to visit Perth? check out the best time to travel to Perth page.
✨ Is September a good time to visit Perth? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
22
Dry days
8
Rainy days
0
Snow days
19°/11°
Temperatures
21 km/h
Avg max wind
65 %
Avg humidity
Perth Weather September
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Temperatures trend during September in Perth
See the weather trend as well as the moving average line
September weather in Perth day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 18° /11° | 1.7 mm | 6 | |
| 2 Sept. | Patchy rain possible | 17° /11° | 2 mm | 5 | |
| 3 Sept. |  Light rain | 17° /11° | 4.8 mm | 4 | |
| 4 Sept. | Light rain | 17° /11° | 3.2 mm | 5 | |
| 5 Sept. | Light rain | 17° /11° | 9.8 mm | 5 | |
| 6 Sept. | Light rain | 17° /11° | 4.4 mm | 5 | |
| 7 Sept. | Patchy rain possible | 19° /10° | 1.4 mm | 6 | |
| 8 Sept. |  Overcast | 19° /11° | 0.2 mm | 6 | |
| 9 Sept. | Light rain | 19° /10° | 2.6 mm | 6 | |
| 10 Sept. |  Partly cloudy | 19° /10° | 0.1 mm | 6 | |
| 11 Sept. |  Sunny | 21° /10° | 0.1 mm | 6 | |
| 12 Sept. | Patchy rain possible | 21° /12° | 1.6 mm | 6 | |
| 13 Sept. | Light rain | 19° /12° | 7.2 mm | 6 | |
| 14 Sept. | Patchy rain possible | 19° /12° | 1.7 mm | 5 | |
| 15 Sept. | Patchy rain possible | 19° /12° | 1.8 mm | 5 | |
| 16 Sept. | Patchy rain possible | 20° /13° | 1.2 mm | 5 | |
| 17 Sept. | Patchy rain possible | 20° /12° | 1.2 mm | 6 | |
| 18 Sept. | Patchy rain possible | 19° /11° | 0.9 mm | 5 | |
| 19 Sept. | Patchy rain possible | 18° /12° | 1.6 mm | 5 | |
| 20 Sept. | Sunny | 20° /11° | 0.6 mm | 6 | |
| 21 Sept. | Sunny | 22° /11° | 0.1 mm | 7 | |
| 22 Sept. | Sunny | 23° /12° | 0 mm | 7 | |
| 23 Sept. | Sunny | 21° /12° | 0.2 mm | 7 | |
| 24 Sept. | Sunny | 20° /11° | 0.2 mm | 6 | |
| 25 Sept. | Overcast | 20° /11° | 0.1 mm | 6 | |
| 26 Sept. | Sunny | 21° /11° | 0.6 mm | 6 | |
| 27 Sept. | Patchy rain possible | 21° /12° | 1.7 mm | 6 | |
| 28 Sept. | Patchy rain possible | 21° /13° | 1 mm | 6 | |
| 29 Sept. | Patchy rain possible | 21° /12° | 0.8 mm | 6 | |
| 30 Sept. | Patchy rain possible | 21° /13° | 1.3 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Perth 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 Perth forecast closer to your planned date for the most up-to-date weather information.
Change Month
Perth in September - FAQ
What are the expected maximum and minimum temperatures in Perth during September?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Perth during September?
Moderate rainfall is anticipated in Perth during September, with a total of 54.1 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Perth during September?
The average wind speed in Perth during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Perth
Explore the daily rainfall trends and prepare for Perths September weather 💧
Typically, Perth has 8 rainy days in September with a total of 54.1 mm of rainfall.
UV exposure in Perth during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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