Bunbury
September
Weather in Bunbury for September 2025
Your guide to Bunbury weather in September - trends and predictions
Until now, September 2025 in Bunbury is slightly cooler than the historical average by -1.4 °C.
The forecast for the upcoming days in Bunbury predicts a temperature of 19.3 °C, which is slightly above the historical average.
In general, the average temperature in Bunbury at the beginning of September is 15.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.1 °C by the end of September.
Bunbury experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 68.4 mm.
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Temperatures
Rain 🌧️
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21
Dry days
9
Rainy days
0
Snow days
17°/11°
Temperatures
25 km/h
Avg max wind
73 %
Avg humidity
Bunbury Weather September
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Temperatures trend during September in Bunbury
See the weather trend as well as the moving average line
September weather in Bunbury day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 17° /11° | 3.4 mm | 5 | |
| 2 Sept. | Light rain shower | 16° /10° | 3.5 mm | 5 | |
| 3 Sept. |  Moderate or heavy rain shower | 16° /9° | 8.4 mm | 5 | |
| 4 Sept. | Light rain shower | 15° /11° | 5.1 mm | 5 | |
| 5 Sept. | Light rain shower | 15° /11° | 16.4 mm | 4 | |
| 6 Sept. | Patchy rain possible | 15° /8° | 4 mm | 4 | |
| 7 Sept. |  Sunny | 15° /7° | 2.6 mm | 4 | |
| 8 Sept. | Patchy rain possible | 16° /7° | 0.1 mm | 4 | |
| 9 Sept. | Light rain shower | 16° /10° | 1.4 mm | 5 | |
| 10 Sept. | Patchy rain possible | 17° /9° | 0.1 mm | 5 | |
| 11 Sept. | Sunny | 18° /10° | 0.4 mm | 6 | |
| 12 Sept. |  Overcast | 20° /12° | 0 mm | 5 | |
| 13 Sept. | Moderate or heavy rain shower | 19° /12° | 10.7 mm | 5 | |
| 14 Sept. | Overcast | 17° /11° | 5.1 mm | 5 | |
| 15 Sept. | Overcast | 18° /13° | 0 mm | 5 | |
| 16 Sept. | Patchy rain possible | 15° /11° | 3.1 mm | 1.2 | |
| 17 Sept. |  Moderate rain | 15° /12° | 5.1 mm | 1.2 | |
| 18 Sept. | Patchy rain possible | 16° /11° | 1 mm | 1.4 | |
| 19 Sept. | Patchy rain possible | 18° /11° | 1 mm | 1.2 | |
| 20 Sept. | Sunny | 18° /10° | 0 mm | 5 | |
| 21 Sept. | Sunny | 19° /9° | 0 mm | 5 | |
| 22 Sept. | Sunny | 22° /10° | 0 mm | 6 | |
| 23 Sept. | Sunny | 23° /14° | 0 mm | 6 | |
| 24 Sept. | Sunny | 23° /14° | 0 mm | 6 | |
| 25 Sept. | Sunny | 21° /14° | 0 mm | 6 | |
| 26 Sept. | Sunny | 22° /12° | 0 mm | 6 | |
| 27 Sept. | Sunny | 23° /11° | 0 mm | 6 | |
| 28 Sept. | Patchy rain possible | 22° /16° | 1 mm | 5 | |
| 29 Sept. | Patchy rain possible | 13° /11° | 2.9 mm | 4 | |
| 30 Sept. | Light rain shower | 17° /11° | 0.7 mm | 5 | |
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Important Notice
Our weather forecast for Bunbury 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 Bunbury forecast closer to your planned date for the most up-to-date weather information.
Change Month
Bunbury in September - FAQ
What are the expected maximum and minimum temperatures in Bunbury during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Bunbury during September?
Moderate rainfall is anticipated in Bunbury during September, with a total of 68.4 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Bunbury during September?
The average wind speed in Bunbury during September is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Bunbury
Explore the daily rainfall trends and prepare for Bunburys September weather 💧
UV exposure in Bunbury during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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