Bunbury
September
Weather in Bunbury for September 2026
Your guide to Bunbury weather in September - trends and predictions
So far, September 2026 in Bunbury is slightly warmer than the historical average by 1 °C.
The forecast for the upcoming days in Bunbury predicts a temperature of 19.2 °C, which is slightly above the historical average.
In general, the average temperature in Bunbury at the beginning of September is 16 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 18.9 °C by the end of September.
The climate of Bunbury in September is notably wet, with an average of 13 rainy days, and a total of 72.7 mm of precipitation.
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Temperatures
Rain 🌧️
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17
Dry days
13
Rainy days
0
Snow days
17°/10°
Temperatures
24 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° /10° | 2.6 mm | 5 | |
| 2 Sept. | Light rain shower | 16° /10° | 3.3 mm | 4 | |
| 3 Sept. |  Moderate or heavy rain shower | 16° /9° | 6.9 mm | 4 | |
| 4 Sept. | Light rain shower | 16° /11° | 4.3 mm | 4 | |
| 5 Sept. | Light rain shower | 15° /11° | 14.3 mm | 4 | |
| 6 Sept. | Patchy rain possible | 16° /8° | 3.1 mm | 4 | |
| 7 Sept. |  Sunny | 16° /7° | 2 mm | 4 | |
| 8 Sept. | Patchy rain possible | 17° /8° | 0.1 mm | 4 | |
| 9 Sept. |  Partly cloudy | 17° /10° | 1 mm | 5 | |
| 10 Sept. | Patchy rain possible | 18° /9° | 0.1 mm | 5 | |
| 11 Sept. | Sunny | 19° /10° | 0.4 mm | 5 | |
| 12 Sept. |  Overcast | 20° /12° | 0 mm | 5 | |
| 13 Sept. | Patchy rain possible | 17° /12° | 1.1 mm | 4.6 | |
| 14 Sept. | Overcast | 19° /12° | 0.2 mm | 5.7 | |
| 15 Sept. | Sunny | 23° /11° | 0 mm | 7.2 | |
| 16 Sept. | Sunny | 25° /16° | 3.7 mm | 7 | |
| 17 Sept. | Sunny | 22° /17° | 0.1 mm | 7 | |
| 18 Sept. | Patchy rain possible | 20° /14° | 0.1 mm | 7 | |
| 19 Sept. | Sunny | 14° /5° | 1.4 mm | 5 | |
| 20 Sept. | Sunny | 14° /4° | 0 mm | 5 | |
| 21 Sept. | Sunny | 16° /6° | 0 mm | 5 | |
| 22 Sept. | Sunny | 19° /9° | 0 mm | 6 | |
| 23 Sept. | Sunny | 18° /8° | 0 mm | 6 | |
| 24 Sept. | Overcast | 19° /8° | 0 mm | 5 | |
| 25 Sept. | Partly cloudy | 23° /9° | 0 mm | 7 | |
| 26 Sept. | Sunny | 19° /10° | 0 mm | 6 | |
| 27 Sept. | Sunny | 19° /10° | 3.5 mm | 5 | |
| 28 Sept. | Patchy rain possible | 18° /11° | 0.6 mm | 5 | |
| 29 Sept. | Patchy rain possible | 17° /10° | 0.4 mm | 5 | |
| 30 Sept. | Patchy rain possible | 17° /10° | 0.6 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 10°. 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 72.7 mm spread over approximately 13 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 24 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 💧
Typically, Bunbury has 13 rainy days in September with a total of 72.7 mm of rainfall.
UV exposure in Bunbury during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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