Bunbury
September
Weather in Bunbury for September 2025
Your guide to Bunbury weather in September - trends and predictions
In general, the average temperature in Bunbury at the beginning of September is 15.6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 18.1 °C by the end of September.
The climate of Bunbury in September is notably wet, with an average of 13 rainy days.
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17
Dry days
13
Rainy days
0
Snow days
18°/11°
Temperatures
27 km/h
Avg max wind
74 %
Avg humidity
Bunbury in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2 17° | 3  15° | 4 15° | 5 14° | 6 16° | 7  15° |
| 8  17° | 9 17° | 10 18° | 11 19° | 12 20° | 13 19° | 14 19° |
| 15 18° | 16 19° | 17 17° | 18 18° | 19 16° | 20 17° | 21 18° |
| 22  19° | 23  18° | 24 18° | 25 17° | 26 19° | 27 19° | 28 19° |
| 29 18° | 30 17° |
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Temperatures trend during September in Bunbury
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 17° /12° | 5 mm | 5 | |
| 2 Sept. | Light rain shower | 17° /11° | 5.3 mm | 5 | |
| 3 Sept. | Moderate or heavy rain shower | 15° /10° | 12.6 mm | 4 | |
| 4 Sept. | Light rain shower | 15° /12° | 7.6 mm | 5 | |
| 5 Sept. | Light rain shower | 14° /11° | 11.6 mm | 4 | |
| 6 Sept. | Patchy rain possible | 16° /8° | 3.4 mm | 5 | |
| 7 Sept. | Sunny | 15° /8° | 0.5 mm | 5 | |
| 8 Sept. | Overcast | 17° /9° | 0 mm | 5 | |
| 9 Sept. | Light rain shower | 17° /11° | 2 mm | 5 | |
| 10 Sept. | Patchy rain possible | 18° /11° | 0.1 mm | 5 | |
| 11 Sept. | Light rain shower | 19° /11° | 0.6 mm | 6 | |
| 12 Sept. | Overcast | 20° /12° | 0 mm | 6 | |
| 13 Sept. | Moderate or heavy rain shower | 19° /12° | 10.8 mm | 6 | |
| 14 Sept. | Overcast | 19° /12° | 0 mm | 6 | |
| 15 Sept. | Overcast | 18° /13° | 0 mm | 5 | |
| 16 Sept. | Light rain shower | 19° /12° | 0.7 mm | 5 | |
| 17 Sept. | Sunny | 17° /10° | 0.1 mm | 6 | |
| 18 Sept. | Patchy rain possible | 18° /9° | 0.3 mm | 5 | |
| 19 Sept. | Patchy rain possible | 16° /9° | 0.7 mm | 5 | |
| 20 Sept. | Sunny | 17° /8° | 0 mm | 6 | |
| 21 Sept. | Sunny | 18° /8° | 0 mm | 6 | |
| 22 Sept. | Partly cloudy | 19° /10° | 0 mm | 6 | |
| 23 Sept. | Cloudy | 18° /11° | 0.1 mm | 5 | |
| 24 Sept. | Sunny | 18° /9° | 0.2 mm | 5 | |
| 25 Sept. | Sunny | 17° /7° | 0 mm | 5 | |
| 26 Sept. | Sunny | 19° /10° | 0.1 mm | 6 | |
| 27 Sept. | Sunny | 19° /10° | 5.3 mm | 5 | |
| 28 Sept. | Sunny | 19° /11° | 0.2 mm | 6 | |
| 29 Sept. | Sunny | 18° /10° | 0.5 mm | 5 | |
| 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.
Bunbury in September - FAQ
What are the expected maximum and minimum temperatures in Bunbury during September?
Enjoy moderate daytime temperatures of up to 18° 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 94.6 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 27 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 💧
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