Mount Gambier
September
Weather in Mount Gambier for September 2025
Your guide to Mount Gambier weather in September - trends and predictions
Until now, September 2025 in Mount Gambier is slightly cooler than the historical average by -0.7 °C.
The forecast for the next days in Mount Gambier predicts temperatures to be around 16 °C, close to the historical average.
In general, the average temperature in Mount Gambier at the beginning of September is 15.9 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 18.7 °C by the end of September.
The climate of Mount Gambier in September is notably wet, with an average of 15 rainy days, and a total of 76.8 mm of precipitation.
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Temperatures
Rain 🌧️
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15
Dry days
15
Rainy days
0
Snow days
17°/7°
Temperatures
17 km/h
Avg max wind
72 %
Avg humidity
Mount Gambier Weather September
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Temperatures trend during September in Mount Gambier
See the weather trend as well as the moving average line
September weather in Mount Gambier day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Overcast | 14° /7° | 3.9 mm | 4 | |
| 2 Sept. |  Mist | 15° /5° | 3.8 mm | 5 | |
| 3 Sept. |  Sunny | 17° /6° | 2.2 mm | 6 | |
| 4 Sept. |  Light rain shower | 16° /6° | 3.6 mm | 5 | |
| 5 Sept. | Patchy rain possible | 16° /6° | 4.2 mm | 4 | |
| 6 Sept. |  Cloudy | 17° /6° | 3.7 mm | 5 | |
| 7 Sept. | Light rain shower | 16° /9° | 14 mm | 5 | |
| 8 Sept. | Light rain shower | 14° /6° | 5.4 mm | 5 | |
| 9 Sept. | Light rain shower | 14° /6° | 7.4 mm | 4 | |
| 10 Sept. | Light rain shower | 15° /6° | 1 mm | 5 | |
| 11 Sept. | Light rain shower | 15° /5° | 1.8 mm | 4 | |
| 12 Sept. |  Partly cloudy | 17° /6° | 0.3 mm | 5 | |
| 13 Sept. | Sunny | 19° /7° | 0.1 mm | 6 | |
| 14 Sept. | Overcast | 19° /8° | 0.2 mm | 5 | |
| 15 Sept. | Mist | 16° /6° | 0 mm | 5 | |
| 16 Sept. |  Moderate rain | 14° /8° | 5.2 mm | 1.2 | |
| 17 Sept. | Patchy rain possible | 13° /5° | 0.7 mm | 0.9 | |
| 18 Sept. | Patchy rain possible | 18° /5° | 0.9 mm | 1.3 | |
| 19 Sept. | Moderate rain | 16° /7° | 10.7 mm | 1 | |
| 20 Sept. | Patchy rain possible | 12° /8° | 1.6 mm | 3 | |
| 21 Sept. | Patchy rain possible | 17° /6° | 0.1 mm | 4 | |
| 22 Sept. | Patchy rain possible | 14° /5° | 0.3 mm | 4 | |
| 23 Sept. | Patchy rain possible | 15° /5° | 0.1 mm | 4 | |
| 24 Sept. | Patchy rain possible | 15° /10° | 0.1 mm | 4 | |
| 25 Sept. | Partly cloudy | 19° /9° | 0 mm | 5 | |
| 26 Sept. | Patchy rain possible | 15° /10° | 0.4 mm | 4 | |
| 27 Sept. | Cloudy | 21° /10° | 0 mm | 4 | |
| 28 Sept. | Patchy rain possible | 17° /8° | 0 mm | 4 | |
| 29 Sept. | Sunny | 21° /5° | 3 mm | 7 | |
| 30 Sept. | Partly cloudy | 23° /8° | 0.1 mm | 7 | |
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Important Notice
Our weather forecast for Mount Gambier 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 Mount Gambier forecast closer to your planned date for the most up-to-date weather information.
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Mount Gambier in September - FAQ
What are the expected maximum and minimum temperatures in Mount Gambier during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Mount Gambier during September?
Moderate rainfall is anticipated in Mount Gambier during September, with a total of 76.8 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Mount Gambier during September?
The average wind speed in Mount Gambier during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Mount Gambier
Explore the daily rainfall trends and prepare for Mount Gambiers September weather 💧
UV exposure in Mount Gambier during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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