Mount Gambier
September
Weather in Mount Gambier for September 2026
Your guide to Mount Gambier weather in September - trends and predictions
Until now, September 2026 in Mount Gambier is slightly cooler than the historical average by 1 °C.
The forecast for the upcoming days in Mount Gambier predicts a temperature of 17.6 °C, which is slightly above the historical average.
In general, the average temperature in Mount Gambier at the beginning of September is 15.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19 °C by the end of September.
Mount Gambier experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 83.2 mm.
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Temperatures
Rain 🌧️
More
9
Dry days
21
Rainy days
0
Snow days
16°/7°
Temperatures
17 km/h
Avg max wind
74 %
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 | 15° /7° | 5 mm | 4 | |
| 2 Sept. |  Patchy rain possible | 15° /5° | 2.9 mm | 4 | |
| 3 Sept. |  Sunny | 16° /6° | 1.8 mm | 5 | |
| 4 Sept. | Light rain shower | 16° /6° | 3.2 mm | 4 | |
| 5 Sept. | Patchy rain possible | 15° /7° | 4.6 mm | 4 | |
| 6 Sept. |  Cloudy | 16° /7° | 3 mm | 4 | |
| 7 Sept. | Light rain shower | 16° /7° | 10.6 mm | 4 | |
| 8 Sept. | Light rain shower | 14° /5° | 4.1 mm | 4 | |
| 9 Sept. | Light rain shower | 13° /6° | 5.6 mm | 4 | |
| 10 Sept. | Light rain shower | 15° /5° | 0.8 mm | 4 | |
| 11 Sept. | Light rain shower | 16° /5° | 1.3 mm | 4 | |
| 12 Sept. |  Partly cloudy | 17° /6° | 0.3 mm | 5 | |
| 13 Sept. | Overcast | 20° /12° | 1.5 mm | 2.3 | |
| 14 Sept. | Patchy rain possible | 16° /9° | 0.9 mm | 4.3 | |
| 15 Sept. | Patchy rain possible | 13° /8° | 1.1 mm | 5.6 | |
| 16 Sept. | Sunny | 14° /5° | 0 mm | 5 | |
| 17 Sept. | Sunny | 17° /4° | 0 mm | 6 | |
| 18 Sept. | Overcast | 21° /5° | 0 mm | 6 | |
| 19 Sept. | Sunny | 24° /15° | 0 mm | 7 | |
| 20 Sept. | Sunny | 22° /8° | 18 mm | 7 | |
| 21 Sept. | Sunny | 15° /8° | 1.1 mm | 6 | |
| 22 Sept. | Light rain shower | 12° /5° | 3.9 mm | 4 | |
| 23 Sept. | Sunny | 14° /4° | 0 mm | 5 | |
| 24 Sept. | Sunny | 17° /3° | 0 mm | 6 | |
| 25 Sept. | Sunny | 21° /6° | 0 mm | 7 | |
| 26 Sept. |  Fog | 21° /8° | 0 mm | 7 | |
| 27 Sept. | Overcast | 17° /3° | 0.2 mm | 5 | |
| 28 Sept. | Fog | 19° /6° | 0 mm | 5 | |
| 29 Sept. | Sunny | 18° /5° | 9.7 mm | 6 | |
| 30 Sept. | Partly cloudy | 20° /8° | 3.1 mm | 6 | |
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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.
Change Month
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 16° 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 83.2 mm spread over approximately 21 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 💧
Typically, Mount Gambier has 21 rainy days in September with a total of 83.2 mm of rainfall.
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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