Mount Gambier
September
Weather in Mount Gambier for September 2025
Your guide to Mount Gambier weather in September - trends and predictions
In general, the average temperature in Mount Gambier at the beginning of September is 15.9 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19.3 °C by the end of September.
Mount Gambier sees moderate rainfall in September, averaging 10 rainy days.
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20
Dry days
10
Rainy days
0
Snow days
18°/7°
Temperatures
15 km/h
Avg max wind
70 %
Avg humidity
Mount Gambier in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  13° | 2  14° | 3  19° | 4  18° | 5 16° | 6  16° | 7  15° |
| 8 13° | 9 13° | 10 16° | 11 15° | 12  18° | 13 20° | 14 18° |
| 15 16° | 16 17° | 17  18° | 18 18° | 19 17° | 20 13° | 21 15° |
| 22 16° | 23 17° | 24 20° | 25 15° | 26 16° | 27 18° | 28 22° |
| 29 21° | 30 23° |
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Temperatures trend during September in Mount Gambier
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. | Overcast | 13° /7° | 5.2 mm | 4 | |
| 2 Sept. | Mist | 14° /5° | 1.8 mm | 5 | |
| 3 Sept. | Sunny | 19° /6° | 0 mm | 7 | |
| 4 Sept. | Light rain shower | 18° /7° | 3.3 mm | 6 | |
| 5 Sept. | Patchy rain possible | 16° /9° | 6.3 mm | 5 | |
| 6 Sept. | Cloudy | 16° /6° | 5.5 mm | 5 | |
| 7 Sept. | Moderate rain | 15° /7° | 16.3 mm | 5 | |
| 8 Sept. | Light rain shower | 13° /6° | 7.6 mm | 5 | |
| 9 Sept. | Light rain shower | 13° /6° | 11 mm | 4 | |
| 10 Sept. | Light rain shower | 16° /7° | 0.8 mm | 5 | |
| 11 Sept. | Fog | 15° /5° | 2 mm | 5 | |
| 12 Sept. | Partly cloudy | 18° /6° | 0 mm | 6 | |
| 13 Sept. | Sunny | 20° /8° | 0.1 mm | 6 | |
| 14 Sept. | Overcast | 18° /9° | 0.3 mm | 5 | |
| 15 Sept. | Mist | 16° /6° | 0 mm | 5 | |
| 16 Sept. | Sunny | 17° /6° | 0 mm | 5 | |
| 17 Sept. | Patchy light drizzle | 18° /6° | 0.1 mm | 5 | |
| 18 Sept. | Fog | 18° /8° | 1.6 mm | 5 | |
| 19 Sept. | Partly cloudy | 17° /8° | 1.7 mm | 5 | |
| 20 Sept. | Light rain shower | 13° /6° | 5.1 mm | 4 | |
| 21 Sept. | Fog | 15° /6° | 1 mm | 5 | |
| 22 Sept. | Overcast | 16° /5° | 0.6 mm | 5 | |
| 23 Sept. | Overcast | 17° /7° | 0.6 mm | 5 | |
| 24 Sept. | Sunny | 20° /8° | 0.6 mm | 6 | |
| 25 Sept. | Fog | 15° /7° | 2.1 mm | 5 | |
| 26 Sept. | Mist | 16° /3° | 0 mm | 5 | |
| 27 Sept. | Overcast | 18° /3° | 0 mm | 6 | |
| 28 Sept. | Fog | 22° /7° | 0 mm | 6 | |
| 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.
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 18° 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 84 mm spread over approximately 10 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 15 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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