Geelong
September
Weather in Geelong for September 2025
Your guide to Geelong weather in September - trends and predictions
Until now, September 2025 in Geelong is slightly cooler than the historical average by -1.3 °C.
The forecast for the next days in Geelong predicts temperatures to be around 16 °C, close to the historical average.
In general, the average temperature in Geelong at the beginning of September is 17.3 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 16.9 °C by the end of September.
Geelong experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 32.6 mm.
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Temperatures
Rain 🌧️
More
20
Dry days
10
Rainy days
0
Snow days
18°/7°
Temperatures
25 km/h
Avg max wind
67 %
Avg humidity
Geelong Weather September
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Temperatures trend during September in Geelong
See the weather trend as well as the moving average line
September weather in Geelong day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 15° /8° | 1.2 mm | 4 | |
| 2 Sept. |  Partly cloudy | 16° /6° | 1.9 mm | 5 | |
| 3 Sept. |  Sunny | 17° /6° | 0.9 mm | 6 | |
| 4 Sept. |  Light drizzle | 17° /5° | 1.5 mm | 4 | |
| 5 Sept. | Light drizzle | 16° /6° | 0.7 mm | 4 | |
| 6 Sept. | Sunny | 21° /5° | 0.6 mm | 5 | |
| 7 Sept. |  Overcast | 19° /9° | 3.3 mm | 5 | |
| 8 Sept. | Light rain shower | 14° /6° | 5.4 mm | 4 | |
| 9 Sept. | Patchy rain possible | 14° /6° | 0.5 mm | 4 | |
| 10 Sept. | Overcast | 15° /5° | 0.6 mm | 4 | |
| 11 Sept. |  Cloudy | 16° /5° | 1.1 mm | 4 | |
| 12 Sept. | Partly cloudy | 17° /6° | 0.2 mm | 5 | |
| 13 Sept. | Patchy rain possible | 18° /7° | 0 mm | 5 | |
| 14 Sept. | Overcast | 19° /8° | 1 mm | 6 | |
| 15 Sept. | Partly cloudy | 17° /6° | 0 mm | 5 | |
| 16 Sept. |  Moderate rain | 17° /10° | 5.8 mm | 1.1 | |
| 17 Sept. | Patchy rain possible | 13° /6° | 0.8 mm | 0.8 | |
| 18 Sept. | Partly cloudy | 19° /5° | 0 mm | 1.2 | |
| 19 Sept. | Moderate rain | 23° /8° | 5.7 mm | 1 | |
| 20 Sept. | Patchy rain possible | 12° /5° | 0.7 mm | 3 | |
| 21 Sept. | Patchy rain possible | 16° /8° | 0.3 mm | 4 | |
| 22 Sept. | Patchy rain possible | 16° /9° | 0.3 mm | 4 | |
| 23 Sept. | Partly cloudy | 16° /5° | 0 mm | 5 | |
| 24 Sept. | Overcast | 15° /8° | 0.1 mm | 4 | |
| 25 Sept. | Patchy rain possible | 20° /10° | 0 mm | 4 | |
| 26 Sept. | Patchy rain possible | 23° /6° | 1.2 mm | 4 | |
| 27 Sept. | Patchy rain possible | 9° /5° | 2.2 mm | 3 | |
| 28 Sept. | Patchy rain possible | 12° /3° | 1.6 mm | 3 | |
| 29 Sept. | Sunny | 15° /3° | 0 mm | 4 | |
| 30 Sept. | Sunny | 24° /8° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Geelong 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 Geelong forecast closer to your planned date for the most up-to-date weather information.
Change Month
Geelong in September - FAQ
What are the expected maximum and minimum temperatures in Geelong 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 Geelong during September?
In September, Geelong can expect light to moderate rainfall, totaling 32.6 mm across approximately 10 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Geelong during September?
The average wind speed in Geelong during September is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Geelong
Explore the daily rainfall trends and prepare for Geelongs September weather 💧
UV exposure in Geelong during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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