Adelaide
September
Weather in Adelaide for September 2025
Your guide to Adelaide weather in September - trends and predictions
In general, the average temperature in Adelaide at the beginning of September is 16.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 17.4 °C by the end of September.
The climate of Adelaide in September is notably wet, with an average of 14 rainy days, and a total of 49 mm of precipitation.
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Temperatures
Rain 🌧️
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16
Dry days
14
Rainy days
0
Snow days
16°/9°
Temperatures
21 km/h
Avg max wind
69 %
Avg humidity
Adelaide in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2  17° | 3  16° | 4  16° | 5 16° | 6 17° | 7 15° |
| 8  15° | 9 16° | 10 17° | 11 15° | 12 14° | 13 18° | 14 17° |
| 15  15° | 16 17° | 17 17° | 18 16° | 19 15° | 20  14° | 21 14° |
| 22 16° | 23 17° | 24 18° | 25 16° | 26 16° | 27 17° | 28 19° |
| 29 18° | 30 18° |
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Temperatures trend during September in Adelaide
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 | 17° /8° | 0.3 mm | 5 | |
| 2 Sept. | Cloudy | 17° /9° | 0.1 mm | 5 | |
| 3 Sept. | Sunny | 16° /8° | 0.6 mm | 5 | |
| 4 Sept. | Moderate rain at times | 16° /7° | 2.2 mm | 5 | |
| 5 Sept. | Overcast | 16° /10° | 0.2 mm | 4 | |
| 6 Sept. | Overcast | 17° /7° | 2.6 mm | 5 | |
| 7 Sept. | Cloudy | 15° /8° | 12.3 mm | 4 | |
| 8 Sept. | Light rain shower | 15° /8° | 7.2 mm | 5 | |
| 9 Sept. | Patchy rain possible | 16° /8° | 1 mm | 5 | |
| 10 Sept. | Sunny | 17° /8° | 0.1 mm | 5 | |
| 11 Sept. | Overcast | 15° /8° | 0.4 mm | 5 | |
| 12 Sept. | Sunny | 14° /7° | 1.8 mm | 5 | |
| 13 Sept. | Sunny | 18° /7° | 0 mm | 5 | |
| 14 Sept. | Sunny | 17° /8° | 1.6 mm | 5 | |
| 15 Sept. | Partly cloudy | 15° /6° | 0.9 mm | 5 | |
| 16 Sept. | Sunny | 17° /7° | 3.7 mm | 5 | |
| 17 Sept. | Sunny | 17° /9° | 1.5 mm | 5 | |
| 18 Sept. | Patchy rain possible | 16° /9° | 1.2 mm | 5 | |
| 19 Sept. | Overcast | 15° /9° | 0.4 mm | 5 | |
| 20 Sept. | Heavy rain at times | 14° /9° | 5 mm | 4 | |
| 21 Sept. | Patchy rain possible | 14° /8° | 0.8 mm | 4 | |
| 22 Sept. | Cloudy | 16° /8° | 0.1 mm | 5 | |
| 23 Sept. | Cloudy | 17° /8° | 0.2 mm | 5 | |
| 24 Sept. | Patchy rain possible | 18° /9° | 0.3 mm | 5 | |
| 25 Sept. | Overcast | 16° /8° | 1 mm | 5 | |
| 26 Sept. | Cloudy | 16° /6° | 0.7 mm | 5 | |
| 27 Sept. | Sunny | 17° /7° | 0.4 mm | 5 | |
| 28 Sept. | Patchy rain possible | 19° /10° | 0.4 mm | 6 | |
| 29 Sept. | Moderate rain at times | 18° /10° | 1 mm | 5 | |
| 30 Sept. | Moderate rain at times | 18° /11° | 1.1 mm | 6 | |
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Important Notice
Our weather forecast for Adelaide 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 Adelaide forecast closer to your planned date for the most up-to-date weather information.
Adelaide in September - FAQ
What are the expected maximum and minimum temperatures in Adelaide during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Adelaide during September?
In September, Adelaide can expect light to moderate rainfall, totaling 49 mm across approximately 14 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Adelaide during September?
The average wind speed in Adelaide during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Adelaide
Explore the daily rainfall trends and prepare for Adelaides September weather 💧
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