South Australia (Adelaide)
September
Weather in South Australia for September 2025
Your guide to South Australia weather in September - trends and predictions
In general, the average temperature in South Australia at the beginning of September is 16.9 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 19.1 °C by the end of September.
South Australia sees moderate rainfall in September, averaging 7 rainy days.
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23
Dry days
7
Rainy days
0
Snow days
18°/10°
Temperatures
19 km/h
Avg max wind
63 %
Avg humidity
South Australia in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  15° | 2  15° | 3  18° | 4  19° | 5 18° | 6 20° | 7  13° |
| 8 13° | 9 13° | 10 16° | 11  16° | 12 17° | 13 18° | 14 18° |
| 15  15° | 16 17° | 17 18° | 18 19° | 19 15° | 20 14° | 21 14° |
| 22 17° | 23 18° | 24 21° | 25 17° | 26 16° | 27 18° | 28 22° |
| 29 19° | 30 21° |
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Temperatures trend during September in South Australia
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 | 15° /9° | 0.6 mm | 4 | |
| 2 Sept. | Cloudy | 15° /7° | 0.2 mm | 5 | |
| 3 Sept. | Sunny | 18° /9° | 0 mm | 6 | |
| 4 Sept. | Light rain | 19° /10° | 3 mm | 6 | |
| 5 Sept. | Cloudy | 18° /13° | 0.4 mm | 5 | |
| 6 Sept. | Sunny | 20° /8° | 5.2 mm | 6 | |
| 7 Sept. | Light rain shower | 13° /7° | 20.2 mm | 4 | |
| 8 Sept. | Light rain shower | 13° /8° | 9.4 mm | 4 | |
| 9 Sept. | Cloudy | 13° /6° | 0.3 mm | 4 | |
| 10 Sept. | Sunny | 16° /7° | 0 mm | 5 | |
| 11 Sept. | Partly cloudy | 16° /8° | 0.4 mm | 5 | |
| 12 Sept. | Sunny | 17° /8° | 0 mm | 6 | |
| 13 Sept. | Overcast | 18° /9° | 0 mm | 6 | |
| 14 Sept. | Overcast | 18° /10° | 0.1 mm | 5 | |
| 15 Sept. | Mist | 15° /6° | 0 mm | 5 | |
| 16 Sept. | Sunny | 17° /6° | 0 mm | 5 | |
| 17 Sept. | Overcast | 18° /8° | 0 mm | 5 | |
| 18 Sept. | Overcast | 19° /8° | 0 mm | 6 | |
| 19 Sept. | Mist | 15° /10° | 0.6 mm | 4 | |
| 20 Sept. | Patchy rain possible | 14° /10° | 1.8 mm | 4 | |
| 21 Sept. | Patchy rain possible | 14° /8° | 1.2 mm | 4 | |
| 22 Sept. | Overcast | 17° /7° | 0.3 mm | 5 | |
| 23 Sept. | Sunny | 18° /9° | 0 mm | 6 | |
| 24 Sept. | Partly cloudy | 21° /12° | 0.5 mm | 6 | |
| 25 Sept. | Sunny | 17° /9° | 0.6 mm | 5 | |
| 26 Sept. | Overcast | 16° /6° | 0.6 mm | 5 | |
| 27 Sept. | Cloudy | 18° /6° | 0 mm | 5 | |
| 28 Sept. | Sunny | 22° /10° | 0.4 mm | 6 | |
| 29 Sept. | Sunny | 19° /11° | 0.6 mm | 5 | |
| 30 Sept. | Sunny | 21° /12° | 0.1 mm | 6 | |
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Important Notice
Our weather forecast for South Australia 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 South Australia forecast closer to your planned date for the most up-to-date weather information.
South Australia in September - FAQ
What are the expected maximum and minimum temperatures in South Australia during September?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in South Australia during September?
Moderate rainfall is anticipated in South Australia during September, with a total of 65 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in South Australia during September?
The average wind speed in South Australia during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in South Australia
Explore the daily rainfall trends and prepare for South Australias September weather 💧
UV exposure in South Australia during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Provinces in South Australia
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Top locations in South Australia
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AdelaideAdelaide HillsGawlerHappy ValleyMount BarkerMount GambierMurray BridgePort LincolnPort PirieProspect
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