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Australia weather

Weather in Adelaide Hills for September 2025

Your guide to Adelaide Hills weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Adelaide Hills is slightly cooler than the historical average by -0.9 °C.

  • Expect cooler weather in the next days in Adelaide Hills with the forecast suggesting a temperature of 14.7 °C, lower than the historical average.

  • In general, the average temperature in Adelaide Hills at the beginning of September is 17.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.6 °C by the end of September.

    • Rain 🌧️

  • Adelaide Hills experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 40.2 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/7°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
65 %
Avg humidity

Adelaide Hills Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
15°
2
Cloudy
16°
3
Sunny
18°
4
Light rain shower
18°
5
Light drizzle
18°
6
Sunny
22°
7
Light rain shower
17°
8
Light rain shower
14°
9
Cloudy
14°
10
Partly cloudy
16°
11
Light rain shower
16°
12
Sunny
17°
13
Overcast
19°
14
Overcast
20°
15
Fog
18°
16
Sunny
18°
17
Patchy rain possible
14°
18
Sunny
19°
19
Patchy rain possible
16°
20
Patchy rain possible
12°
21
Patchy rain possible
14°
22
Patchy rain possible
14°
23
Patchy rain possible
15°
24
Partly cloudy
15°
25
Sunny
17°
26
Patchy rain possible
16°
27
Patchy rain possible
10°
28
Patchy rain possible
11°
29
Patchy rain possible
14°
30
Sunny
19°

Temperatures trend during September in Adelaide Hills

See the weather trend as well as the moving average line

September weather in Adelaide Hills day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 15° /7° 0.2 mm 4
2 Sept. Cloudy
Cloudy
 16° /5° 0.1 mm 5
3 Sept. Sunny
Sunny
 18° /6° 0.6 mm 5
4 Sept. Light rain shower
Light rain shower
 18° /7° 1.9 mm 5
5 Sept. Light drizzle
Light drizzle
 18° /8° 0.4 mm 5
6 Sept. Sunny
Sunny
 22° /8° 2.8 mm 6
7 Sept. Light rain shower
Light rain shower
 17° /7° 11.5 mm 5
8 Sept. Light rain shower
Light rain shower
 14° /5° 5.3 mm 4
9 Sept. Cloudy
Cloudy
 14° /4° 6.6 mm 4
10 Sept. Partly cloudy
Partly cloudy
 16° /6° 1.7 mm 5
11 Sept. Light rain shower
Light rain shower
 16° /6° 0.5 mm 5
12 Sept. Sunny
Sunny
 17° /5° 0 mm 5
13 Sept. Overcast
Overcast
 19° /7° 0 mm 5
14 Sept. Overcast
Overcast
 20° /8° 0.1 mm 6
15 Sept. Fog
Fog
 18° /6° 3.2 mm 5
16 Sept. Sunny
Sunny
 18° /5° 0 mm 6
17 Sept. Patchy rain possible
Patchy rain possible
 14° /9° 0.5 mm 1.3
18 Sept. Sunny
Sunny
 19° /8° 0.1 mm 1.4
19 Sept. Patchy rain possible
Patchy rain possible
 16° /10° 1.5 mm 1.2
20 Sept. Patchy rain possible
Patchy rain possible
 12° /9° 1.1 mm 0.9
21 Sept. Patchy rain possible
Patchy rain possible
 14° /11° 2.1 mm 4
22 Sept. Patchy rain possible
Patchy rain possible
 14° /10° 0.5 mm 4
23 Sept. Patchy rain possible
Patchy rain possible
 15° /8° 0.1 mm 4
24 Sept. Partly cloudy
Partly cloudy
 15° /10° 0 mm 5
25 Sept. Sunny
Sunny
 17° /10° 0 mm 5
26 Sept. Patchy rain possible
Patchy rain possible
 16° /11° 0 mm 4
27 Sept. Patchy rain possible
Patchy rain possible
 10° /8° 2.1 mm 3
28 Sept. Patchy rain possible
Patchy rain possible
 11° /7° 0.4 mm 3
29 Sept. Patchy rain possible
Patchy rain possible
 14° /10° 0.2 mm 4
30 Sept. Sunny
Sunny
 19° /9° 0 mm 5
Next
Important Notice
Our weather forecast for Adelaide Hills 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 Hills forecast closer to your planned date for the most up-to-date weather information.
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Adelaide Hills in September - FAQ

What are the expected maximum and minimum temperatures in Adelaide Hills 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 Adelaide Hills during September?
In September, Adelaide Hills can expect light to moderate rainfall, totaling 40.2 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Adelaide Hills during September?
The average wind speed in Adelaide Hills during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Adelaide Hills

Explore the daily rainfall trends and prepare for Adelaide Hillss September weather 💧

UV exposure in Adelaide Hills during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Adelaide Hills?

Get accurate weather forecasts for Adelaide Hills, located at latitude -34.911 and longitude 138.707. Stay updated with localized weather information tailored for Adelaide Hills.

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