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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 16.9 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 19.1 °C by the end of September.

  • Adelaide sees moderate rainfall in September, averaging 7 rainy days.

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Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/10°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
63 %
Avg humidity

Adelaide in September average weather

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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
Overcast
15° /9° 0.6 mm 4
2 Sept. Cloudy
Cloudy
15° /7° 0.2 mm 5
3 Sept. Sunny
Sunny
18° /9° 0 mm 6
4 Sept. Light rain
Light rain
19° /10° 3 mm 6
5 Sept. Cloudy
Cloudy
18° /13° 0.4 mm 5
6 Sept. Sunny
Sunny
20° /8° 5.2 mm 6
7 Sept. Light rain shower
Light rain shower
13° /7° 20.2 mm 4
8 Sept. Light rain shower
Light rain shower
13° /8° 9.4 mm 4
9 Sept. Cloudy
Cloudy
13° /6° 0.3 mm 4
10 Sept. Sunny
Sunny
16° /7° 0 mm 5
11 Sept. Partly cloudy
Partly cloudy
16° /8° 0.4 mm 5
12 Sept. Sunny
Sunny
17° /8° 0 mm 6
13 Sept. Overcast
Overcast
18° /9° 0 mm 6
14 Sept. Overcast
Overcast
18° /10° 0.1 mm 5
15 Sept. Mist
Mist
15° /6° 0 mm 5
16 Sept. Sunny
Sunny
17° /6° 0 mm 5
17 Sept. Overcast
Overcast
18° /8° 0 mm 5
18 Sept. Overcast
Overcast
19° /8° 0 mm 6
19 Sept. Mist
Mist
15° /10° 0.6 mm 4
20 Sept. Patchy rain possible
Patchy rain possible
14° /10° 1.8 mm 4
21 Sept. Patchy rain possible
Patchy rain possible
14° /8° 1.2 mm 4
22 Sept. Overcast
Overcast
17° /7° 0.3 mm 5
23 Sept. Sunny
Sunny
18° /9° 0 mm 6
24 Sept. Partly cloudy
Partly cloudy
21° /12° 0.5 mm 6
25 Sept. Sunny
Sunny
17° /9° 0.6 mm 5
26 Sept. Overcast
Overcast
16° /6° 0.6 mm 5
27 Sept. Cloudy
Cloudy
18° /6° 0 mm 5
28 Sept. Sunny
Sunny
22° /10° 0.4 mm 6
29 Sept. Sunny
Sunny
19° /11° 0.6 mm 5
30 Sept. Sunny
Sunny
21° /12° 0.1 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 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 Adelaide during September?
Moderate rainfall is anticipated in Adelaide 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 Adelaide during September?
The average wind speed in Adelaide during September is 19 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 💧

UV exposure in Adelaide 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?

Get accurate weather forecasts for Adelaide, located at latitude -34.929 and longitude 138.599. Stay updated with localized weather information tailored for Adelaide.

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