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Australia weather

Weather in Mandurah for September 2026

Your guide to Mandurah weather in September - trends and predictions

    Temperatures

  • So far, September 2026 in Mandurah is slightly warmer than the historical average by 0.6 °C.

  • The forecast for the upcoming days in Mandurah predicts a temperature of 18.9 °C, which is slightly above the historical average.

  • In general, the average temperature in Mandurah at the beginning of September is 16.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 18.1 °C by the end of September.

    • Rain 🌧️

  • The climate of Mandurah in September is notably wet, with an average of 15 rainy days, and a total of 67.9 mm of precipitation.

    • More

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

Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/12°
Temperatures
Average wind speed
28 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Mandurah Weather September

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

Temperatures trend during September in Mandurah

See the weather trend as well as the moving average line

September weather in Mandurah day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 17° /12° 2.8 mm 5
2 Sept. Sunny
Sunny
 17° /12° 2.5 mm 4
3 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /12° 6.6 mm 4
4 Sept. Light rain shower
Light rain shower
 16° /13° 4.5 mm 4
5 Sept. Light rain shower
Light rain shower
 16° /13° 13.6 mm 4
6 Sept. Light rain shower
Light rain shower
 16° /11° 4.4 mm 4
7 Sept. Sunny
Sunny
 17° /9° 1.8 mm 5
8 Sept. Overcast
Overcast
 17° /10° 0.3 mm 5
9 Sept. Light rain shower
Light rain shower
 17° /11° 0.8 mm 5
10 Sept. Sunny
Sunny
 19° /11° 0.1 mm 5
11 Sept. Sunny
Sunny
 20° /11° 0.1 mm 5
12 Sept. Sunny
Sunny
 18° /15° 4.2 mm 7.1
13 Sept. Patchy rain possible
Patchy rain possible
 17° /14° 0.6 mm 4.1
14 Sept. Sunny
Sunny
 20° /14° 0.2 mm 7.4
15 Sept. Sunny
Sunny
 23° /13° 0 mm 7.4
16 Sept. Sunny
Sunny
 23° /17° 1.7 mm 7
17 Sept. Sunny
Sunny
 20° /17° 0.2 mm 6
18 Sept. Patchy rain possible
Patchy rain possible
 18° /14° 6.7 mm 5
19 Sept. Sunny
Sunny
 16° /10° 3.6 mm 5
20 Sept. Sunny
Sunny
 15° /7° 0 mm 6
21 Sept. Sunny
Sunny
 19° /10° 0 mm 6
22 Sept. Sunny
Sunny
 20° /11° 0 mm 7
23 Sept. Sunny
Sunny
 18° /11° 0 mm 6
24 Sept. Overcast
Overcast
 20° /16° 0 mm 6
25 Sept. Overcast
Overcast
 17° /15° 0.3 mm 6
26 Sept. Sunny
Sunny
 18° /12° 0.1 mm 6
27 Sept. Sunny
Sunny
 20° /12° 3 mm 6
28 Sept. Sunny
Sunny
 18° /13° 1.1 mm 5
29 Sept. Patchy rain possible
Patchy rain possible
 17° /12° 0.2 mm 5
30 Sept. Light rain shower
Light rain shower
 17° /12° 0.4 mm 5
Next
Important Notice
Our weather forecast for Mandurah 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 Mandurah forecast closer to your planned date for the most up-to-date weather information.
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Mandurah in September - FAQ

What are the expected maximum and minimum temperatures in Mandurah during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Mandurah during September?
Moderate rainfall is anticipated in Mandurah during September, with a total of 67.9 mm spread over approximately 15 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Mandurah during September?
The average wind speed in Mandurah during September is 28 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Mandurah

Explore the daily rainfall trends and prepare for Mandurahs September weather 💧
Typically, Mandurah has 15 rainy days in September with a total of 67.9 mm of rainfall.

UV exposure in Mandurah during September

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

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Location coordinates Where is Mandurah?

Get accurate weather forecasts for Mandurah, located at latitude -32.527 and longitude 115.722. Stay updated with localized weather information tailored for Mandurah.

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