Cottesloe Weather Forecast

Today 1 Sep
- 10
- 18
Mostly sunny
Wed 2 Sep
- 11
- 19
Shower or two
Thu 3 Sep
- 12
- 19
Showers
Fri 4 Sep
- 14
- 19
Showers easing
Sat 5 Sep
- 12
- 19
Showers. Becoming windy
Sun 6 Sep
- 9
- 19
Possible shower
Mon 7 Sep
- 8
- 19
Mostly sunny

Today 1 Sep
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Wed 2 Sep
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Thu 3 Sep
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Fri 4 Sep
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Sat 5 Sep
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Sun 6 Sep
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Mon 7 Sep
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm

Today 1 Sep Perth

Mostly sunny. Winds southwesterly 15 to 20 km/h becoming light in the late afternoon.

Cottesloe Temperature Statistics View More

September Temperature

Swanbourne (4km)

Lowest 11 August, 2026
5.1 °C
Average 2026
18.3 °C
Highest 21 January, 2026
41.2 °C
Lowest 11 August, 2026
5.1 °C
Average August
14.6 °C
Highest 16 August, 2026
24.6 °C
Lowest
–
Average September
–
Highest
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Climate (2021–2026)

Swanbourne (4km)

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Average Low 2021–2026
14.5 °C
Average 2021–2026
18.8 °C
Average High 2021–2026
24.3 °C

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