Cottesloe Weather Forecast

Today 15 Sep
- 13
- 25
Sunny
Wed 16 Sep
- 17
- 29
Mostly sunny
Thu 17 Sep
- 19
- 25
Sunny
Fri 18 Sep
- 15
- 21
Showers increasing
Sat 19 Sep
- 12
- 19
Showers easing. Wind easing
Sun 20 Sep
- 13
- 21
Cloudy
Mon 21 Sep
- 12
- 21
Partly cloudy

Today 15 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 16 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 17 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 18 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 19 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 20 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 21 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 15 Sep Perth

Mostly sunny. Winds easterly 20 to 30 km/h.

Cottesloe Temperature Statistics View More

September Temperature

Swanbourne (4km)

Lowest 11 August, 2026
5.1 °C
Average 2026
18.2 °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 1 September, 2026
9.6 °C
Average September
15.9 °C
Highest 11 September, 2026
26.1 °C

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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