Upper Swan Weather Forecast

Today 7 Sep
- 8
- 23
Partly cloudy
Tue 8 Sep
- 10
- 21
Partly cloudy
Wed 9 Sep
- 8
- 22
Mostly sunny
Thu 10 Sep
- 11
- 23
Becoming cloudy
Fri 11 Sep
- 12
- 27
Mostly sunny
Sat 12 Sep
- 13
- 22
Showers easing
Sun 13 Sep
- 11
- 21
Shower or two

Today 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
Tue 8 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 9 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 10 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 11 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 12 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 13 Sep
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm

Today 7 Sep Perth

Partly cloudy. Winds southeasterly 20 to 30 km/h.

Upper Swan Temperature Statistics View More

September Temperature

Pearce RAAF Base (11km)

Lowest 16 June, 2026
0.6 °C
Average 2026
18.5 °C
Highest 2 February, 2026
42.2 °C
Lowest 11 August, 2026
1.5 °C
Average August
13.8 °C
Highest 30 August, 2026
24.7 °C
Lowest 2 September, 2026
6.2 °C
Average September
14.4 °C
Highest 4 September, 2026
20 °C

Climate (2021–2026)

Pearce RAAF Base (11km)

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Average Low 2021–2026
13 °C
Average 2021–2026
19.2 °C
Average High 2021–2026
26.7 °C

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