Dianella Weather Forecast

Today 17 Sep
- 20
- 29
Partly cloudy
Fri 18 Sep
- 15
- 26
Showers increasing
Sat 19 Sep
- 13
- 20
Showers easing
Sun 20 Sep
- 13
- 22
Possible shower
Mon 21 Sep
- 11
- 23
Sunny
Tue 22 Sep
- 12
- 22
Possible shower
Wed 23 Sep
- 12
- 22
Mostly sunny

Today 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
Tue 22 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 23 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 17 Sep Perth

Partly cloudy. Winds west to northwesterly 15 to 25 km/h becoming light in the evening.

Dianella Temperature Statistics View More

September Temperature

Perth Metro (3km)

Lowest 24 May, 2026
2.5 °C
Average 2026
18 °C
Highest 2 February, 2026
41.9 °C
Lowest 11 August, 2026
2.5 °C
Average August
13.8 °C
Highest 30 August, 2026
25.8 °C
Lowest 1 September, 2026
8.3 °C
Average September
16.4 °C
Highest 11 September, 2026
27.4 °C

Climate (2021–2026)

Perth Metro (3km)

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Average Low 2021–2026
13.4 °C
Average 2021–2026
18.9 °C
Average High 2021–2026
25.4 °C

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