Sunnyvale Weather Forecast

Today 11 Sep
- 5
- 21
Mostly clear
Sat 12 Sep
- 8
- 23
Mostly sunny
Sun 13 Sep
- 13
- 23
Shower or two then sunny
Mon 14 Sep
- 8
- 19
Partly cloudy
Tue 15 Sep
- 7
- 16
Partly cloudy
Wed 16 Sep
- 6
- 17
Mostly sunny
Thu 17 Sep
- 4
- 20
Sunny

Today 11 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm
Sat 12 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm
Sun 13 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm
Mon 14 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm
Tue 15 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm
Wed 16 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm
Thu 17 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm

Today 11 Sep Yorke Peninsula

Mostly clear. Light winds.

Sunnyvale Temperature Statistics View More

September Temperature

Kadina Airport (24km)

Lowest 17 July, 2026
-1.5 °C
Average 2026
16.5 °C
Highest 26 January, 2026
45.9 °C
Lowest 1 August, 2026
-0.8 °C
Average August
11.6 °C
Highest 28 August, 2026
21.3 °C
Lowest 10 September, 2026
2.1 °C
Average September
12.1 °C
Highest 1 September, 2026
22.2 °C

Climate (2021–2026)

Kadina Airport (24km)

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Average Low 2021–2026
10.2 °C
Average 2021–2026
16.4 °C
Average High 2021–2026
23.5 °C

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