St Marys Weather Forecast

Today 11 Sep
- 5
- 18
Sunny
Sat 12 Sep
- 5
- 17
Mostly sunny
Sun 13 Sep
- 7
- 19
Partly cloudy
Mon 14 Sep
- 12
- 19
Partly cloudy
Tue 15 Sep
- 7
- 14
Shower or two
Wed 16 Sep
- 4
- 15
Partly cloudy
Thu 17 Sep
- 4
- 18
Mostly sunny

Today 11 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sat 12 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sun 13 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Mon 14 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Tue 15 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Wed 16 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Thu 17 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm

Today 11 Sep East Coast

Sunny. Light winds. Daytime maximum temperatures between 16 and 21.

St Marys Temperature Statistics View More

September Temperature

St Helens Aerodrome (28km)

Lowest 30 July, 2026
0.9 °C
Average 2026
13.7 °C
Highest 7 January, 2026
33.6 °C
Lowest 23 August, 2026
2.5 °C
Average August
11.1 °C
Highest 30 August, 2026
23.1 °C
Lowest 8 September, 2026
3.5 °C
Average September
11.7 °C
Highest 8 September, 2026
18.1 °C

Climate (2021–2026)

St Helens Aerodrome (28km)

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Average Low 2021–2026
9.4 °C
Average 2021–2026
13.4 °C
Average High 2021–2026
18.3 °C

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