Helensburgh Weather in September
What's the weather like in Helensburgh (New South Wales) in September 2024?
The climate in Helensburgh during September can be summarized as mild and reasonably dry.
September is in the spring in Helensburgh and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 19°C (67°F), whilst at night 8°C (46°F) is normal.
| Daytime temperature | 19.4°C 66.9°F |
|---|---|
| Nightly temperature | 7.8°C 46°F |
| Average temperature | 13.6°C 56.5°F |
| Daily sunshine | 7.6 hrs |
| Avg rainfall | 61 mm 2.4 ins |
| Rainy days | 11 days |
| Sea temperature | 18.1°C 64.6°F |
| Humidity | 55% |
| Windspeed | 15.5kph 10 mph |
On average September is the driest month of the year in Helensburgh with around 61mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.6 hours of sunshine per day.
September temperatures in Helensburgh
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Helensburgh in September 2024.
Other monthly averages
Best places to visit in September
Helensburgh weather stats
| Hottest month: | February | 25.5°C 77.9°F |
|---|---|---|
| Driest month: | September | 61mm 2.4ins |
| Sunniest month: | August | 7.6hrs |
| Coldest month: | July | 15.5°C 59.9°F |
| Wettest month: | March | 178mm 7ins |
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