The climate in Tumby Bay during September can be summarized as mild and reasonably dry.
September is in the spring in Tumby Bay and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 19°C (65°F), whilst at night 9°C (48°F) is normal.
|Daytime temperature||18.5°C 65.2°F|
|Nightly temperature||9°C 48.1°F|
|Average temperature||13.7°C 56.7°F|
|Daily sunshine||7.8 hrs|
|Avg rainfall||41 mm 1.6 ins|
|Rainy days||8 days|
|Sea temperature||14.7°C 58.5°F|
|Windspeed||16.9kph 11 mph|
On average September is the 5th wettest month of the year in Tumby Bay with around 41mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.8 hours of sunshine per day.
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 September 2019.
|Hottest month:||February||27°C 80.6°F|
|Driest month:||January||10mm 0.4ins|
|Coldest month:||July||15.7°C 60.3°F|
|Wettest month:||July||59mm 2.3ins|