The climate in San Julian's during September can be summarized as hot, humid and reasonably dry.
September is in the fall / autumn in San Julian's and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 20°C (69°F) is normal.
|Daytime temperature||27.8°C 82°F|
|Nightly temperature||20.3°C 68.5°F|
|Average temperature||24°C 75.2°F|
|Daily sunshine||9.2 hrs|
|Avg rainfall||36 mm 1.4 ins|
|Rainy days||4 days|
|Sea temperature||25.9°C 78.6°F|
|Windspeed||13kph 8 mph|
On average September is the 6th driest month of the year in San Julian's with around 36mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.2 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 2020.
|Hottest month:||August||30.1°C 86.2°F|
|Driest month:||July||0mm 0ins|
|Coldest month:||January||15°C 59°F|
|Wettest month:||December||99mm 3.9ins|