The climate in Kosai during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Kosai and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 20°C (69°F) is normal.
|Daytime temperature||27.4°C 81.3°F|
|Nightly temperature||20.4°C 68.7°F|
|Average temperature||23.9°C 75°F|
|Daily sunshine||5.4 hrs|
|Avg rainfall||207 mm 8.2 ins|
|Rainy days||18 days|
|Sea temperature||26.6°C 79.8°F|
|Windspeed||10.1kph 6 mph|
On average September is the 3rd wettest month of the year in Kosai with around 207mm 8.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.4 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 Kosai in September 2022.
|Hottest month:||August||30.6°C 87.1°F|
|Driest month:||December||51mm 2ins|
|Coldest month:||January||9.3°C 48.7°F|
|Wettest month:||June||255mm 10ins|