The climate in Trincomalee during September can be summarized as very hot and a little damp.
September is in the fall / autumn in Trincomalee and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a warm 34°C (93°F), whilst at night 25°C (78°F) is normal.
|Daytime temperature||34°C 93.1°F|
|Nightly temperature||25.3°C 77.5°F|
|Average temperature||29.6°C 85.3°F|
|Daily sunshine||7.3 hrs|
|Avg rainfall||96 mm 3.8 ins|
|Rainy days||6 days|
|Sea temperature||28.9°C 84.1°F|
|Windspeed||13.7kph 9 mph|
On average September is the 6th wettest month of the year in Trincomalee with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.3 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 Trincomalee in September 2022.
|Hottest month:||June||34.6°C 94.3°F|
|Driest month:||June||25mm 1ins|
|Coldest month:||January||27.8°C 82°F|
|Wettest month:||December||367mm 14.4ins|