Trincomalee Weather in September

What's the weather like in Trincomalee (Eastern Province) in September 2022?

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.

Trincomalee weather averages (imperial / metric)
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
Humidity 68%
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.

September temperatures in Trincomalee

Trincomalee average temperature in September

September rainfall

Trincomalee average rain in September

September hourly sunshine

Trincomalee average rain in September

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.

Other monthly averages

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UV index Best time to go?

Trincomalee weather stats

Trincomalee weather statistics
Hottest month: June 34.6°C 94.3°F
Driest month: June 25mm 1ins
Sunniest month: March 9.2hrs
Coldest month: January 27.8°C 82°F
Wettest month: December 367mm 14.4ins
Map showing location of Trincomalee (8.5711, 81.2335)

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