Jaffna Weather in September

What's the weather like in Jaffna (Sri Lanka) in September 2024?

The climate in Jaffna during September can be summarized as very hot, humid and reasonably dry.

September is in the fall / autumn in Jaffna and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 25°C (77°F) is normal.

Jaffna weather averages (imperial / metric)
Daytime temperature 32.5°C 90.5°F
Nightly temperature 25.1°C 77.2°F
Average temperature 28.8°C 83.8°F
Daily sunshine 6.8 hrs
Avg rainfall 54 mm 2.1 ins
Rainy days 4 days
Sea temperature 28.8°C 83.8°F
Humidity 73%
Windspeed 11.5kph 7 mph

On average September is the 4th wettest month of the year in Jaffna with around 54mm 2.1 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 6.8 hours of sunshine per day.

September temperatures in Jaffna

Jaffna average temperature in September

September rainfall

Jaffna average rain in September

September hourly sunshine

Jaffna 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 Jaffna in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Jaffna weather stats

Jaffna weather statistics
Hottest month: April 33°C 91.4°F
Driest month: June 17mm 0.7ins
Sunniest month: March 9.3hrs
Coldest month: January 27.5°C 81.5°F
Wettest month: November 327mm 12.9ins
Map showing location of Jaffna (9.66845, 80.00742) Jaffna map pin © Google

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