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September Weather in Kilinochchi, Sri Lanka

Last updated: August 31, 2025

In September, the average temperature in Kilinochchi, Sri Lanka is a warm 29°C (84°F), with a minimum of 25°C (78°F) and a maximum reaching up to 34°C (93°F). Expect some rain, as the area typically receives 45 mm (1.8 in) of precipitation over 11 days, contributing to an average humidity of around 82%. Stay prepared for both the heat and the occasional downpour!

September Temperature in Kilinochchi

In September in Kilinochchi, the average temperature is 29°C (84°F), with maximums reaching 34°C (93°F) and minimums dropping to 25°C (78°F). This warm climate makes it an ideal destination for travelers seeking pleasant weather and outdoor activities.

September Weather in Kilinochchi: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Kilinochchi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kilinochchi, September typically has an average temperature of 29°C (84°F), with highs reaching up to 34°C (93°F) and lows dropping to around 25°C (78°F).
JanFebMarAprMayJunJulAugSepOctNovDec797982848586858484828079
Data source: Temperature data for Kilinochchi generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Kilinochchi

In Kilinochchi in September, the precipitation amount is 45 mm (1.8 in) over a span of 11 days.

September Precipitation Trends in Kilinochchi

The chart displays monthly precipitation patterns in Kilinochchi, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Kilinochchi, September typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1003124274213323545187357226
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kilinochchi

In Kilinochchi in September humidity is 82%. With an average temperature of 29°C (84°F), this humidity feels like a heavy blanket wrapping around you, making sightseeing ventures feel more exhausting and requiring frequent breaks to stay hydrated.

September Average Humidity in Kilinochchi

This chart illustrates the average monthly humidity levels in Kilinochchi, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Kilinochchi is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%75%76%72%75%83%80%85%82%83%84%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kilinochchi

In Kilinochchi in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Kilinochchi, you can check here.

Maximum UV Index Levels in Kilinochchi for September

The chart shows the monthly maximum UV Index (UVI) for Kilinochchi in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Kilinochchi typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111314151312131314121110
Data source: Kilinochchi September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Kilinochchi Compares to Other Months

Weather in Kilinochchi varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kilinochchi, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Kilinochchi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)100 mm (3.9 inches)79%extreme
February Weather26°C (80°F)31 mm (1.2 inches)75%extreme
March Weather28°C (82°F)24 mm (0.9 inches)76%extreme
April Weather29°C (85°F)27 mm (1.1 inches)72%extreme
May Weather30°C (86°F)42 mm (1.6 inches)75%extreme
June Weather30°C (86°F)13 mm (0.5 inches)82%extreme
July Weather29°C (85°F)32 mm (1.3 inches)80%extreme
August Weather29°C (85°F)35 mm (1.4 inches)85%extreme
September Weather29°C (84°F)45 mm (1.8 inches)82%extreme
October Weather28°C (83°F)187 mm (7.4 inches)83%extreme
November Weather27°C (81°F)357 mm (14.0 inches)84%extreme
December Weather26°C (80°F)225 mm (8.9 inches)83%very high

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