September Weather in Kurunegala, Sri Lanka

Last updated: August 31, 2025

In September, the average temperature in Kurunegala, Sri Lanka is a warm 26°C (80°F), with a minimum of 21°C (71°F) and a peak at 33°C (91°F). Expect 194 mm (7.6 in) of rainfall spread over 25 days, contributing to an average humidity of 81%. Whether you’re exploring or relaxing, be prepared for a tropical experience!

September Temperature in Kurunegala

In September in Kurunegala, the average temperature is 26°C (80°F), with maximums reaching 33°C (91°F) and minimums dipping to 21°C (71°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities in Kurunegala.

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

The chart illustrates September temperature patterns in Kurunegala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kurunegala, September typically has an average temperature of 26°C (80°F), with highs reaching up to 33°C (91°F) and lows dropping to around 21°C (71°F).

Data source: Temperature data for Kurunegala generated using information from the Copernicus Climate Change Service.

September Precipitation in Kurunegala

In Kurunegala in September, the precipitation amount is 194 mm (7.6 in) over the course of 25 days.

September Precipitation Trends in Kurunegala

The chart displays monthly precipitation patterns in Kurunegala, 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 Kurunegala, September typically receives around 194 mm (7.6 inches) of precipitation spread over approximately 25 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Kurunegala

In Kurunegala in September, humidity is 81%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket that clings to the skin, making outdoor activities feel more strenuous and requiring frequent breaks to stay refreshed and hydrated.

September Average Humidity in Kurunegala

This chart illustrates the average monthly humidity levels in Kurunegala, 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 Kurunegala is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kurunegala

In Kurunegala 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 Kurunegala, you can check here.

Maximum UV Index Levels in Kurunegala for September

The chart shows the monthly maximum UV Index (UVI) for Kurunegala 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 Kurunegala typically reaches 14, which falls under the extreme exposure category.

Data source: Kurunegala 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 Kurunegala Compares to Other Months

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

This table compares monthly weather conditions in Kurunegala, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	56 mm (2.2 inches)	80%	extreme
February Weather	27°C (81°F)	30 mm (1.2 inches)	72%	extreme
March Weather	28°C (83°F)	62 mm (2.4 inches)	69%	extreme
April Weather	28°C (83°F)	135 mm (5.3 inches)	69%	extreme
May Weather	27°C (82°F)	214 mm (8.4 inches)	79%	extreme
June Weather	27°C (81°F)	162 mm (6.4 inches)	85%	extreme
July Weather	27°C (81°F)	131 mm (5.2 inches)	81%	extreme
August Weather	27°C (80°F)	168 mm (6.6 inches)	85%	extreme
September Weather	26°C (80°F)	194 mm (7.6 inches)	81%	extreme
October Weather	26°C (79°F)	332 mm (13.1 inches)	89%	extreme
November Weather	26°C (79°F)	344 mm (13.5 inches)	88%	extreme
December Weather	26°C (79°F)	125 mm (4.9 inches)	86%	extreme