September Weather in Ampara, Sri Lanka

Last updated: August 31, 2025

In September, the average temperature in Ampara, Sri Lanka reaches a warm 29°C (84°F). Daytime highs can soar up to 36°C (98°F), while the nights remain comfortably mild, with a minimum of 23°C (74°F). Expect 116 mm (4.6 in) of precipitation spread across 19 days, contributing to an average humidity level of 81%. Perfect for those who enjoy a tropical vibe!

September Temperature in Ampara

In September in Ampara, the average temperature is 29°C (84°F), with maximums reaching up to 36°C (98°F) and minimums dropping as low as 23°C (74°F). This warm weather makes it an ideal time for travelers to enjoy outdoor activities and explore the local attractions in comfort.

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

The chart illustrates September temperature patterns in Ampara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ampara, September typically has an average temperature of 29°C (84°F), with highs reaching up to 36°C (98°F) and lows dropping to around 23°C (74°F).

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

September Precipitation in Ampara

In Ampara in September, precipitation amounts to 116 mm (4.6 in) over the course of 19 days.

September Precipitation Trends in Ampara

The chart displays monthly precipitation patterns in Ampara, 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 Ampara, September typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 19 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Ampara

In Ampara in September, humidity is 81%. With an average temperature of 29°C (84°F), this humidity feels like a heavy blanket wrapping around you, making travel feel stifling and potentially exhausting as you navigate through the day.

September Average Humidity in Ampara

This chart illustrates the average monthly humidity levels in Ampara, 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 Ampara 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 Ampara

In Ampara 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 Ampara, you can check here.

Maximum UV Index Levels in Ampara for September

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

Data source: Ampara 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 Ampara Compares to Other Months

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

This table compares monthly weather conditions in Ampara, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (78°F)	109 mm (4.3 inches)	80%	extreme
February Weather	26°C (79°F)	86 mm (3.4 inches)	72%	extreme
March Weather	27°C (81°F)	79 mm (3.1 inches)	69%	extreme
April Weather	28°C (83°F)	62 mm (2.4 inches)	69%	extreme
May Weather	29°C (85°F)	105 mm (4.2 inches)	79%	extreme
June Weather	30°C (87°F)	48 mm (1.9 inches)	85%	extreme
July Weather	30°C (86°F)	60 mm (2.4 inches)	81%	extreme
August Weather	30°C (85°F)	63 mm (2.5 inches)	85%	extreme
September Weather	29°C (84°F)	116 mm (4.6 inches)	81%	extreme
October Weather	28°C (82°F)	197 mm (7.8 inches)	89%	extreme
November Weather	26°C (80°F)	294 mm (11.6 inches)	88%	extreme
December Weather	26°C (79°F)	226 mm (8.9 inches)	86%	extreme