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September Weather in Wattegama, Sri Lanka

Last updated: August 31, 2025

In September, the average temperature in Wattegama, Sri Lanka is a warm 28°C (83°F), with minimums dipping to a cozy 22°C (72°F) and soaring up to a sizzling 37°C (99°F). Prepare for a touch of rain, as 76 mm (3.0 in) of precipitation is expected over 15 days. With an average humidity of 81%, don't forget to stay hydrated!

September Temperature in Wattegama

In September in Wattegama, the average temperature is 28°C (83°F). Maximums can reach up to 37°C (99°F), and minimums can drop as low as 22°C (72°F). This warm climate makes Wattegama an ideal destination for travelers looking to enjoy sunny days and vibrant outdoor activities.

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

The chart illustrates September temperature patterns in Wattegama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wattegama, September typically has an average temperature of 28°C (83°F), with highs reaching up to 37°C (99°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec777880818385858483817977
Data source: Temperature data for Wattegama 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 Wattegama

In Wattegama in September, the precipitation amount is 76 mm (3.0 in), recorded over a span of 15 days.

September Precipitation Trends in Wattegama

The chart displays monthly precipitation patterns in Wattegama, 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 Wattegama, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec72959310310640405376199288196
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Wattegama

In Wattegama in September, humidity is 81%. With an average temperature of 28°C (83°F), this humidity feels like walking through a warm, damp blanket, making travel feel both stifling and exhausting.

September Average Humidity in Wattegama

This chart illustrates the average monthly humidity levels in Wattegama, 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 Wattegama is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%72%69%69%79%85%81%85%81%89%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Wattegama

In Wattegama 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 Wattegama, you can check here.

Maximum UV Index Levels in Wattegama for September

The chart shows the monthly maximum UV Index (UVI) for Wattegama 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 Wattegama typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315151413131414131111
Data source: Wattegama 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 Wattegama Compares to Other Months

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

This table compares monthly weather conditions in Wattegama, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)72 mm (2.8 inches)80%extreme
February Weather26°C (78°F)95 mm (3.7 inches)72%extreme
March Weather27°C (80°F)93 mm (3.7 inches)69%extreme
April Weather27°C (82°F)103 mm (4.0 inches)69%extreme
May Weather28°C (83°F)106 mm (4.2 inches)79%extreme
June Weather29°C (85°F)40 mm (1.6 inches)85%extreme
July Weather29°C (85°F)40 mm (1.6 inches)81%extreme
August Weather29°C (84°F)53 mm (2.1 inches)85%extreme
September Weather28°C (83°F)76 mm (3.0 inches)81%extreme
October Weather27°C (81°F)198 mm (7.8 inches)89%extreme
November Weather26°C (79°F)288 mm (11.3 inches)88%extreme
December Weather25°C (78°F)196 mm (7.7 inches)86%extreme

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