Last updated: August 31, 2025
In September, the average temperature in Horawala Junction, Sri Lanka hovers around 26°C (79°F), making it a warm destination. Daytime highs can reach up to 31°C (88°F), while cooler nights drop to a minimum of 21°C (70°F). However, prepare for a wet month, as precipitation averages 262 mm (10.3 in) spread over 27 days, all while maintaining an average humidity of 81%.
In September in Horawala Junction, the average temperature is 26°C (79°F). Maximums can reach 31°C (88°F) and minimums can be as low as 21°C (70°F). This pleasant climate makes Horawala Junction an ideal destination for travelers looking to enjoy warm weather.
In Horawala Junction in September, the total precipitation amount recorded is 262 mm (10.3 in) over a span of 27 days.
In Horawala Junction in September, humidity is 81%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor adventures stickier and more draining, yet still vibrant with life—perfect for exploring local culture, but you'll want to take frequent breaks and stay hydrated.
In Horawala Junction 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 Horawala Junction, you can check here.
UV Risk Categories
Weather in Horawala Junction varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Horawala Junction, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 26°C (78°F) | 115 mm (4.5 inches) | 80% | extreme |
| February Weather | 26°C (80°F) | 111 mm (4.4 inches) | 72% | extreme |
| March Weather | 27°C (81°F) | 165 mm (6.5 inches) | 69% | extreme |
| April Weather | 27°C (81°F) | 194 mm (7.6 inches) | 69% | extreme |
| May Weather | 27°C (81°F) | 323 mm (12.7 inches) | 79% | extreme |
| June Weather | 27°C (80°F) | 269 mm (10.6 inches) | 85% | extreme |
| July Weather | 26°C (80°F) | 217 mm (8.5 inches) | 81% | extreme |
| August Weather | 26°C (79°F) | 254 mm (10.0 inches) | 85% | extreme |
| September Weather | 26°C (79°F) | 262 mm (10.3 inches) | 81% | extreme |
| October Weather | 26°C (79°F) | 333 mm (13.1 inches) | 89% | extreme |
| November Weather | 26°C (78°F) | 349 mm (13.7 inches) | 88% | extreme |
| December Weather | 26°C (78°F) | 216 mm (8.5 inches) | 86% | extreme |