September in Kandy averages a daily high of 19.6°C with nights around 12.9°C. Expect roughly 19.3 wet days totalling 147mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Kandy is January–March.
Based on NUWARA ELIYA, CE (38.9km), 1995–2024. 20 years of September data.