September in Ullal averages a daily high of 30.1°C with nights around 23.1°C. Expect roughly 22.3 wet days totalling 421.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Ullal is November–March.
Based on MANGALORE BAJPE, IN (12.6km), 1995–2024. 16 years of September data.