Sri Jayewardenepura Kotte Weather in September

Sri Jayewardenepura Kotte in September sees very high daytime temperatures of 30°C (86°F) and nighttime lows of 25°C (77°F). As part of the rainy season, showers are frequent and often heavy. Budget around 265 mm (10 in) of rainfall for the month.

Rainfall in Sri Jayewardenepura Kotte in September

Sri Jayewardenepura Kotte is in the rainy season in September, with rain on around 14 days and an average of 265 mm (10 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.

Temperature in Sri Jayewardenepura Kotte in September

September in Sri Jayewardenepura Kotte brings very high temperatures, with highs of 30°C (86°F) and nights around 25°C (77°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.

Sunshine in Sri Jayewardenepura Kotte in September

The area enjoys a moderate level of sunlight, with around 189 hours. It's a good balance between sunny and rainy days.

Wind Speed in Sri Jayewardenepura Kotte in September

September sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

Average water temperature in September

At 28°C (82°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Sri Jayewardenepura Kotte. Our weather planner can help you explore destinations with more pleasant weather conditions.