Weather in Sri Langka in September
Country-wide climate normals across 15 cities in Sri Langka.
How Hot Is Sri Langka in September?
Sri Langka bakes evenly in September — highs around 29°C are typical from Kandy all the way to Batticaloa, with very little regional variation. Lows sit around 25°C even overnight, and the country's small geographic footprint means there are no significant climate pockets. Expect uniform heat day and night.
Sunshine in Sri Langka in September
Dark, overcast days dominate Sri Langka in September — Colombo sees just 1.3h of sun a day, and the pattern is similar across most regions. Cloud cover is heavy and persistent, with even the brighter regions struggling to escape the gloom for long.
Does It Rain In Sri Langka In September?
Monsoon-like conditions dominate Sri Langka's September: Colombo sees 228mm of rain across 22 days, similar nationwide. Heavy showers fall almost daily, often in dramatic afternoon downpours. Sunshine is brief between storms, and humidity stays high throughout the month.
Is Sri Langka Humid In September?
Heavy oppressive humidity covers Sri Langka in September: 80% on average in Colombo, and similar saturating conditions exist nationwide. The air feels thick and heavy from sunrise to sundown, with little overnight respite. Coastal and tropical regions feel especially stifling.
Wind In Sri Langka In September
Persistent breeze shapes Sri Langka's September: 21 kph in Colombo, with consistent wind across the country. The conditions are ideal for sailing and other wind sports, but can be disruptive for fine outdoor work.
Cloud Cover In Sri Langka In September
Sri Langka's September is dominated by overcast skies: Colombo averages 76% cloud cover, with similar grey persistence across the country. Days feel dim and soft-lit, with little break in the cloud deck.