Väder i Sri Lanka i september
Klimatinormaler för hela landet över 15 städer i Sri Lanka.
How Hot Is Sri Lanka in september?
Sri Lanka sees consistently hot September weather — average highs of 29°C, average lows of 25°C, with minimal regional differences. Whether you're in Colombo or one of the coastal cities, conditions feel broadly the same: hot, generally clear, with little night-time relief.
Sunshine in Sri Lanka in september
Dark, overcast days dominate Sri Lanka 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 Lanka In september?
Sri Lanka is in the heart of its rainy season: Colombo measures 228mm of rain across 22 days in September, and the pattern repeats across nearly all regions. Persistent heavy rain, occasional thunderstorms, and saturated air define the entire country's weather.
Is Sri Lanka Humid In september?
Saturated air defines Sri Lanka's September: humidity at 80% in Colombo, with the country as a whole feeling muggy and oppressive. The air practically drips after rain, and even shaded outdoor areas feel warm and clammy. Plan indoor time during the most humid afternoon hours.
Wind In Sri Lanka In september
Breezy conditions cover Sri Lanka's September: Colombo sits at 21 kph on average, with the country as a whole feeling windy through the day. Afternoon winds pick up across most cities, and coastal regions often run significantly higher.
Cloud Cover In Sri Lanka In september
Sri Lanka'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.