What to Wear in Colombo in September
Humid, monsoon easing. Expect 25°–30°C with 12 rainy days on average.
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High
30°C
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Low
25°C
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Rain days
12
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Feel
Very Warm
Typical outfit
~28°C average
About September in Colombo
September in Colombo typically brings humid, monsoon easing. With averages of 25°–30°C, the conditions call for a beautifully warm day — dress for comfort and style with breathable summer pieces.
Bring a light layer for the evening — temperatures can drop 8–10°C after sunset.
September in other cities