Colombo Weather in September
In September, Colombo averages a high of 23°C (74°F) and a low of 17°C (62°F), based on 51 years of historical weather data from COLOMBO.
23°C
Average high
74°F
17°C
Average low
62°F
37°C
Record high
98°F · 2018
7°C
Record low
45°F · 1972
What to Expect in Colombo in September
Typical September days in Colombo reach 23°C (74°F) during the afternoon and cool to around 17°C (62°F) overnight. On average, measurable rain falls on about 58% of days this month. Over the past 51 years, September temperatures in Colombo have ranged from a record high of 37°C (2018) down to a record low of 7°C (1972).
For a day-by-day look or other months, see the full Colombo weather history.