Measurements:
°C
°F
CURRENT WEATHER
21:43
Colombo
84°F
NE 14 mph
Feels like: 92°F
Precip: 69%
World Resorts Sri Lanka Colombo Weather

7 Day Weather Forecast

09.11
fri
DAY
86°F
NE 14 mph
precip
15%
NIGHT
84°F
NE 17 mph
precip
57%
09.12
sat
DAY
86°F
NE 12 mph
precip
32%
NIGHT
86°F
NE 11 mph
precip
50%
09.13
sun
DAY
84°F
NE 13 mph
precip
73%
NIGHT
84°F
NE 16 mph
precip
76%
09.14
mon
DAY
84°F
E 15 mph
precip
50%
NIGHT
82°F
NE 12 mph
precip
85%
09.15
tue
DAY
84°F
E 17 mph
precip
73%
NIGHT
82°F
E 19 mph
precip
74%
09.16
wed
DAY
84°F
NE 11 mph
precip
70%
NIGHT
84°F
NE 13 mph
precip
61%
09.17
thu
DAY
84°F
NE 11 mph
precip
60%
NIGHT
84°F
NE 14 mph
precip
57%

Colombo Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Colombo was 28.7°F. The maximum and minimum values were 28.0°F and 29.1°F respectively.

Colombo on the Weather Map

Best Time to Visit Colombo
The most sunny months:
January 16 days
February 16 days
March 15 days
The most warm months:
April 94.1 °F
March 93.8 °F
February 92.7 °F
Warmest sea temperature:
April 90.4 °F
May 89.3 °F
March 88.7 °F
The most cold months:
August 88.3 °F
July 88.6 °F
September 88.7 °F
The most rainy months:
June 19 days
July 18 days
May 18 days
The most windy months:
June 11 mph
August 11 mph
July 11 mph
more details