World Resorts Sri Lanka Colombo Weather

Colombo 7 Days Forecast

16.09
wed
Day
81°F
NE 12 mph
Precip.
60%
Night
81°F
NE 14 mph
Precip.
66%
17.09
thu
Day
81°F
NE 16 mph
Precip.
44%
Night
81°F
NE 19 mph
Precip.
64%
18.09
fri
Day
81°F
NE 12 mph
Precip.
22%
Night
82°F
NE 15 mph
Precip.
26%
19.09
sat
Day
82°F
E 15 mph
Precip.
26%
Night
81°F
NE 17 mph
Precip.
60%
20.09
sun
Day
81°F
E 17 mph
Precip.
69%
Night
82°F
NE 19 mph
Precip.
52%
21.09
mon
Day
81°F
NE 17 mph
Precip.
70%
Night
81°F
NE 20 mph
Precip.
81%
22.09
tue
Day
81°F
NE 19 mph
Precip.
71%
Night
82°F
NE 19 mph
Precip.
41%

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 84.5°F. The highest and lowest sea temperatures during the month were 85.3°F and 83.8°F.

Air temperature in Colombo, °F

Precipitation total in Colombo, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Colombo

Sunniest months:
January 16 days
February 16 days
March 15 days
Warmest months:
April 89.7 °F
March 89.4 °F
February 88.4 °F
Warmest sea temp:
April 86.3 °F
May 85.4 °F
March 84.8 °F
Coldest months:
August 84.5 °F
July 84.8 °F
September 84.8 °F
Rainiest months:
June 19 days
July 18 days
May 18 days
Windiest months:
June 11.1 mph
August 10.8 mph
July 10.7 mph

Colombo on a weather map

Colombo
+81°F
NE 9 mph
Feels like: +88°F
Precip.: 64%
Places in Sri Lanka:
Name
°F
+77°F
+77°F
+77°F
+79°F
+79°F
+77°F
+81°F
+75°F
+81°F
+79°F
+75°F
+77°F
+79°F
+81°F
+79°F
24 Hours Forecast
Colombo
Local time: 04:23
September 16, wednesday
0600
81°F
NE
11 mph
0900
82°F
NE
12 mph
1200
81°F
NE
12 mph
1500
81°F
NE
14 mph
1800
82°F
NE
12 mph
2100
82°F
NE
13 mph
September 17, thursday
0000
81°F
NE
14 mph
0300
81°F
N
12 mph
Units of measurement: °C / °F