World Resorts Sri Lanka Colombo Weather

Colombo weather in September

Weather in Colombo: September

Average day temperature: 85.2°F
Average night temperature: 78.5°F
Sea water temperature: 82.5°F
Number of sunny days: 1 day
Day length: 12.1 - 12.2 hours
Number of rainy days: 17 days
Precipitation totals: 13.9 in.

Air temperature in September, °F

Show year:
2023
2022
2021

The highest day temperature during September of 2023 was 84°F. At the same time the lowest night temperature was 76°F. Day and night temperature averages during September were 81.1°F and 78.1°F.

Sea water temperature in Colombo in September, °F

Show year:
2023
2022
2021

The average sea water temperature in September of 2023 was 83.7°F. The highest and lowest sea temperatures during the month were 84.4°F and 82.9°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Colombo in September is 17.4 in. It makes september one of the most rainy months of the year.

Wind speed in September, mph

The average wind speed value in September is 9.3 mph It makes September one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 4.1.

Best time for vacation in Colombo

Sunniest months:
January 17 days
February 16 days
March 15 days
Warmest months:
April 90.5 °F
March 90.1 °F
February 89.1 °F
Warmest sea temp:
April 86.3 °F
May 85.2 °F
March 84.7 °F
Coldest months:
August 85.1 °F
September 85.2 °F
July 85.2 °F
Rainiest months:
June 20 days
July 19 days
May 18 days
Windiest months:
June 10.8 mph
July 10.6 mph
August 10.6 mph

Colombo on a weather map

Colombo
+82°F
NW 4 mph
Feels like: +90°F
Precip.: 100%
Places in Sri Lanka:
Name
°F
+81°F
+81°F
+82°F
+82°F
+81°F
+82°F
+82°F
+81°F
+82°F
+81°F
+81°F
+81°F
+82°F
+82°F
+82°F
24 Hours Forecast
Colombo
Local time: 03:36
April 24, wednesday
0600
82°F
N
6 mph
0900
86°F
N
4 mph
1200
88°F
NE
7 mph
1500
88°F
E
12 mph
1800
84°F
NE
7 mph
2100
84°F
NE
4 mph
April 25, thursday
0000
82°F
N
3 mph
0300
82°F
N
3 mph
Units of measurement: °C / °F