World Resorts Sri Lanka Dehiwala Mount Lavinia Weather

Dehiwala Mount Lavinia weather in September

Weather in Dehiwala Mount Lavinia: September

Average day temperature: 85.0°F
Average night temperature: 79.2°F
Sea water temperature: 82.5°F
Number of sunny days: 1 day
Day length: 12.1 - 12.2 hours
Number of rainy days: 18 days
Precipitation totals: 13.8 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 75°F. Day and night temperature averages during September were 81.0°F and 77.7°F.

Sea water temperature in Dehiwala Mount Lavinia in September, °F

Show year:
2023
2022
2021

The average sea water temperature in September of 2023 was 83.6°F. The highest and lowest sea temperatures during the month were 84.4°F and 83.1°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 Dehiwala Mount Lavinia in September is 16.9 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 9.9 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: 4.2.

Best time for vacation in Dehiwala Mount Lavinia

Sunniest months:
January 17 days
February 16 days
March 16 days
Warmest months:
April 90.3 °F
March 89.9 °F
February 88.7 °F
Warmest sea temp:
April 86.1 °F
May 85.1 °F
March 84.7 °F
Coldest months:
September 85.0 °F
August 85.0 °F
July 85.5 °F
Rainiest months:
July 20 days
June 20 days
May 19 days
Windiest months:
June 11.5 mph
July 11.2 mph
August 11.1 mph

Dehiwala Mount Lavinia on a weather map

Dehiwala Mount Lavinia
+86°F
NE 6 mph
Feels like: +95°F
Precip.: 77%
Places in Sri Lanka:
Name
°F
+86°F
+86°F
+86°F
+86°F
+86°F
+86°F
+86°F
+88°F
+86°F
+84°F
+88°F
+88°F
+86°F
+90°F
+86°F
24 Hours Forecast
Dehiwala Mount Lavinia
Local time: 07:36
April 20, saturday
0900
86°F
NE
6 mph
1200
88°F
E
9 mph
1500
86°F
E
9 mph
1800
84°F
E
8 mph
2100
84°F
NE
6 mph
April 21, sunday
0000
82°F
NE
5 mph
0300
82°F
NE
5 mph
0600
82°F
NE
3 mph
Units of measurement: °C / °F