World Resorts Sri Lanka Dehiwala Mount Lavinia Weather

Dehiwala Mount Lavinia weather in September

Weather in Dehiwala Mount Lavinia: September

Average day temperature: 84.9°F
Average night temperature: 79.2°F
Sea water temperature: 82.6°F
Number of sunny days: 1 day
Day length: 12.1 - 12.2 hours
Number of rainy days: 18 days
Precipitation totals: 13.2 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 86°F. At the same time the lowest night temperature was 77°F. Day and night temperature averages during September were 83.1°F and 79.5°F.

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

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 84.1°F. The highest and lowest sea temperatures during the month were 84.9°F and 83.7°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 15.2 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: 4.0.

Best time for vacation in Dehiwala Mount Lavinia

Sunniest months:
January 16 days
February 16 days
March 16 days
Warmest months:
April 90.1 °F
March 89.9 °F
February 88.7 °F
Warmest sea temp:
April 86.2 °F
May 85.2 °F
March 84.7 °F
Coldest months:
September 84.9 °F
August 84.9 °F
July 85.3 °F
Rainiest months:
June 20 days
July 19 days
May 19 days
Windiest months:
June 11.5 mph
July 11.1 mph
August 11.0 mph

Dehiwala Mount Lavinia on a weather map

Dehiwala Mount Lavinia
+79°F
E 4 mph
Feels like: +84°F
Precip.: 0%
Places in Sri Lanka:
Name
°F
+79°F
+79°F
+79°F
+79°F
+79°F
+79°F
+79°F
+77°F
+79°F
+79°F
+77°F
+79°F
+77°F
+77°F
+77°F
24 Hours Forecast
Dehiwala Mount Lavinia
Local time: 19:18
January 30, thursday
2100
79°F
SW
2 mph
January 31, friday
0000
77°F
NW
4 mph
0300
75°F
NW
4 mph
0600
75°F
W
4 mph
0900
81°F
NW
2 mph
1200
82°F
E
6 mph
1500
81°F
SE
7 mph
1800
79°F
SE
4 mph
Units of measurement: °C / °F