World Resorts Sri Lanka Unawatuna Weather

Unawatuna weather in September

Weather in Unawatuna: September

Average day temperature: 84.1°F
Average night temperature: 79.0°F
Sea water temperature: 82.4°F
Number of sunny days: 2 days
Day length: 12.1 - 12.2 hours
Number of rainy days: 18 days
Precipitation totals: 12.6 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 85°F. At the same time the lowest night temperature was 78°F. Day and night temperature averages during September were 82.7°F and 80.1°F.

Sea water temperature in Unawatuna in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 83.9°F. The highest and lowest sea temperatures during the month were 84.4°F and 83.5°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 Unawatuna in September is 14.1 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 10.6 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: 3.9.

Best time for vacation in Unawatuna

Sunniest months:
January 14 days
March 14 days
February 12 days
Warmest months:
March 88.5 °F
April 88.4 °F
February 87.2 °F
Warmest sea temp:
April 85.8 °F
May 84.6 °F
March 84.4 °F
Coldest months:
September 84.1 °F
August 84.2 °F
July 84.6 °F
Rainiest months:
June 19 days
September 18 days
August 17 days
Windiest months:
July 12.5 mph
June 12.5 mph
August 12.0 mph

Unawatuna on a weather map

Unawatuna
+77°F
NW 4 mph
Feels like: +82°F
Precip.: 0%
Places in Sri Lanka:
Name
°F
+77°F
+77°F
+77°F
+79°F
+77°F
+77°F
+77°F
+77°F
+77°F
+77°F
+77°F
+79°F
+77°F
+77°F
+77°F
24 Hours Forecast
Unawatuna
Local time: 22:38
December 31, tuesday
0000
77°F
NW
4 mph
0300
77°F
W
4 mph
0600
77°F
W
4 mph
0900
81°F
S
2 mph
1200
81°F
E
4 mph
1500
79°F
E
3 mph
1800
79°F
E
3 mph
2100
79°F
W
1 mph

Best place for vacation:

Units of measurement: °C / °F