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Wadduwa weather in September

Weather in Wadduwa: September

Average day temperature: 84.8°F
Average night temperature: 79.1°F
Sea water temperature: 82.8°F
Number of sunny days: 1 day
Day length: 12.1 - 12.2 hours
Number of rainy days: 19 days
Precipitation totals: 13.6 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 85°F. At the same time the lowest night temperature was 77°F. Daily and nightly averages during September were 82.5°F and 78.4°F.

Sea water temperature in Wadduwa in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 84.0°F. The highest and lowest sea temperatures during the month were 85.3°F and 82.8°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 Wadduwa in September is 15.3 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 9.5 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: 3.8.

Best time for vacation in Wadduwa

Sunniest months:
January 16 days
February 16 days
March 14 days
Warmest months:
April 89.8 °F
March 89.5 °F
February 88.4 °F
Warmest sea temp:
April 86.2 °F
May 85.2 °F
March 84.8 °F
Coldest months:
September 84.8 °F
August 84.8 °F
July 85.1 °F
Rainiest months:
June 21 days
July 20 days
May 19 days
Windiest months:
June 11.0 mph
July 10.7 mph
August 10.6 mph

Wadduwa on a weather map

Wadduwa
+82°F
E 10 mph
Feels like: +90°F
Precip.: 100%
Places in Sri Lanka:
Name
°F
+81°F
+82°F
+82°F
+82°F
+81°F
+82°F
+81°F
+82°F
+81°F
+81°F
+82°F
+82°F
+81°F
+79°F
+81°F
24 Hours Forecast
Wadduwa
Local time: 14:39
December 05, friday
1500
82°F
E
10 mph
1800
79°F
SE
7 mph
2100
79°F
S
4 mph
December 06, saturday
0000
77°F
W
4 mph
0300
75°F
W
6 mph
0600
75°F
SW
6 mph
0900
81°F
SW
2 mph
1200
82°F
E
6 mph
Units of measurement: °C / °F