World Resorts Sri Lanka Marissa Weather

Marissa weather in September

Weather in Marissa: September

Average day temperature: 85.1°F
Average night temperature: 78.1°F
Sea water temperature: 82.5°F
Number of sunny days: 4 days
Day length: 12.1 - 12.2 hours
Number of rainy days: 10 days
Precipitation totals: 5.7 in.

Air temperature in September, °F

Show year:
2026
2025
2024

The highest day temperature during September of 2026 was 86°F. At the same time the lowest night temperature was 75°F. Daily and nightly averages during September were 84.3°F and 76.6°F.

Sea water temperature in Marissa in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 83.7°F. The highest and lowest sea temperatures during the month were 84.6°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 Marissa in September is 6.0 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 10.7 mph

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: 4.6.

Best time for vacation in Marissa

Sunniest months:
March 15 days
February 13 days
January 12 days
Warmest months:
April 88.9 °F
March 88.2 °F
February 87.4 °F
Warmest sea temp:
April 85.7 °F
May 84.4 °F
March 84.3 °F
Coldest months:
September 85.1 °F
August 85.2 °F
June 85.7 °F
Rainiest months:
September 10 days
November 10 days
May 10 days
Windiest months:
July 12.6 mph
June 12.4 mph
August 12.1 mph

Marissa on a weather map

Marissa
+88°F
W 1 mph
Feels like: +95°F
Precip.: 4%
Places in Sri Lanka:
Name
°F
+86°F
+86°F
+84°F
+86°F
+84°F
+82°F
+82°F
+88°F
+82°F
+84°F
+88°F
+82°F
+84°F
+81°F
+84°F
24 Hours Forecast
Marissa
Local time: 09:25
October 06, tuesday
1200
90°F
N
9 mph
1500
86°F
NE
6 mph
1800
79°F
NE
2 mph
2100
79°F
W
2 mph
October 07, wednesday
0000
77°F
SW
4 mph
0300
75°F
SW
4 mph
0600
75°F
SW
4 mph
0900
86°F
W
6 mph
Units of measurement: °C / °F