World Resorts Sri Lanka Jafna Weather

Jafna weather in September

Weather in Jafna: September

Average day temperature: 86.4°F
Average night temperature: 82.2°F
Sea water temperature: 84.1°F
Number of sunny days: 12 days
Day length: 12.0 - 12.3 hours
Number of rainy days: 4 days
Precipitation totals: 2.2 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 84°F. At the same time the lowest night temperature was 77°F. Daily and nightly averages during September were 83.3°F and 81.2°F.

Sea water temperature in Jafna in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 84.6°F. The highest and lowest sea temperatures during the month were 86.2°F and 83.8°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Jafna in September is 2.2 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 17.3 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: 6.3.

Best time for vacation in Jafna

Sunniest months:
March 24 days
April 21 days
May 18 days
Warmest months:
April 90.0 °F
May 89.2 °F
March 87.8 °F
Warmest sea temp:
April 87.6 °F
May 86.6 °F
June 85.1 °F
Coldest months:
January 82.6 °F
December 83.4 °F
February 84.2 °F
Rainiest months:
November 13 days
October 10 days
December 9 days
Windiest months:
June 20.0 mph
September 17.7 mph
August 17.5 mph

Jafna on a weather map

Jafna
+82°F
SW 13 mph
Feels like: +88°F
Precip.: 0%
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
Jafna
Local time: 13:56
December 05, friday
1500
82°F
SW
13 mph
1800
79°F
SW
11 mph
2100
79°F
SW
12 mph
December 06, saturday
0000
79°F
SW
11 mph
0300
79°F
SW
9 mph
0600
77°F
SW
11 mph
0900
81°F
SW
9 mph
1200
82°F
SW
11 mph
Units of measurement: °C / °F