16.09
wed
wed
Day
86°F
NE 16 mph
Precip.
6%
6%
Night
82°F
N 19 mph
Precip.
25%
25%
17.09
thu
thu
Day
84°F
NE 20 mph
Precip.
18%
18%
Night
82°F
NE 24 mph
Precip.
11%
11%
18.09
fri
fri
Day
86°F
NE 16 mph
Precip.
18%
18%
Night
82°F
N 21 mph
Precip.
25%
25%
19.09
sat
sat
Day
84°F
N 9 mph
Precip.
38%
38%
Night
82°F
N 17 mph
Precip.
47%
47%
20.09
sun
sun
Day
81°F
NE 6 mph
Precip.
23%
23%
Night
82°F
NE 16 mph
Precip.
25%
25%
21.09
mon
mon
Day
82°F
NE 15 mph
Precip.
55%
55%
Night
82°F
NE 21 mph
Precip.
42%
42%
22.09
tue
tue
Day
84°F
NE 13 mph
Precip.
17%
17%
Night
84°F
NE 20 mph
Precip.
24%
24%
23.09
wed
wed
Day
86°F
NE 14 mph
Precip.
18%
18%
Night
82°F
NE 21 mph
Precip.
26%
26%
24.09
thu
thu
Day
86°F
NE 14 mph
Precip.
16%
16%
Night
82°F
NE 21 mph
Precip.
35%
35%
25.09
fri
fri
Day
86°F
NE 14 mph
Precip.
17%
17%
Night
82°F
NE 19 mph
Precip.
25%
25%
26.09
sat
sat
Day
86°F
NE 17 mph
Precip.
13%
13%
Night
82°F
NE 23 mph
Precip.
18%
18%
27.09
sun
sun
Day
84°F
NE 17 mph
Precip.
18%
18%
Night
82°F
N 19 mph
Precip.
10%
10%
28.09
mon
mon
Day
86°F
NE 15 mph
Precip.
22%
22%
Night
81°F
NE 16 mph
Precip.
75%
75%
29.09
tue
tue
Day
82°F
NE 11 mph
Precip.
21%
21%
Night
82°F
N 17 mph
Precip.
22%
22%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 84.8°F. The highest and lowest sea temperatures during the month were 85.5°F and 83.8°F.
Air temperature in Jafna, °F
Precipitation total in Jafna, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Jafna
Jafna on a weather map
Places in Sri Lanka:
Name
°F
24 Hours Forecast
Jafna
Local time: 05:00
September 16, wednesday
0600
82°F
NE
15 mph
15 mph
0900
84°F
NE
16 mph
16 mph
1200
86°F
NE
16 mph
16 mph
1500
86°F
N
14 mph
14 mph
1800
82°F
N
15 mph
15 mph
2100
82°F
NE
19 mph
19 mph
September 17, thursday
0000
82°F
N
19 mph
19 mph
0300
82°F
NE
21 mph
21 mph
