20.09
sun
sun
Day

82°F
E 11 mph
Precip.
73%
73%
Night

79°F
E 11 mph
Precip.
76%
76%
21.09
mon
mon
Day

82°F
E 11 mph
Precip.
62%
62%
Night

79°F
E 11 mph
Precip.
72%
72%
22.09
tue
tue
Day

81°F
NE 13 mph
Precip.
75%
75%
Night

81°F
NE 14 mph
Precip.
82%
82%
23.09
wed
wed
Day

81°F
E 14 mph
Precip.
72%
72%
Night

79°F
NE 13 mph
Precip.
76%
76%
24.09
thu
thu
Day

82°F
NE 16 mph
Precip.
70%
70%
Night

79°F
NE 15 mph
Precip.
78%
78%
25.09
fri
fri
Day

82°F
NE 14 mph
Precip.
64%
64%
Night

81°F
E 12 mph
Precip.
70%
70%
26.09
sat
sat
Day

82°F
E 12 mph
Precip.
67%
67%
Night

79°F
NE 9 mph
Precip.
76%
76%
27.09
sun
sun
Day

84°F
E 11 mph
Precip.
43%
43%
Night

79°F
E 6 mph
Precip.
46%
46%
28.09
mon
mon
Day

84°F
E 9 mph
Precip.
36%
36%
Night

79°F
NE 5 mph
Precip.
57%
57%
29.09
tue
tue
Day

84°F
E 8 mph
Precip.
17%
17%
Night

79°F
NE 5 mph
Precip.
65%
65%
30.09
wed
wed
Day

84°F
E 7 mph
Precip.
50%
50%
Night

79°F
NE 3 mph
Precip.
54%
54%
01.10
thu
thu
Day

82°F
NE 7 mph
Precip.
45%
45%
Night

79°F
NE 4 mph
Precip.
58%
58%
02.10
fri
fri
Day

82°F
E 8 mph
Precip.
34%
34%
Night

79°F
NE 7 mph
Precip.
70%
70%
03.10
sat
sat
Day

82°F
E 9 mph
Precip.
55%
55%
Night

79°F
E 7 mph
Precip.
37%
37%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 85.0°F. The highest and lowest sea temperatures during the month were 85.8°F and 84.2°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 82.4°F. The highest and lowest sea temperatures during the month were 84.7°F and 79.9°F.
Air temperature in Bentota, °F
Precipitation total in Bentota, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Bentota
Bentota on a weather map
Places in Sri Lanka:
Name
°F
24 Hours Forecast
Bentota
Local time: 21:20
September 21, monday
0000

79°F
E
11 mph
11 mph
0300

79°F
E
11 mph
11 mph
0600

79°F
E
9 mph
9 mph
0900

82°F
E
11 mph
11 mph
1200

82°F
E
11 mph
11 mph
1500

82°F
E
11 mph
11 mph
1800

81°F
E
12 mph
12 mph
2100

81°F
E
11 mph
11 mph

























