09.11
fri
fri
DAY
88°F
E 12 mph
precip
16%
16%
NIGHT
84°F
E 15 mph
precip
41%
41%
09.12
sat
sat
DAY
86°F
E 13 mph
precip
41%
41%
NIGHT
82°F
E 9 mph
precip
55%
55%
09.13
sun
sun
DAY
86°F
E 14 mph
precip
64%
64%
NIGHT
82°F
E 15 mph
precip
38%
38%
09.14
mon
mon
DAY
86°F
E 14 mph
precip
59%
59%
NIGHT
82°F
SE 13 mph
precip
76%
76%
09.15
tue
tue
DAY
82°F
SE 14 mph
precip
51%
51%
NIGHT
82°F
E 17 mph
precip
41%
41%
09.16
wed
wed
DAY
82°F
E 14 mph
precip
68%
68%
NIGHT
82°F
E 9 mph
precip
68%
68%
09.17
thu
thu
DAY
84°F
E 13 mph
precip
20%
20%
NIGHT
82°F
NE 15 mph
precip
70%
70%
09.18
fri
fri
DAY
84°F
E 14 mph
precip
68%
68%
NIGHT
84°F
E 16 mph
precip
60%
60%
09.19
sat
sat
DAY
84°F
E 13 mph
precip
75%
75%
NIGHT
82°F
E 14 mph
precip
77%
77%
09.20
sun
sun
DAY
84°F
E 16 mph
precip
72%
72%
NIGHT
82°F
E 18 mph
precip
72%
72%
09.21
mon
mon
DAY
84°F
E 21 mph
precip
43%
43%
NIGHT
84°F
E 17 mph
precip
71%
71%
09.22
tue
tue
DAY
86°F
E 15 mph
precip
59%
59%
NIGHT
84°F
E 17 mph
precip
68%
68%
09.23
wed
wed
DAY
86°F
E 16 mph
precip
62%
62%
NIGHT
84°F
E 17 mph
precip
67%
67%
09.24
thu
thu
DAY
86°F
E 17 mph
precip
73%
73%
NIGHT
84°F
E 17 mph
precip
67%
67%
Sea water
temperature
temperature
| Unawatuna |
Weather in
September
September
| Unawatuna |
7 day weather
forecast
forecast
| Unawatuna |
10 day weather
forecast
forecast
| Unawatuna |
14 day weather
forecast
forecast
| Unawatuna |
Monthly weather
averages
averages
| Unawatuna |
Current Weather
Conditions
Conditions
| Unawatuna |
When is the Best
Time to Visit?
Time to Visit?
| Unawatuna |
Unawatuna Sea Water Temperature in September, °F
The average sea surface temperature in September 2025 for Unawatuna was 87.1°F. The maximum and minimum values were 85.4°F and 88.4°F respectively.
Unawatuna on the Weather Map
Sri Lanka Resorts:
NAME
F°
| Ahungalla |  |
+82 |
| Bentota | |
+82 |
| Colombo | |
+84 |
| Dikwella |  |
+80 |
| Halle | |
+84 |
| Hambantota |  |
+86 |
| Hikkaduwa | |
+84 |
| Kalutara | |
+82 |
| Marissa | |
+80 |
| Negombo | |
+84 |
| Pasikuda | |
+90 |
| Tangalle | |
+80 |
| Trincomalee | |
+88 |
| Unawatuna | |
+84 |
| Weligama | |
+84 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Unawatuna
Local time: 21:46
12 sep, saturday
| 0000 | |
84°F | E 15 mph |
| 0300 | |
84°F | E 14 mph |
| 0600 | |
82°F | E 11 mph |
| 0900 | |
84°F | E 14 mph |
| 1200 | |
86°F | E 13 mph |
| 1500 | |
86°F | E 12 mph |
| 1800 | |
82°F | E 10 mph |
| 2100 | |
84°F | E 11 mph |