21.09
mon
mon
Day

86°F
S 3 mph
Precip.
14%
14%
Night

77°F
N 11 mph
Precip.
68%
68%
22.09
tue
tue
Day

79°F
N 4 mph
Precip.
25%
25%
Night

81°F
NW 1 mph
Precip.
21%
21%
23.09
wed
wed
Day

84°F
SE 2 mph
Precip.
16%
16%
Night

81°F
NW 4 mph
Precip.
46%
46%
24.09
thu
thu
Day

81°F
NW 1 mph
Precip.
11%
11%
Night

82°F
SW 6 mph
Precip.
23%
23%
25.09
fri
fri
Day

84°F
S 5 mph
Precip.
18%
18%
Night

81°F
SE 4 mph
Precip.
34%
34%
26.09
sat
sat
Day

79°F
NW 5 mph
Precip.
24%
24%
Night

81°F
NW 2 mph
Precip.
29%
29%
27.09
sun
sun
Day

88°F
NE 3 mph
Precip.
13%
13%
Night

79°F
NE 5 mph
Precip.
64%
64%
28.09
mon
mon
Day

82°F
NW 5 mph
Precip.
21%
21%
Night

81°F
SW 6 mph
Precip.
35%
35%
29.09
tue
tue
Day

84°F
SW 4 mph
Precip.
49%
49%
Night

82°F
SW 6 mph
Precip.
31%
31%
30.09
wed
wed
Day

84°F
SW 4 mph
Precip.
32%
32%
Night

81°F
SW 3 mph
Precip.
23%
23%
01.10
thu
thu
Day

84°F
NW 2 mph
Precip.
41%
41%
Night

81°F
E 2 mph
Precip.
31%
31%
02.10
fri
fri
Day

84°F
NW 4 mph
Precip.
27%
27%
Night

79°F
N 2 mph
Precip.
23%
23%
03.10
sat
sat
Day

86°F
N 4 mph
Precip.
8%
8%
Night

81°F
NE 2 mph
Precip.
22%
22%
04.10
sun
sun
Day

86°F
NW 5 mph
Precip.
16%
16%
Night

82°F
NE 2 mph
Precip.
22%
22%
sea water
temperature
temperature
| Bandar Seri Begawan |
monthly
weather
weather
| Bandar Seri Begawan |
current
weather
weather
| Bandar Seri Begawan |
7 days
forecast
forecast
| Bandar Seri Begawan |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 87.7°F. The highest and lowest sea temperatures during the month were 88.5°F and 87.1°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 85.2°F. The highest and lowest sea temperatures during the month were 86.0°F and 84.7°F.
Air temperature in Bandar Seri Begawan, °F
Precipitation total in Bandar Seri Begawan, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Bandar Seri Begawan
Bandar Seri Begawan on a weather map
24 Hours Forecast
Bandar Seri Begawan
Local time: 07:07
September 21, monday
0900

84°F
W
4 mph
4 mph
1200

86°F
S
3 mph
3 mph
1500

84°F
SE
6 mph
6 mph
1800

81°F
SE
6 mph
6 mph
2100

79°F
NE
9 mph
9 mph
September 22, tuesday
0000

77°F
N
11 mph
11 mph
0300

77°F
N
12 mph
12 mph
0600

77°F
N
9 mph
9 mph

























