Bandar Seri Begawan Weather: September
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Average Day Temperature: | 92.9°F |
|
Average Night Temperature: | 81.4°F |
|
Sea Water Temperature: | 89.8°F |
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Number of Sunny Days: | 9 days |
| Sunshine Hours: | 12.1 - 12.2 hours | |
|
Number of Rainy Days: | 9 days |
| Precipitation Totals: | 5.2 in | |
| detailed information | ||
forecast
| Bandar Seri Begawan |
Temperature
| Bandar Seri Begawan |
Air Temperature in September, °F
The highest day temperature in September 2025 was 94°F. The lowest night temperature was 76°F. The average values for day and night temperatures during September were 89.5°F и 78.8°F respectivly.
Bandar Seri Begawan Water Sea Temperature in September, °F
The average sea surface temperature in September 2025 for Bandar Seri Begawan was 89.2°F. The maximum and minimum values were 88.8°F and 90.2°F respectively.
Most of the days in September are cloudy but you can also expect sunny or gloomy days.
Precipitation Totals in September, in
Precipitation total in September for Bandar Seri Begawan is 5.2 in. It makes september one of the least rainy months of the year.
The average wind speed in September is 5.9 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Bandar Seri Begawan in September is 6.9 hours.
Bandar Seri Begawan on the Weather Map
| 1800 |  |
82°F | S 2 mph |
| 2100 | |
80°F | NW 1 mph |
| 0000 | |
78°F | N 3 mph |
| 0300 | |
78°F | NE 6 mph |
| 0600 |  |
76°F | NE 5 mph |
| 0900 |  |
78°F | NE 4 mph |
| 1200 | |
84°F | E 4 mph |
| 1500 | |
82°F | SE 4 mph |