Bandar Seri Begawan in september: average Weather, Temperature and Climate
Weather in Bandar Seri Begawan in september 2025
The weather in Bandar Seri Begawan in september comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather UV index: 7
Weather at 6am
81°F
Moderate rain at times
45% of time
21%
21%
15%
Weather at 12pm
88°F
Moderate rain at times
40% of time
37%
17%
5%
Weather at 6pm
83°F
Moderate rain at times
45% of time
26%
17%
13%
Weather at 3am
79°F
44%
24%
17%
13%
Evolution of daily average temperature and precipitation in Bandar Seri Begawan in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Bandar Seri Begawan in september.
The climate of Bandar Seri Begawan in september is tolerable
The weather in september in Bandar Seri Begawan is wet (with 11.3in of precipitation over 16 days). The weather is worst than the previous month since in august there is an average of 11.3in of precipitation over 16 days.
The climate is very hot around this city in september. The thermometer averaged maximum of 88°F. The minimum is 81°F. Thus, the mean temperature average on this month of september in Bandar Seri Begawan is 85°F. These temperatures are far removed from those records observed in Bandar Seri Begawan in september with a maximum record of 92°F in 2009 and a minimum record of 74°F in 2021. You can hope to have 86°F or more for all the month.
In september in Bandar Seri Begawan, the days on average last 12:09. Sunrise is at 06:11 and sets at 18:20.
With a bad weather, this month is not the best time to go in this city.
Seasonal average climate and temperature of Bandar Seri Begawan in september
Check below seasonal norms These statistics are generated from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 88°F | ||||
| Lowest temperature | 81°F | ||||
| Highest record temperature | 92°F (2009) | ||||
| Lowest record temperature | 74°F (2021) | ||||
| Number of days at +86°F | 26 day(s) (87%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 85°F | ||||
| Lowest sea temperature | 83°F | ||||
| Highest sea temperature | 88°F | ||||
| Wind | |||||
| Wind speed | 14km/h | ||||
| Wind temperature | 81°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 11.3in | ||||
| Number of days with rainfall | 16 day(s) (55%) | ||||
| Record daily rainfall | 2.5in (2020) | ||||
| Other climate data | |||||
| Humidity | 80% | ||||
| Visibility | 9.14km | ||||
| Cloud cover | 38% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:11 | ||||
| Time of sunset | 18:20 | ||||
| Length of day | 12:09 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in Bandar Seri Begawan in september 2024:
77°F to 88°F
76°F to 88°F
79°F to 86°F
79°F to 86°F
77°F to 88°F
77°F to 90°F
79°F to 88°F
79°F to 88°F
79°F to 86°F
77°F to 88°F
77°F to 86°F
76°F to 86°F
76°F to 85°F
76°F to 88°F
76°F to 85°F
77°F to 83°F
77°F to 79°F
77°F to 85°F
77°F to 86°F
79°F to 88°F
79°F to 83°F
79°F to 88°F
79°F to 86°F
77°F to 88°F
77°F to 85°F
77°F to 83°F
77°F to 86°F
77°F to 86°F
79°F to 86°F
77°F to 85°F
Map: other cities in Brunei in september
Cities near Bandar Seri Begawan:
| Bangar in september | tolerable weather |
| Pekan Tutong in september | tolerable weather |
| Sukang in september | tolerable weather |
| Seria in september | tolerable weather |
| Kuala Belait in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Bandar Seri Begawan
perfect weather
good
tolerable
bad
very bad
Weather data for Bandar Seri Begawan in september:
Weather data for Bandar Seri Begawan for september are derived from an average of the weather forecast since 2009 in Bandar Seri Begawan. There is a margin of error and these forecasts are to be considered as general information only. The weather in Bandar Seri Begawan can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Bandar Seri Begawan.