Bandar Seri Begawan weather in September (Brunei-Muara, Brunei Darussalam)
What does the weather outlook for Bandar Seri Begawan look like in September? Want to know if this month is ideal for visiting? Our guide provides detailed weather information.
Temperatures
During September, Bandar Seri Begawan usually has very high temperatures and heavy rainfall. During the daylight hours, temperatures often reach 32°C. After dark they usually decrease to around 25°C. Keep in mind that temperatures can exceed these averages. Dress for the heat and stay hydrated, especially during peak sun hours.
Precipitation
Bandar Seri Begawan in September falls under the rainy season with heavy rainfall, averaging around 213 mm for the month. Expect around 21 days of rain based on historical data.Average sunshine
There are approximately 199 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Bandar Seri Begawan. February, March, April and May generally stand out with the best circumstances. While June, September, October, November and December tend to showcase less optimal conditions.
Need inspiration to choose your next destination? Our innovative weather planner helps you discover the perfect getaway tailored to your ideal climate conditions.
Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brunei Darussalam, check out our Bandar Seri Begawan's climate page.
Bandar Seri Begawan, monthly averages in September
Where to go in Brunei Darussalam in September
Find out more about the weather in Brunei Darussalam and which places have the best travel conditions in this month.





Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brunei Darussalam, check out our Bandar Seri Begawan's climate page.
So, what should you wear in this month?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Bandar Seri Begawan.
Our site offers climate and forecast data for every country in the world. Are you going to Brunei Darussalam? On this website you can find historical weather averages for many cities in Brunei Darussalam. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.