Brunei Darussalam

Brunei Darussalam Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Brunei Darussalam in September.

Thinking about venturing to Brunei Darussalam this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Brunei Darussalam in September

September in Brunei Darussalam generally has very warm temperatures, with heavy precipitation.

Temperatures

You can expect very warm maximum daytime temperatures of around 32°C (90°F) and nighttime temperatures around 25°C (77°F) in Bandar Seri Begawan. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

For specific regional insights in Brunei Darussalam, refer to the map provided below.

Precipitation

In September, precipitation varies across different areas. From heavy rainfall in Bandar Seri Begawan with an average of 213 mm (8.4 in) to heavy rainfall in Kampong Jerudong with 218 mm (8.6 in).

Average sunshine

Sunshine is generally plentiful throughout many areas. Bandar Seri Begawan enjoys about 199 hours of sunlight, ideal for those seeking sunny weather.

Explore Brunei Darussalam by month

Best Places to Visit in Brunei Darussalam in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Brunei Darussalam.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Brunei Darussalam

What is the weather like in September for some of the most popular destinations in Brunei Darussalam?

Temperature range in Brunei Darussalam (September)

Precipitation variation in Brunei Darussalam (September)

Bandar Seri Begawan

In September Bandar Seri Begawan generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
32°C (90°F)
32°C (90°F)
32°C (90°F)
Min temperature
25°C (77°F)
25°C (77°F)
24°C (75°F)
Monthly sun hours
218 hours
199 hours
206 hours
Monthly rainfall
186 mm (7.3 in)
213 mm (8.4 in)
256 mm (10 in)
Monthly rainy days
16 days
21 days
22 days
Weather conditions

Kuala Belait

In September Kuala Belait generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
31°C (88°F)
31°C (88°F)
30°C (86°F)
Min temperature
26°C (79°F)
26°C (79°F)
25°C (77°F)
Monthly sun hours
205 hours
185 hours
193 hours
Monthly rainfall
196 mm (7.7 in)
215 mm (8.5 in)
283 mm (11 in)
Monthly rainy days
16 days
21 days
23 days
Weather conditions

Kampong Jerudong

In September Kampong Jerudong generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
31°C (88°F)
31°C (88°F)
30°C (86°F)
Min temperature
26°C (79°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
218 hours
199 hours
206 hours
Monthly rainfall
188 mm (7.4 in)
218 mm (8.6 in)
259 mm (10 in)
Monthly rainy days
16 days
21 days
22 days
Weather conditions

Brunei Ap.

In September Brunei Ap. generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
32°C (90°F)
32°C (90°F)
31°C (88°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
218 hours
199 hours
206 hours
Monthly rainfall
187 mm (7.4 in)
215 mm (8.5 in)
258 mm (10 in)
Monthly rainy days
16 days
21 days
22 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Brunei Darussalam.

Popular cities in September

Day & night temperatures, rainfall and average weather in Brunei Darussalam in September.

City Weather Day temp Night temp Rainfall
Bandar Seri Begawan 32°C (90°F) 25°C (77°F) 213 mm (8.4 in)
Kuala Belait 31°C (88°F) 26°C (79°F) 215 mm (8.5 in)
Kampong Jerudong 31°C (88°F) 25°C (77°F) 218 mm (8.6 in)
Brunei Ap. 32°C (90°F) 25°C (77°F) 215 mm (8.5 in)

Brunei Darussalam weather in September: frequently asked questions

What is the weather like in Brunei Darussalam in September?

In September, Brunei Darussalam generally has poor weather conditions. Bandar Seri Begawan sees daytime temperatures near 32°C (90°F), with nights cooling to roughly 25°C (77°F).

What is the average temperature in Brunei Darussalam in September?

Daytime temperatures in Bandar Seri Begawan peak at roughly 32°C (90°F) in September, dropping to about 25°C (77°F) overnight.

Does Brunei Darussalam get a lot of rain in September?

Yes. September brings heavy rainfall to Brunei Darussalam, with Bandar Seri Begawan averaging around 213 mm (8.4 in). Expect frequent showers and pack accordingly.

Is September a Good Time to Visit Brunei Darussalam?

Given the typically poor weather conditions in Bandar Seri Begawan, September may not be the ideal time to visit Brunei Darussalam.

On average, the best time to visit Brunei Darussalam is in February and March with generally unpleasant weather in Bandar Seri Begawan.

Interested in more climate information?

We have much more information about the climate in Brunei Darussalam.

Weather and climate has detailed information for every country in the world. Are you going to Brunei Darussalam? Get detailed 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.