Bandar Seri Begawan Weather in September

In Bandar Seri Begawan, September brings very high daytime temperatures around 32°C (90°F), with nights cooling to 25°C (77°F). This month falls within the rainy season, so expect frequent rainfall.

Rainfall in Bandar Seri Begawan in September

Bandar Seri Begawan is in the rainy season in September, with rain on around 21 days and an average of 213 mm (8.4 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Bandar Seri Begawan in September

Temperatures in Bandar Seri Begawan in September top out at 32°C (90°F) and drop to 25°C (77°F) overnight. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.

Sunshine in Bandar Seri Begawan in September

Expect sunny days throughout the month, with an estimated 199 hours of sunshine. Despite being the rainy season, it could still be a nice time to visit. Rain often arrives later in the day, keeping most of the days sunny.

Wind Speed in Bandar Seri Begawan in September

Wind speeds average 1 m/s (2 knots) during September. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. February and March typically offer the best weather for Bandar Seri Begawan.