Bangkok Weather in September

Hot and humid, with frequent heavy rain. Average highs of 31°C and lows of 25°C, with around 26 rainy days expected throughout the month.

While September isn't our top-rated month for Bangkok, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.

Average high

31°C

Average low

25°C

Rainy days

26 days

Best months to visit

January, February, December

What to do in Bangkok in September

Whatever the weather, Bangkok rewards curious visitors. Here are some of the best ways to spend your time:

Visit iconic Bangkok attractions and temples Explore local markets and traditional neighborhoods Experience regional cuisine and dining specialties Trek or hike nearby mountains or natural features Engage with local culture and minority communities Photography opportunities at scenic viewpoints

What to pack for September

Light breathable clothing, high-SPF sunscreen, a wide-brimmed hat, and a reusable water bottle are essential. Pack sandals and at least one light layer for air-conditioned interiors.