What to Wear in Bangkok in September
Very wet, not ideal for sightseeing. Expect 25°–32°C with 18 rainy days on average.
☀️
High
32°C
🌙
Low
25°C
🌧️
Rain days
18
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Feel
Rainy Day
Typical outfit
~29°C average
About September in Bangkok
September in Bangkok typically brings very wet, not ideal for sightseeing. With averages of 25°–32°C, the conditions call for rain is in the forecast — waterproof layers are your best friend today.
Dress in waterproof layers rather than one very thick coat. You'll warm up walking and cool down in buildings.
September in other cities