Bangkok in September
Bangkok in September
Bangkok, Thailand
Visiting Bangkok in September means experiencing the wet season. As a tropical destination, expect warm temperatures year-round with higher rainfall and humidity.
Weather in Bangkok in September
Average highs around 30.8C and lows near 25C. 338.5mm average precipitation and about 28 rainy days. September typically sits between August and October conditions, so it is useful for travelers wanting a balanced window in Bangkok. Pack quick-dry clothing and a light waterproof layer for September.
Temperature
September brings wet season conditions in Bangkok, Thailand. The average temperature is about 27.9C, with lows near 25C and highs around 30.8C.
Sunshine Hours
Bangkok, Thailand usually gets around 7.6 hours of sunshine per day in September, with roughly 12.2 daylight hours available for sightseeing.
Rain
September sees around 338.5mm of rainfall over about 28 days. Rain can occur for around 11.6 hours per day on average.
Humidity
Humidity in September is generally humid for Bangkok, Thailand, especially when rainfall periods increase.
Additional Information
Average winds are around 13.6 km/h, so pack layers that handle changing conditions. Pack quick-dry clothing and a light waterproof layer for September.
Our September Hotel Picks for Bangkok
Kimpton Maa-Lai Bangkok
Sleek high-rise hotel offering dining & a 40th-floor bar, plus a spa, a gym & an infinity pool.
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Mandarin Oriental, Bangkok
Lavish, landmark lodging offering 9 refined restaurants, 2 outdoor pools & a luxe spa.
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The Siam Hotel
Luxury hotel with chic suites & villas, as well as 3 restaurants, an infinity pool & a spa.
View hotelWhat to Do in Bangkok in September
Grand Palace
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Explore activity
The Erawan Museum
Museum known for its massive 3-headed elephant sculpture, plus cultural & religious artifacts.
Explore activity
The Grand Palace
Built in 1782, this ornate royal palace complex now houses a museum & is open to visitors.
Explore activityTravel tips for Bangkok in September
Pack quick-dry clothing and a light waterproof layer for September. Book accommodation earlier when events overlap with peak weekends, and keep an eye on changing weather windows for day trips.
