Weather in Bangkok in September
It's a rainy period, but great for indoor activities, museums, and lower prices.
Climate Overview
September is a wet time to visit Bangkok. Bangkok has a Tropical climate with average yearly highs of 31°C, lows of 26°C, and approximately 27 rainy days per month.
31°C
26°C
27days
12.2h
Is September a good time to visit Bangkok?
It's a rainy period, but great for indoor activities, museums, and lower prices.
Daylight
6:08 AM
6:21 PM
Weather by Month
| Month | High | Low | Rainy days | Condition |
|---|---|---|---|---|
| January | 33°C | 25°C | 2 | Excellent (best) |
| February | 33°C | 24°C | 2 | Excellent (best) |
| March | 34°C | 27°C | 4 | Good |
| April | 34°C | 27°C | 9 | Good |
| May | 35°C | 28°C | 15 | Wet |
| June | 33°C | 26°C | 26 | Wet |
| July | 32°C | 26°C | 24 | Wet |
| August | 32°C | 26°C | 24 | Wet |
| September | 31°C | 26°C | 27 | Wet |
| October | 29°C | 24°C | 22 | Wet |
| November | 31°C | 23°C | 8 | Excellent (best) |
| December | 31°C | 22°C | 5 | Excellent (best) |
Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025
What to Pack for September
Humidity-wicking clothes, insect repellent, waterproof bag, and rain poncho.
Planning a trip to Bangkok?
Common Questions
Is September a good time to visit Bangkok? +
September is typically Wet for visiting Bangkok, with average highs of 31°C and around 27 rainy days.
What should I pack for Bangkok in September? +
With highs of 31°C and lows of 26°C in {month}, we recommend: Humidity-wicking clothes, insect repellent, waterproof bag, and rain poncho.
Does it rain a lot in Bangkok in September? +
Bangkok typically sees around 27 rainy days in September.
How many hours of daylight are there in Bangkok in September? +
In September, Bangkok gets approximately 12.2 hours of daylight per day.
Is September peak season in Bangkok? +
No, September is not peak season in Bangkok. Expect better value on accommodation and fewer tourists.
What is the best month to visit Bangkok? +
The best months to visit Bangkok are November, December, January, February, when the weather is optimal for sightseeing.
More Bangkok Guides
Best Time to Visit
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Things to Do
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Itineraries
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Overview
Complete travel guide for Bangkok: top things to do, itineraries, and typical costs.