Bangkok · Month comparison
September vs November
November ranks #1 overall vs September at #11. The dry season re-establishes: excellent conditions return and Loy Krathong is unmissable.
September
#11 of 12 months
Worth considering
Peak monsoon — 255mm of rain. Only visit if weather doesn't affect your plans.
- ↑Cheapest month of the year: extraordinary hotel rates, even at luxury properties
- ↑Virtually no international tourists — the city is entirely local
November
#1 of 12 months
Best match
The dry season re-establishes: excellent conditions return and Loy Krathong is unmissable.
- ↑Loy Krathong festival (full moon, usually November): floating lanterns on every canal and river — extraordinary
- ↑Rains dropping sharply: far more reliable outdoor conditions than October
| Factor | September | November |
|---|---|---|
| Weather score | 2 | 9 |
| Value score | 9 | 6 |
| Crowd score | 9 | 6 |
| Events score | 3 | 7 |
| Atmosphere | 5 | 8 |
| Avg high temp | 31°C | 30.2°C |
| Monthly rain | 255mm | 42mm |
| Daily sunshine | 5.2hrs | 7.8hrs |
September trade-offs
- ↓255mm of rain: the most in any month — expect flooding in central areas
- ↓Many outdoor attractions partially or fully closed after heavy rain events
- ↓Transit delays common when streets flood after sustained downpours
November trade-offs
- ↓Tourist season beginning to rebuild: prices rising from October lows
- ↓Loy Krathong week: hotel demand spikes sharply in Bangkok and Chiang Mai
- ↓International flights filling up as peak season approaches
Scores compare months within Bangkok. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →