Is Bangkok hot in September?
Days are typically hot at 33.1°C, while nights average 25.3°C.
Thailand · 1991–2020 normal
Bangkok in
September.
Typical September weather in Bangkok: 33.1°C by day, 25.3°C at night, 379 mm of rain over 21.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high33.1°C
Typical low25.3°C
Rain379 mm
Wet days21.2
In the year-round weather comparison, September scores 5 out of 100 (December leads the year at 58). Daylight is calculated as 12 h 11 from latitude 13.75°.
September at a glance
What is Bangkok like in September?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 379 mm across about 21 wet days.
How much daylight is there?
There are about 12 h 11 between sunrise and sunset at mid-month, calculated from the place latitude.
Is September a good time to visit?
September ranks 11 of 12 in our weather comparison; December ranks first.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 1609350
- NOAA station
- TH000048455 · BANGKOK METROPOLIS
- Station distance
- 7.5 km from the place centre
- Coverage
- Strong coverage · 28 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Bangkok is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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