Is Ban I Let hot in September?
Days are typically hot at 31.7°C, while nights average 24.1°C.
Thailand · 1991–2020 normal
Ban I Let in
September.
Typical September weather in Ban I Let: 31.7°C by day, 24.1°C at night, 208 mm of rain over 19.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high31.7°C
Typical low24.1°C
Rain208 mm
Wet days19.2
In the year-round weather comparison, September scores 20 out of 100 (February leads the year at 51). Daylight is calculated as 12 h 10 from latitude 10.38°. Open-water sea temperature is 28.9°C (15 km from the place centre).
September at a glance
What is Ban I Let 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 208 mm across about 19 wet days.
How much daylight is there?
There are about 12 h 10 between sunrise and sunset at mid-month, calculated from the place latitude.
Is September a good time to visit?
September ranks 6 of 12 in our weather comparison; February ranks first.
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 28.9°C in September. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 1157289
- NOAA station
- TH000048517 · CHUMPHON
- Station distance
- 12.6 km from the place centre
- Coverage
- Strong coverage · 26 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 Ban I Let 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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