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

Comfort score 20 this month (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).

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.