Nakhon Si Thammarat
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Nakhon Si Thammarat, Thailand

  • Average high temperature in September: 33.1°C

Warmest months (with the highest average high temperature) are April, May and June (34°C).
The month with the lowest average high temperature is December (29.6°C).

  • Average low temperature in September: 23.2°C

Months with the highest average low temperature are May and June (24°C).
The coldest month (with the lowest average low temperature) is February (22°C).

  • Average humidity in September: 82%

The month with the highest relative humidity is November (87%).
The month with the lowest relative humidity is August (78%).

  • Average rainfall in September: 161.6mm

The wettest month (with the highest rainfall) is November (631.2mm).
The driest month (with the lowest rainfall) is February (68.2mm).

  • Average rainfall days in September: 17 days

The month with the highest number of rainy days is November (22 days).
The month with the lowest number of rainy days is March (4 days).

  • Average daylight in September: 12.2h

Months with the longest days are June and July (Average daylight: 12.6h).
The month with shortest days is December (Average daylight: 11.6h).