Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Ranong, Thailand

  • Average high temperature in September: 30.5°C

The warmest month (with the highest average high temperature) is March (35°C).
Months with the lowest average high temperature are August and September (30.5°C).

  • Average low temperature in September: 23.9°C

The month with the highest average low temperature is May (24.7°C).
The coldest month (with the lowest average low temperature) is January (21.9°C).

  • Average humidity in September: 86%

Months with the highest relative humidity are August and September (86%).
The month with the lowest relative humidity is February (70%).

  • Average rainfall in September: 646.5mm

The wettest month (with the highest rainfall) is August (789.1mm).
The driest month (with the lowest rainfall) is January (10mm).

  • Average rainfall days in September: 26 days

The month with the highest number of rainy days is August (28 days).
The month with the lowest number of rainy days is February (3 days).