Mae Hong Son
Long-term weather forecast
Long-term weather forecast

September weather forecast and Climate
Mae Hong Son, Thailand

  • The average high temperature in September: 32.8°C

The warmest month (with the highest average high temperature) is April (38.7°C).
The month with the lowest average high temperature is December (29°C).

  • The average low temperature in September: 23°C

The month with the highest average low temperature is June (23.7°C).
The coldest month (with the lowest average low temperature) is January (13.8°C).

  • The average humidity in September: 83%

Months with the highest relative humidity are August and September (83%).
Months with the lowest relative humidity are March and April (55%).

  • The average rainfall in September: 199mm

The wettest month (with the highest rainfall) is August (239.3mm).
The driest month (with the lowest rainfall) is February (6mm).

  • The average rainfall days in September: 20 days

The month with the highest number of rainy days is August (26 days).
Months with the lowest number of rainy days are January, February and March (1 days).

  • The average daylight in September: 12h

Months with the longest days are April, May, June, July and August (Average daylight: 13h).
Months with shortest days are January, November and December (Average daylight: 11h).

  • The average sunshine in September: 5h

Months with most sunshine are February and March (Average sunshine: 10h).
Months with least sunshine are June, July, August and September (Average sunshine: 5).

  • The average UV index in September: 12

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
Months with the lowest UV index are January and December (UV index 8).