Long-term weather forecast
Long-term weather forecast

September weather forecast and Climate
Harbin, China

  • The average high temperature in September: 20.7°C

The warmest month (with the highest average high temperature) is July (27.9°C).
The month with the lowest average high temperature is January (-12.5°C).

  • The average low temperature in September: 8.7°C

The month with the highest average low temperature is July (18.3°C).
The coldest month (with the lowest average low temperature) is January (-24.1°C).

  • The average humidity in September: 70%

The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is April (49%).

  • The average rainfall in September: 57.6mm

The wettest month (with the highest rainfall) is July (142.7mm).
The driest month (with the lowest rainfall) is January (3.4mm).

  • The average rainfall days in September: 9.9 days

The month with the highest number of rainy days is July (14.2 days).
Months with the lowest number of rainy days are February and March (5.7 days).

  • The average daylight in September: 13h

The month with the longest days is June (Average daylight: 16h).
Months with shortest days are January, November and December (Average daylight: 9h).

  • The average sunshine in September: 7.7h

The month with most sunshine is June (Average sunshine: 8.7h).
The month with least sunshine is December (Average sunshine: 4.5h).

  • The average UV index in September: 5

The month with the highest UV index is July (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).