Svalbard and Jan Mayen
Long-term weather forecast
Long-term weather forecast

September weather forecast and Climate
Barentsburg, Svalbard and Jan Mayen

  • The average high temperature in September: 2.9°C

The warmest month (with the highest average high temperature) is July (8.4°C).
Months with the lowest average high temperature are February and March (-9.4°C).

  • The average low temperature in September: -0.4°C

The month with the highest average low temperature is July (4.4°C).
The coldest month (with the lowest average low temperature) is February (-15.7°C).

  • The average humidity in September: 81%

The month with the highest relative humidity is August (82%).
Months with the lowest relative humidity are January, February, March, April, October, November and December (77%).

  • The average rainfall in September: 54mm

The wettest month (with the highest rainfall) is December (63mm).
The driest month (with the lowest rainfall) is June (21mm).

  • The average rainfall days in September: 12 days

The month with the highest number of rainy days is July (17 days).
Months with the lowest number of rainy days are February and April (1 days).

  • The average snowfall days in September: 14 days

Months with the highest number of snowfall days are January and December (24 days).
The month with the lowest number of snowfall days is July (1 days).