Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Haparanda, Sweden

  • Average high temperature in September: 11.6°C

The warmest month (with the highest average high temperature) is July (19.9°C).
The month with the lowest average high temperature is January (-6.8°C).

  • Average low temperature in September: 4.5°C

The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is January (-15.1°C).

  • Average rainfall in September: 62.6mm

The wettest month (with the highest rainfall) is August (67mm).
The driest month (with the lowest rainfall) is April (31mm).

  • Average sea temperature in September: 12.8°C

The best month for swimming (with the highest average sea temperature) is July (17.3°C).
Coldest months (with the lowest average sea temperature) are January and February (-0.9°C).