Weather in Viken in September

General weather information about Viken

Average annual temperature is 5.1 °C

Absolute maximum temperature: 25.4 °C

Absolute minimum temperature: -18.5 °C

Number of sunny days: 152 days

Number of rainy days: 162 days

Number of snow days: 51 days

Look at detailed online map of Viken

* Weather data for Viken Sweden is based on climate observations for 2026 year

Viken air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)6.69.08.116.420.925.423.022.623.414.25.87.5
Average daytime temperature (°C)-0.31.11.46.814.920.319.518.917.26.0-0.8-3.0
Average temperature (°C)-2.9-2.0-2.62.710.015.916.115.613.53.5-3.1-6.1
Average night temperature (°C)-6.2-6.0-6.9-1.33.810.112.112.29.51.0-5.5-9.5
Absolute minimum temperature (°C)-16.5-14.1-13.1-8.2-3.84.08.48.90.7-4.9-16.6-18.5

Viken monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.019.019.019.017.014.011.08.05.0
Daylight mean duration (h)6.28.811.814.917.819.718.816.013.09.97.05.2
Daylight minimum duration (h)5.07.010.013.016.019.017.014.011.08.05.04.0
Sunshine mean duration (h)1.54.57.010.014.015.312.69.08.04.80.70.4
Precipitation (mm)963638471226131232454619061
Sunny days131715151921651610510
Rainy days124711129252614171312
Snow days6794000004129

Best time to visit Viken:

The best time to visit Viken during the most sunny months:

  • April — 10.0(h)
  • May — 14.0(h)
  • June — 15.3(h)
  • July — 12.6(h)

Months with the longest average daylight duration in Viken:

  • May — 17.8(h)
  • June — 19.7(h)
  • July — 18.8(h)
  • August — 16.0(h)

The largest precipitation sum in Viken is at

  • July — 131(mm)
  • August — 232(mm)
  • November — 190(mm)
  • Frequently asked questions

    When is the best time to visit Viken?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Viken.
    What is the weather like in Viken?
    See average temperature, rainfall and daylight hours for Viken by month in the table above.
    How many sunny days does Viken have?
    The monthly weather statistics above show sunshine and rainfall patterns for Viken throughout the year.