Weather in Viken in September

General weather information about Viken

Average annual temperature is 5.0 °C

Absolute maximum temperature: 29.3 °C

Absolute minimum temperature: -17.3 °C

Number of sunny days: 143 days

Number of rainy days: 166 days

Number of snow days: 56 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)4.37.98.717.322.629.323.822.523.715.34.55.4
Average daytime temperature (°C)-0.50.31.08.016.622.519.418.717.46.0-0.8-4.2
Average temperature (°C)-2.8-2.7-3.42.410.916.815.515.013.63.5-2.8-6.7
Average night temperature (°C)-5.5-5.7-8.1-3.24.210.211.811.89.81.1-4.8-9.4
Absolute minimum temperature (°C)-16.4-13.4-17.2-14.4-3.13.39.69.73.8-5.5-10.9-17.3

Viken monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.018.019.019.017.014.011.08.06.0
Daylight mean duration (h)6.59.011.814.717.519.218.415.812.910.07.35.6
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)1.84.26.89.513.914.511.78.07.94.10.60.7
Precipitation (mm)623542422633153222466510432
Sunny days12151216201923158714
Rainy days1047131011292815181110
Snow days99121100005127

Viken - weather forecast by months

Viken weather in januaryViken weather in februaryViken weather in marchViken weather in aprilViken weather in mayViken weather in juneViken weather in julyViken weather in augustViken weather in septemberViken weather in octoberViken weather in novemberViken weather in december

Best time to visit Viken:

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

  • April — 9.5(h)
  • May — 13.9(h)
  • June — 14.5(h)
  • July — 11.7(h)

Months with the longest average daylight duration in Viken:

  • May — 17.5(h)
  • June — 19.2(h)
  • July — 18.4(h)
  • August — 15.8(h)

The largest precipitation sum in Viken is at

  • July — 153(mm)
  • August — 222(mm)
  • November — 104(mm)

    • Weather forecast in the closest to Viken admin centers

    Weather forecast in the closest towns to Viken

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    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.