Weather in Ostnäs in September

General weather information about Ostnäs

Average annual temperature is 4.4 °C

Absolute maximum temperature: 24.2 °C

Absolute minimum temperature: -16.2 °C

Number of sunny days: 140 days

Number of rainy days: 152 days

Number of snow days: 73 days

Look at detailed online map of Ostnäs

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

Ostnäs air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.78.07.515.715.424.221.724.019.412.95.65.6
Average daytime temperature (°C)-0.70.0-1.24.411.017.718.518.615.95.1-1.0-3.1
Average temperature (°C)-2.8-2.6-4.30.97.414.215.816.213.32.3-2.8-5.6
Average night temperature (°C)-4.8-5.2-7.6-2.23.39.812.513.510.1-0.4-5.2-8.3
Absolute minimum temperature (°C)-11.5-15.5-15.8-9.7-5.74.09.08.53.0-7.2-12.5-16.2

Ostnäs monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.019.020.020.017.014.011.08.05.0
Daylight mean duration (h)5.78.611.815.118.320.619.416.313.09.86.64.6
Daylight minimum duration (h)4.07.010.013.016.019.017.014.011.08.05.04.0
Sunshine mean duration (h)1.43.66.710.013.814.712.69.77.04.80.40.4
Precipitation (mm)110335438281995212704612648
Sunny days8111320181910481586
Rainy days124471111212722131010
Snow days11131432000031215

Ostnäs - weather forecast by months

Ostnäs weather in januaryOstnäs weather in februaryOstnäs weather in marchOstnäs weather in aprilOstnäs weather in mayOstnäs weather in juneOstnäs weather in julyOstnäs weather in augustOstnäs weather in septemberOstnäs weather in octoberOstnäs weather in novemberOstnäs weather in december

Best time to visit Ostnäs:

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

  • April — 10.0(h)
  • May — 13.8(h)
  • June — 14.7(h)
  • July — 12.6(h)
  • August — 9.7(h)

Months with the longest average daylight duration in Ostnäs:

  • May — 18.3(h)
  • June — 20.6(h)
  • July — 19.4(h)
  • August — 16.3(h)

The largest precipitation sum in Ostnäs is at

  • January — 110(mm)
  • July — 95(mm)
  • August — 212(mm)
  • November — 126(mm)

    • Weather forecast in the closest to Ostnäs admin centers

    Weather forecast in the closest towns to Ostnäs

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    Frequently asked questions

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