Weather in Østby in September

General weather information about Østby

Average annual temperature is 0.8 °C

Absolute maximum temperature: 25.9 °C

Absolute minimum temperature: -26.9 °C

Number of sunny days: 125 days

Number of rainy days: 141 days

Number of snow days: 99 days

Look at detailed online map of Østby

* Weather data for Østby Norway is based on climate observations for 2026 year

Østby air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.14.94.911.621.025.923.418.318.911.60.02.1
Average daytime temperature (°C)-5.3-2.4-2.73.911.219.415.915.112.92.7-6.1-8.5
Average temperature (°C)-8.3-5.7-7.4-0.66.313.911.911.48.8-0.2-8.8-12.1
Average night temperature (°C)-12.0-9.8-13.0-5.90.47.37.88.04.7-2.9-11.9-16.8
Absolute minimum temperature (°C)-23.4-19.1-24.1-15.3-5.60.14.14.2-0.9-11.7-24.0-26.9

Østby 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)5.07.010.013.016.019.017.014.011.08.05.05.0
Sunshine mean duration (h)1.33.37.17.911.112.79.68.06.54.71.40.5
Precipitation (mm)52414158224815922578353830
Sunny days101212131415526131211
Rainy days610712152629241326
Snow days151519105000051614

Østby - weather forecast by months

Østby weather in januaryØstby weather in februaryØstby weather in marchØstby weather in aprilØstby weather in mayØstby weather in juneØstby weather in julyØstby weather in augustØstby weather in septemberØstby weather in octoberØstby weather in novemberØstby weather in december

Best time to visit Østby:

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

  • April — 7.9(h)
  • May — 11.1(h)
  • June — 12.7(h)
  • July — 9.6(h)
  • August — 8.0(h)

Months with the longest average daylight duration in Østby:

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

The largest precipitation sum in Østby is at

  • July — 159(mm)
  • August — 225(mm)

    • Weather forecast in the closest to Østby admin centers

    Weather forecast in the closest towns to Østby

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    Frequently asked questions

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