Weather in Tertnes in September

General weather information about Tertnes

Average annual temperature is 7.2 °C

Absolute maximum temperature: 26.6 °C

Absolute minimum temperature: -10.6 °C

Number of sunny days: 109 days

Number of rainy days: 230 days

Number of snow days: 26 days

Look at detailed online map of Tertnes

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

Tertnes air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)8.48.710.817.017.526.626.123.923.414.812.29.8
Average daytime temperature (°C)3.75.94.810.812.620.017.817.916.39.54.52.0
Average temperature (°C)1.63.61.36.49.115.114.614.613.26.41.3-0.6
Average night temperature (°C)-0.61.1-2.61.75.29.911.311.410.13.7-1.5-4.0
Absolute minimum temperature (°C)-9.1-4.7-9.2-2.5-0.24.68.58.26.0-1.4-9.5-10.6

Tertnes monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.015.018.019.018.016.014.011.08.06.0
Daylight mean duration (h)6.79.111.814.617.318.918.115.712.910.17.55.9
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)1.62.86.29.38.213.19.27.75.75.63.61.2
Precipitation (mm)328253193551146229124436421897239
Sunny days75815111841416155
Rainy days202215152012273026151414
Snow days4180000000112

Tertnes - weather forecast by months

Tertnes weather in januaryTertnes weather in februaryTertnes weather in marchTertnes weather in aprilTertnes weather in mayTertnes weather in juneTertnes weather in julyTertnes weather in augustTertnes weather in septemberTertnes weather in octoberTertnes weather in novemberTertnes weather in december

Best time to visit Tertnes:

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

  • April — 9.3(h)
  • May — 8.2(h)
  • June — 13.1(h)
  • July — 9.2(h)

Months with the longest average daylight duration in Tertnes:

  • May — 17.3(h)
  • June — 18.9(h)
  • July — 18.1(h)
  • August — 15.7(h)

The largest precipitation sum in Tertnes is at

  • January — 328(mm)
  • July — 291(mm)
  • September — 364(mm)

    • Weather forecast in the closest to Tertnes admin centers

    Weather forecast in the closest towns to Tertnes

    Explore Tertnes

    See also
    MapTrains schedule
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    Frequently asked questions

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