Weather in Hetta in September

General weather information about Hetta

Average annual temperature is 0.2 °C

Absolute maximum temperature: 25.5 °C

Absolute minimum temperature: -25.2 °C

Number of sunny days: 140 days

Number of rainy days: 134 days

Number of snow days: 91 days

Look at detailed online map of Hetta

* Weather data for Hetta Finland is based on climate observations for 2026 year

Hetta air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)0.83.51.47.019.625.525.125.420.87.2-0.80.2
Average daytime temperature (°C)-5.7-4.2-8.72.49.116.616.817.111.5-1.2-5.8-8.3
Average temperature (°C)-8.3-6.8-12.2-1.05.112.713.513.68.4-3.6-8.6-10.5
Average night temperature (°C)-11.3-9.4-16.0-4.50.68.19.89.85.1-6.1-12.4-13.1
Absolute minimum temperature (°C)-21.1-18.2-25.2-11.2-7.1-2.23.95.0-3.2-12.4-20.9-20.0

Hetta monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)5.09.013.017.024.024.024.019.015.011.07.01.0
Daylight mean duration (h)2.87.711.715.921.124.023.017.513.39.24.80.2
Daylight minimum duration (h)0.05.09.013.018.024.020.015.011.07.02.00.0
Sunshine mean duration (h)0.62.06.510.412.114.510.18.65.52.80.30.0
Precipitation (mm)522437295935104108129413634
Sunny days111114171012854171714
Rainy days32281716232626731
Snow days17151554200071016

Hetta - weather forecast by months

Hetta weather in januaryHetta weather in februaryHetta weather in marchHetta weather in aprilHetta weather in mayHetta weather in juneHetta weather in julyHetta weather in augustHetta weather in septemberHetta weather in octoberHetta weather in novemberHetta weather in december

Best time to visit Hetta:

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

  • April — 10.4(h)
  • May — 12.1(h)
  • June — 14.5(h)
  • July — 10.1(h)
  • August — 8.6(h)

Months with the longest average daylight duration in Hetta:

  • April — 15.9(h)
  • May — 21.1(h)
  • June — 24.0(h)
  • July — 23.0(h)
  • August — 17.5(h)

The largest precipitation sum in Hetta is at

  • July — 104(mm)
  • August — 108(mm)
  • September — 129(mm)

    • Weather forecast in the closest to Hetta admin centers

    Weather forecast in the closest towns to Hetta

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    Frequently asked questions

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