Weather in Niska in September

General weather information about Niska

Average annual temperature is 3.4 °C

Absolute maximum temperature: 26.7 °C

Absolute minimum temperature: -22.5 °C

Number of sunny days: 126 days

Number of rainy days: 156 days

Number of snow days: 83 days

Look at detailed online map of Niska

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

Niska air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.33.61.411.721.226.224.126.721.510.42.21.9
Average daytime temperature (°C)-2.6-3.1-3.44.813.218.518.419.815.02.4-3.0-5.6
Average temperature (°C)-4.4-5.4-6.60.29.014.815.416.612.30.3-4.7-7.2
Average night temperature (°C)-6.5-8.0-10.6-4.33.810.712.213.09.5-1.9-7.0-8.9
Absolute minimum temperature (°C)-22.5-16.6-21.7-13.5-5.21.59.47.51.6-9.6-17.6-16.1

Niska monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)6.09.013.016.020.021.021.018.014.011.07.04.0
Daylight mean duration (h)5.48.511.815.218.621.219.816.413.19.76.44.1
Daylight minimum duration (h)4.06.010.013.016.020.018.014.011.08.04.03.0
Sunshine mean duration (h)0.92.36.010.711.914.09.910.95.22.90.30.2
Precipitation (mm)592551404183144100148884649
Sunny days9121023121438513116
Rainy days1142517162823251465
Snow days11121922000041320

Niska - weather forecast by months

Niska weather in januaryNiska weather in februaryNiska weather in marchNiska weather in aprilNiska weather in mayNiska weather in juneNiska weather in julyNiska weather in augustNiska weather in septemberNiska weather in octoberNiska weather in novemberNiska weather in december

Best time to visit Niska:

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

  • April — 10.7(h)
  • May — 11.9(h)
  • June — 14.0(h)
  • July — 9.9(h)
  • August — 10.9(h)

Months with the longest average daylight duration in Niska:

  • May — 18.6(h)
  • June — 21.2(h)
  • July — 19.8(h)
  • August — 16.4(h)

The largest precipitation sum in Niska is at

  • July — 144(mm)
  • August — 100(mm)
  • September — 148(mm)

    • Weather forecast in the closest to Niska admin centers

    Weather forecast in the closest towns to Niska

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    Frequently asked questions

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