Weather in Martti in September

General weather information about Martti

Average annual temperature is 6.3 °C

Absolute maximum temperature: 30.5 °C

Absolute minimum temperature: -17.4 °C

Number of sunny days: 138 days

Number of rainy days: 181 days

Number of snow days: 46 days

Look at detailed online map of Martti

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

Martti air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.17.27.316.324.829.524.830.523.315.38.44.6
Average daytime temperature (°C)1.00.81.310.315.122.120.520.417.97.51.7-2.4
Average temperature (°C)-0.9-1.5-2.44.610.116.916.817.014.94.8-0.2-4.3
Average night temperature (°C)-2.9-4.5-6.9-1.33.910.212.813.811.42.2-2.5-6.6
Absolute minimum temperature (°C)-17.2-13.2-17.3-13.6-2.82.710.910.85.0-4.8-11.5-17.4

Martti 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)6.79.111.814.617.318.918.115.612.910.17.55.9
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)1.43.45.910.913.315.713.59.38.05.21.40.5
Precipitation (mm)783886213242116220601409436
Sunny days1113122121175210989
Rainy days16789101326292021148
Snow days48110000001814

Martti - weather forecast by months

Martti weather in januaryMartti weather in februaryMartti weather in marchMartti weather in aprilMartti weather in mayMartti weather in juneMartti weather in julyMartti weather in augustMartti weather in septemberMartti weather in octoberMartti weather in novemberMartti weather in december

Best time to visit Martti:

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

  • April — 10.9(h)
  • May — 13.3(h)
  • June — 15.7(h)
  • July — 13.5(h)
  • August — 9.3(h)

Months with the longest average daylight duration in Martti:

  • May — 17.3(h)
  • June — 18.9(h)
  • July — 18.1(h)
  • August — 15.6(h)

The largest precipitation sum in Martti is at

  • July — 116(mm)
  • August — 220(mm)
  • October — 140(mm)

    • Weather forecast in the closest to Martti admin centers

    Weather forecast in the closest towns to Martti

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    Frequently asked questions

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