Weather in Imatra in September

General weather information about Imatra

Average annual temperature is 5.2 °C

Absolute maximum temperature: 29.6 °C

Absolute minimum temperature: -17.3 °C

Number of sunny days: 123 days

Number of rainy days: 166 days

Number of snow days: 76 days

Look at detailed online map of Imatra

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

Imatra air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.43.14.818.322.427.324.929.621.713.55.92.1
Average daytime temperature (°C)-2.0-2.4-0.68.715.020.120.121.217.55.4-0.4-4.8
Average temperature (°C)-3.8-4.3-3.23.010.515.916.917.614.43.2-1.9-6.3
Average night temperature (°C)-5.6-6.5-6.0-1.75.310.613.414.011.51.3-3.4-8.0
Absolute minimum temperature (°C)-16.1-17.3-14.3-8.1-2.61.89.39.17.3-5.7-12.2-13.9

Imatra monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.016.018.019.019.017.014.011.08.06.0
Daylight mean duration (h)6.59.011.814.717.519.218.315.812.910.07.35.6
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)0.82.25.011.913.315.111.910.87.54.40.30.2
Precipitation (mm)76257727314415886991126453
Sunny days11752414156991148
Rainy days112106151525222119155
Snow days9191602000011118

Imatra - weather forecast by months

Imatra weather in januaryImatra weather in februaryImatra weather in marchImatra weather in aprilImatra weather in mayImatra weather in juneImatra weather in julyImatra weather in augustImatra weather in septemberImatra weather in octoberImatra weather in novemberImatra weather in december

Best time to visit Imatra:

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

  • April — 11.9(h)
  • May — 13.3(h)
  • June — 15.1(h)
  • July — 11.9(h)
  • August — 10.8(h)

Months with the longest average daylight duration in Imatra:

  • May — 17.5(h)
  • June — 19.2(h)
  • July — 18.3(h)
  • August — 15.8(h)

The largest precipitation sum in Imatra is at

  • July — 158(mm)
  • September — 99(mm)
  • October — 112(mm)

    • Weather forecast in the closest to Imatra admin centers

    Weather forecast in the closest towns to Imatra

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    MapTrains schedule
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    Frequently asked questions

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