Weather in Rajamäki in September

General weather information about Rajamäki

Average annual temperature is 3.1 °C

Absolute maximum temperature: 27.5 °C

Absolute minimum temperature: -22.5 °C

Number of sunny days: 120 days

Number of rainy days: 148 days

Number of snow days: 97 days

Look at detailed online map of Rajamäki

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

Rajamäki air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.72.61.313.121.626.123.827.521.110.72.41.9
Average daytime temperature (°C)-3.1-3.8-3.65.812.818.318.019.714.92.4-3.3-6.0
Average temperature (°C)-4.7-6.1-6.80.48.014.414.916.312.20.4-5.2-7.5
Average night temperature (°C)-6.6-8.3-10.4-4.32.89.411.412.49.4-1.6-7.4-9.2
Absolute minimum temperature (°C)-20.3-17.8-22.5-11.6-4.81.58.96.42.3-9.1-16.6-15.4

Rajamäki 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)5.48.511.815.218.621.119.816.413.19.76.44.2
Daylight minimum duration (h)4.06.010.013.016.020.018.014.011.08.04.03.0
Sunshine mean duration (h)1.01.85.610.611.914.19.110.95.32.70.10.2
Precipitation (mm)803463524097159115151994852
Sunny days7101123151341041094
Rainy days811315172721261766
Snow days16171941000041521

Rajamäki - weather forecast by months

Rajamäki weather in januaryRajamäki weather in februaryRajamäki weather in marchRajamäki weather in aprilRajamäki weather in mayRajamäki weather in juneRajamäki weather in julyRajamäki weather in augustRajamäki weather in septemberRajamäki weather in octoberRajamäki weather in novemberRajamäki weather in december

Best time to visit Rajamäki:

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

  • April — 10.6(h)
  • May — 11.9(h)
  • June — 14.1(h)
  • July — 9.1(h)
  • August — 10.9(h)

Months with the longest average daylight duration in Rajamäki:

  • May — 18.6(h)
  • June — 21.1(h)
  • July — 19.8(h)
  • August — 16.4(h)

The largest precipitation sum in Rajamäki is at

  • July — 159(mm)
  • August — 115(mm)
  • September — 151(mm)

    • Weather forecast in the closest to Rajamäki admin centers

    Weather forecast in the closest towns to Rajamäki

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    Frequently asked questions

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