Weather in Grudna in September

General weather information about Grudna

Average annual temperature is 10.7 °C

Absolute maximum temperature: 33.3 °C

Absolute minimum temperature: -9.8 °C

Number of sunny days: 131 days

Number of rainy days: 217 days

Number of snow days: 17 days

Look at detailed online map of Grudna

* Weather data for Grudna Poland is based on climate observations for 2026 year

Grudna air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.09.918.921.224.031.032.333.328.924.415.810.5
Average daytime temperature (°C)5.34.49.212.318.323.926.025.623.615.47.23.8
Average temperature (°C)3.21.64.77.913.519.020.920.618.311.64.41.7
Average night temperature (°C)0.9-1.50.43.37.712.814.816.013.17.71.6-0.7
Absolute minimum temperature (°C)-4.4-7.6-6.0-5.51.04.910.39.89.60.1-6.9-9.8

Grudna monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.016.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.510.011.913.915.616.516.114.512.610.78.98.0
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)2.43.45.97.610.312.712.39.69.84.83.81.8
Precipitation (mm)4958525836496012516875679
Sunny days121086211313820758
Rainy days161520241017182310242119
Snow days333000000044

Grudna - weather forecast by months

Grudna weather in januaryGrudna weather in februaryGrudna weather in marchGrudna weather in aprilGrudna weather in mayGrudna weather in juneGrudna weather in julyGrudna weather in augustGrudna weather in septemberGrudna weather in octoberGrudna weather in novemberGrudna weather in december

Best time to visit Grudna:

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

  • May — 10.3(h)
  • June — 12.7(h)
  • July — 12.3(h)
  • August — 9.6(h)
  • September — 9.8(h)

Months with the longest average daylight duration in Grudna:

  • May — 15.6(h)
  • June — 16.5(h)
  • July — 16.1(h)

The largest precipitation sum in Grudna is at

  • August — 125(mm)
  • October — 87(mm)
  • December — 79(mm)

    • Weather forecast in the closest to Grudna admin centers

    Weather forecast in the closest towns to Grudna

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    Frequently asked questions

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