Weather in Grillenburg in September

General weather information about Grillenburg

Average annual temperature is 10.1 °C

Absolute maximum temperature: 32.5 °C

Absolute minimum temperature: -11.3 °C

Number of sunny days: 113 days

Number of rainy days: 236 days

Number of snow days: 16 days

Look at detailed online map of Grillenburg

* Weather data for Grillenburg Germany is based on climate observations for 2026 year

Grillenburg air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.811.916.318.223.628.232.529.628.124.814.09.5
Average daytime temperature (°C)4.55.08.49.716.722.023.822.622.515.87.04.9
Average temperature (°C)2.61.74.76.312.417.319.318.617.612.34.63.1
Average night temperature (°C)0.7-1.31.22.67.612.214.614.913.09.22.41.2
Absolute minimum temperature (°C)-6.9-11.0-11.3-3.02.35.811.19.96.81.8-6.8-6.9

Grillenburg 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)8.510.011.913.815.516.416.014.512.610.79.08.0
Daylight minimum duration (h)8.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)2.14.15.96.511.212.612.08.910.45.73.42.6
Precipitation (mm)73939370131007110443118121133
Sunny days91078177105201136
Rainy days161521221423212610202424
Snow days633000000031

Grillenburg - weather forecast by months

Grillenburg weather in januaryGrillenburg weather in februaryGrillenburg weather in marchGrillenburg weather in aprilGrillenburg weather in mayGrillenburg weather in juneGrillenburg weather in julyGrillenburg weather in augustGrillenburg weather in septemberGrillenburg weather in octoberGrillenburg weather in novemberGrillenburg weather in december

Best time to visit Grillenburg:

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

  • May — 11.2(h)
  • June — 12.6(h)
  • July — 12.0(h)
  • August — 8.9(h)
  • September — 10.4(h)

Months with the longest average daylight duration in Grillenburg:

  • May — 15.5(h)
  • June — 16.4(h)
  • July — 16.0(h)

The largest precipitation sum in Grillenburg is at

  • October — 118(mm)
  • November — 121(mm)
  • December — 133(mm)

    • Weather forecast in the closest to Grillenburg admin centers

    Weather forecast in the closest towns to Grillenburg

    Explore Grillenburg

    See also
    MapTrains schedule
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    Frequently asked questions

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