Weather in Assen in September

General weather information about Assen

Average annual temperature is 11.1 °C

Absolute maximum temperature: 31.7 °C

Absolute minimum temperature: -5.0 °C

Number of sunny days: 100 days

Number of rainy days: 264 days

Number of snow days: 1 day

Look at detailed online map of Assen

* Weather data for Assen Netherlands is based on climate observations for 2026 year

Assen air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.112.015.919.022.630.231.726.629.221.813.911.7
Average daytime temperature (°C)7.18.49.412.417.023.621.721.322.315.29.47.5
Average temperature (°C)5.15.26.18.012.618.417.817.117.612.56.95.6
Average night temperature (°C)3.02.33.13.58.212.714.013.013.09.94.43.6
Absolute minimum temperature (°C)-3.6-3.8-4.5-3.13.98.110.29.78.72.3-4.4-5.0

Assen monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.012.014.016.016.016.015.013.011.09.07.0
Daylight mean duration (h)8.29.911.914.015.816.816.314.712.710.68.77.7
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.07.07.0
Sunshine mean duration (h)3.24.35.39.010.212.911.510.29.24.63.62.0
Precipitation (mm)1204310084432814114450164143142
Sunny days6115814192616427
Rainy days251725221711292514272824
Snow days001000000000

Assen - weather forecast by months

Assen weather in januaryAssen weather in februaryAssen weather in marchAssen weather in aprilAssen weather in mayAssen weather in juneAssen weather in julyAssen weather in augustAssen weather in septemberAssen weather in octoberAssen weather in novemberAssen weather in december

Best time to visit Assen:

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

  • May — 10.2(h)
  • June — 12.9(h)
  • July — 11.5(h)
  • August — 10.2(h)
  • September — 9.2(h)

Months with the longest average daylight duration in Assen:

  • May — 15.8(h)
  • June — 16.8(h)
  • July — 16.3(h)

The largest precipitation sum in Assen is at

  • July — 141(mm)
  • August — 144(mm)
  • October — 164(mm)
  • November — 143(mm)
  • December — 142(mm)

    • Weather forecast in the closest to Assen admin centers

    Weather forecast in the closest towns to Assen

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    Frequently asked questions

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