Weather in Graulinster in September

General weather information about Graulinster

Average annual temperature is 10.7 °C

Absolute maximum temperature: 31.6 °C

Absolute minimum temperature: -6.2 °C

Number of sunny days: 111 days

Number of rainy days: 247 days

Number of snow days: 7 days

Look at detailed online map of Graulinster

* Weather data for Graulinster Luxembourg is based on climate observations for 2026 year

Graulinster air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.612.414.117.523.229.331.628.628.823.414.010.8
Average daytime temperature (°C)5.37.19.411.717.824.922.921.822.415.88.16.4
Average temperature (°C)3.43.45.97.513.119.718.417.417.211.96.14.6
Average night temperature (°C)1.40.22.42.98.113.313.312.911.98.23.92.9
Absolute minimum temperature (°C)-6.2-6.1-4.3-4.12.78.28.47.94.80.9-4.9-4.8

Graulinster monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.710.111.913.815.416.215.814.412.610.89.18.2
Daylight minimum duration (h)8.09.010.012.014.016.015.013.011.09.08.08.0
Sunshine mean duration (h)2.05.35.78.511.513.410.49.69.95.93.01.8
Precipitation (mm)11113129785125721414411816085
Sunny days61485131756171226
Rainy days211322251813262513192824
Snow days411000000001

Graulinster - weather forecast by months

Graulinster weather in januaryGraulinster weather in februaryGraulinster weather in marchGraulinster weather in aprilGraulinster weather in mayGraulinster weather in juneGraulinster weather in julyGraulinster weather in augustGraulinster weather in septemberGraulinster weather in octoberGraulinster weather in novemberGraulinster weather in december

Best time to visit Graulinster:

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

  • May — 11.5(h)
  • June — 13.4(h)
  • July — 10.4(h)
  • August — 9.6(h)
  • September — 9.9(h)

Months with the longest average daylight duration in Graulinster:

  • May — 15.4(h)
  • June — 16.2(h)
  • July — 15.8(h)

The largest precipitation sum in Graulinster is at

  • January — 111(mm)
  • March — 129(mm)
  • August — 141(mm)
  • October — 118(mm)
  • November — 160(mm)

    • Weather forecast in the closest to Graulinster admin centers

    Weather forecast in the closest towns to Graulinster

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    Frequently asked questions

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