Weather in Calmus in September

General weather information about Calmus

Average annual temperature is 10.9 °C

Absolute maximum temperature: 31.0 °C

Absolute minimum temperature: -6.3 °C

Number of sunny days: 123 days

Number of rainy days: 237 days

Number of snow days: 5 days

Look at detailed online map of Calmus

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

Calmus air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.412.414.517.823.829.131.028.429.823.714.111.2
Average daytime temperature (°C)5.57.29.611.918.125.122.721.922.816.18.36.5
Average temperature (°C)3.63.56.07.613.319.818.217.517.412.16.34.8
Average night temperature (°C)1.50.32.43.08.213.413.112.912.08.44.13.0
Absolute minimum temperature (°C)-5.9-6.3-4.4-4.02.98.47.18.15.20.7-5.1-4.8

Calmus 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)1.95.05.47.911.413.410.59.79.95.62.41.7
Precipitation (mm)1159115705223921364411616187
Sunny days71687122088181117
Rainy days211123231910232312202923
Snow days310000000001

Calmus - weather forecast by months

Calmus weather in januaryCalmus weather in februaryCalmus weather in marchCalmus weather in aprilCalmus weather in mayCalmus weather in juneCalmus weather in julyCalmus weather in augustCalmus weather in septemberCalmus weather in octoberCalmus weather in novemberCalmus weather in december

Best time to visit Calmus:

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

  • May — 11.4(h)
  • June — 13.4(h)
  • July — 10.5(h)
  • August — 9.7(h)
  • September — 9.9(h)

Months with the longest average daylight duration in Calmus:

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

The largest precipitation sum in Calmus is at

  • January — 115(mm)
  • March — 115(mm)
  • August — 136(mm)
  • October — 116(mm)
  • November — 161(mm)

    • Weather forecast in the closest to Calmus admin centers

    Weather forecast in the closest towns to Calmus

    Explore Calmus

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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