Weather in Hamm in September

General weather information about Hamm

Average annual temperature is 12.4 °C

Absolute maximum temperature: 35.4 °C

Absolute minimum temperature: -4.7 °C

Number of sunny days: 126 days

Number of rainy days: 234 days

Number of snow days: 5 days

Look at detailed online map of Hamm

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

Hamm air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.413.118.120.725.931.435.431.229.625.615.312.3
Average daytime temperature (°C)6.98.111.713.720.227.226.024.724.817.710.07.6
Average temperature (°C)4.74.47.49.315.121.621.120.118.813.37.45.3
Average night temperature (°C)2.31.23.34.69.915.415.915.813.49.34.73.2
Absolute minimum temperature (°C)-4.5-4.7-3.3-2.44.611.212.611.87.63.7-2.5-4.4

Hamm 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)2.76.06.28.111.213.611.19.810.36.03.92.4
Precipitation (mm)63141017751171091292511612262
Sunny days815551422109201215
Rainy days21122525178212210192925
Snow days211000000001

Hamm - weather forecast by months

Hamm weather in januaryHamm weather in februaryHamm weather in marchHamm weather in aprilHamm weather in mayHamm weather in juneHamm weather in julyHamm weather in augustHamm weather in septemberHamm weather in octoberHamm weather in novemberHamm weather in december

Best time to visit Hamm:

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

  • May — 11.2(h)
  • June — 13.6(h)
  • July — 11.1(h)
  • August — 9.8(h)
  • September — 10.3(h)

Months with the longest average daylight duration in Hamm:

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

The largest precipitation sum in Hamm is at

  • March — 101(mm)
  • July — 109(mm)
  • August — 129(mm)
  • October — 116(mm)
  • November — 122(mm)

    • Weather forecast in the closest to Hamm admin centers

    Weather forecast in the closest towns to Hamm

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    MapTrains schedule
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    Frequently asked questions

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