Weather in Onder in September

General weather information about Onder

Average annual temperature is 11.9 °C

Absolute maximum temperature: 34.9 °C

Absolute minimum temperature: -4.2 °C

Number of sunny days: 118 days

Number of rainy days: 244 days

Number of snow days: 3 days

Look at detailed online map of Onder

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

Onder air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.213.516.918.524.330.634.927.830.725.015.511.5
Average daytime temperature (°C)7.18.410.512.918.625.523.422.523.316.99.98.1
Average temperature (°C)5.05.16.98.613.720.319.018.118.413.57.36.2
Average night temperature (°C)2.81.93.44.48.614.514.613.913.610.44.84.1
Absolute minimum temperature (°C)-4.2-3.6-3.6-2.82.99.111.110.78.42.2-2.9-4.2

Onder 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)8.510.011.913.915.616.516.114.512.610.78.98.0
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)2.93.95.28.011.012.711.010.19.55.83.91.9
Precipitation (mm)962212089686911411353127123108
Sunny days71349112159171048
Rainy days22152721209262213212622
Snow days200000000001

Onder - weather forecast by months

Onder weather in januaryOnder weather in februaryOnder weather in marchOnder weather in aprilOnder weather in mayOnder weather in juneOnder weather in julyOnder weather in augustOnder weather in septemberOnder weather in octoberOnder weather in novemberOnder weather in december

Best time to visit Onder:

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

  • May — 11.0(h)
  • June — 12.7(h)
  • July — 11.0(h)
  • August — 10.1(h)
  • September — 9.5(h)

Months with the longest average daylight duration in Onder:

  • May — 15.6(h)
  • June — 16.5(h)
  • July — 16.1(h)

The largest precipitation sum in Onder is at

  • March — 120(mm)
  • October — 127(mm)
  • November — 123(mm)

    • Weather forecast in the closest to Onder admin centers

    Weather forecast in the closest towns to Onder

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    Frequently asked questions

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