Weather in Thônex in September

General weather information about Thônex

Average annual temperature is 12.6 °C

Absolute maximum temperature: 38.4 °C

Absolute minimum temperature: -5.7 °C

Number of sunny days: 174 days

Number of rainy days: 187 days

Number of snow days: 4 days

Look at detailed online map of Thônex

* Weather data for Thônex Switzerland is based on climate observations for 2026 year

Thônex air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.914.619.621.523.630.738.038.431.326.914.912.5
Average daytime temperature (°C)5.98.912.113.618.726.328.328.625.119.09.77.8
Average temperature (°C)3.04.27.59.214.620.922.322.919.914.66.84.3
Average night temperature (°C)0.00.23.25.010.515.616.417.515.210.43.41.3
Absolute minimum temperature (°C)-5.7-3.9-2.3-0.76.512.711.110.38.14.0-2.9-3.7

Thônex monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.110.311.913.615.015.715.414.112.610.99.58.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)4.78.47.49.011.613.012.610.910.37.84.23.9
Precipitation (mm)91712510571971176391187179192
Sunny days15201312141512152217613
Rainy days1471718171519168142418
Snow days211000000000

Thônex - weather forecast by months

Thônex weather in januaryThônex weather in februaryThônex weather in marchThônex weather in aprilThônex weather in mayThônex weather in juneThônex weather in julyThônex weather in augustThônex weather in septemberThônex weather in octoberThônex weather in novemberThônex weather in december

Best time to visit Thônex:

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

  • May — 11.6(h)
  • June — 13.0(h)
  • July — 12.6(h)
  • August — 10.9(h)

Months with the longest average daylight duration in Thônex:

  • June — 15.7(h)
  • July — 15.4(h)

The largest precipitation sum in Thônex is at

  • October — 187(mm)
  • November — 179(mm)
  • December — 192(mm)

    • Weather forecast in the closest to Thônex admin centers

    Weather forecast in the closest towns to Thônex

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    Frequently asked questions

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