Weather in De Grasse in September

General weather information about De Grasse

Average annual temperature is 3.6 °C

Absolute maximum temperature: 25.2 °C

Absolute minimum temperature: -27.9 °C

Number of sunny days: 161 days

Number of rainy days: 144 days

Number of snow days: 60 days

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* Weather data for De Grasse Canada is based on climate observations for 2026 year

De Grasse air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.13.38.510.921.325.224.621.422.518.77.510.3
Average daytime temperature (°C)-6.2-8.9-0.14.011.716.620.418.317.711.41.1-1.9
Average temperature (°C)-10.4-14.2-2.90.77.413.317.315.414.28.8-2.4-5.5
Average night temperature (°C)-14.0-18.6-5.7-2.33.510.414.712.911.16.5-5.9-9.3
Absolute minimum temperature (°C)-22.9-27.9-16.7-11.2-1.73.912.79.35.5-0.8-17.1-17.5

De Grasse 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)8.610.111.913.815.416.315.914.412.610.79.08.1
Daylight minimum duration (h)8.09.010.012.014.016.015.013.011.09.08.08.0
Sunshine mean duration (h)4.66.86.99.49.88.69.48.17.94.85.14.8
Precipitation (mm)673056785610617318871998669
Sunny days1313131716149816131118
Rainy days4339151622231417126
Snow days141215400000177

De Grasse - weather forecast by months

De Grasse weather in januaryDe Grasse weather in februaryDe Grasse weather in marchDe Grasse weather in aprilDe Grasse weather in mayDe Grasse weather in juneDe Grasse weather in julyDe Grasse weather in augustDe Grasse weather in septemberDe Grasse weather in octoberDe Grasse weather in novemberDe Grasse weather in december

Best time to visit De Grasse:

The best time to visit De Grasse during the most sunny months:

  • April — 9.4(h)
  • May — 9.8(h)
  • July — 9.4(h)

Months with the longest average daylight duration in De Grasse:

  • May — 15.4(h)
  • June — 16.3(h)
  • July — 15.9(h)

The largest precipitation sum in De Grasse is at

  • July — 173(mm)
  • August — 188(mm)

    • Weather forecast in the closest to De Grasse admin centers

    Weather forecast in the closest towns to De Grasse

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    Frequently asked questions

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