Weather in Grass Range in September

General weather information about Grass Range

Average annual temperature is 8.8 °C

Absolute maximum temperature: 36.8 °C

Absolute minimum temperature: -28.4 °C

Number of sunny days: 187 days

Number of rainy days: 132 days

Number of snow days: 46 days

Look at detailed online map of Grass Range

* Weather data for Grass Range United States is based on climate observations for 2026 year

Grass Range air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.512.611.223.826.827.136.836.233.225.318.216.9
Average daytime temperature (°C)3.73.61.411.620.621.728.829.023.712.510.18.4
Average temperature (°C)-1.1-2.0-3.75.014.716.322.022.017.26.94.43.2
Average night temperature (°C)-4.2-5.8-7.60.59.711.615.616.112.33.00.5-0.7
Absolute minimum temperature (°C)-20.7-28.4-19.0-9.54.85.59.011.15.9-15.0-7.6-8.1

Grass Range 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)9.010.311.913.615.115.815.514.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)6.16.77.59.511.811.113.611.110.07.17.06.3
Precipitation (mm)1830355710614414339745116
Sunny days2014141367181915162223
Rainy days535925231312151183
Snow days61112800000405

Grass Range - weather forecast by months

Grass Range weather in januaryGrass Range weather in februaryGrass Range weather in marchGrass Range weather in aprilGrass Range weather in mayGrass Range weather in juneGrass Range weather in julyGrass Range weather in augustGrass Range weather in septemberGrass Range weather in octoberGrass Range weather in novemberGrass Range weather in december

Best time to visit Grass Range:

The best time to visit Grass Range during the most sunny months:

  • May — 11.8(h)
  • July — 13.6(h)

Months with the longest average daylight duration in Grass Range:

  • June — 15.8(h)
  • July — 15.5(h)

The largest precipitation sum in Grass Range is at

  • May — 106(mm)
  • June — 144(mm)
  • September — 97(mm)

    • Weather forecast in the closest to Grass Range admin centers

    Weather forecast in the closest towns to Grass Range

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    Frequently asked questions

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