Weather in City of Cohasset in September

General weather information about City of Cohasset

Average annual temperature is 6.5 °C

Absolute maximum temperature: 32.8 °C

Absolute minimum temperature: -30.2 °C

Number of sunny days: 179 days

Number of rainy days: 139 days

Number of snow days: 47 days

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* Weather data for City of Cohasset United States is based on climate observations for 2026 year

City of Cohasset air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.46.24.021.828.930.030.529.932.828.014.87.9
Average daytime temperature (°C)-5.3-3.6-0.47.720.925.224.424.822.012.33.92.1
Average temperature (°C)-8.6-9.2-5.22.014.019.719.619.717.38.80.0-1.2
Average night temperature (°C)-11.4-13.8-9.4-2.48.014.815.415.513.96.2-2.7-3.4
Absolute minimum temperature (°C)-27.2-30.2-18.6-10.7-1.08.411.311.96.4-4.9-13.4-13.2

City of Cohasset 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)9.010.311.913.615.115.915.514.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.06.97.57.511.112.412.910.77.95.74.53.1
Precipitation (mm)173352755970485097541667
Sunny days21151515221210139121718
Rainy days233119182118211788
Snow days81013400000255

City of Cohasset - weather forecast by months

City of Cohasset weather in januaryCity of Cohasset weather in februaryCity of Cohasset weather in marchCity of Cohasset weather in aprilCity of Cohasset weather in mayCity of Cohasset weather in juneCity of Cohasset weather in julyCity of Cohasset weather in augustCity of Cohasset weather in septemberCity of Cohasset weather in octoberCity of Cohasset weather in novemberCity of Cohasset weather in december

Best time to visit City of Cohasset:

The best time to visit City of Cohasset during the most sunny months:

  • May — 11.1(h)
  • June — 12.4(h)
  • July — 12.9(h)
  • August — 10.7(h)

Months with the longest average daylight duration in City of Cohasset:

  • June — 15.9(h)
  • July — 15.5(h)

The largest precipitation sum in City of Cohasset is at

  • April — 75(mm)
  • June — 70(mm)
  • September — 97(mm)
  • December — 67(mm)

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    Frequently asked questions

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