Weather in Mountain View in September

General weather information about Mountain View

Average annual temperature is 12.9 °C

Absolute maximum temperature: 34.5 °C

Absolute minimum temperature: -10.8 °C

Number of sunny days: 175 days

Number of rainy days: 184 days

Number of snow days: 6 days

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* Weather data for Mountain View United States is based on climate observations for 2026 year

Mountain View air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.419.420.630.330.434.534.332.733.827.221.716.1
Average daytime temperature (°C)7.910.010.819.922.826.730.428.524.319.311.48.5
Average temperature (°C)4.04.05.113.115.820.424.723.019.414.16.14.5
Average night temperature (°C)1.1-0.50.57.69.315.019.918.415.39.92.21.4
Absolute minimum temperature (°C)-4.2-10.8-5.70.63.211.317.114.710.02.9-5.4-3.6

Mountain View monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.710.711.913.314.415.014.713.712.511.110.09.4
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.76.87.49.111.310.512.210.68.58.07.53.9
Precipitation (mm)894172129171151101321315459110
Sunny days12161217181271215192015
Rainy days19101713131824191512915
Snow days022000000011

Mountain View - weather forecast by months

Mountain View weather in januaryMountain View weather in februaryMountain View weather in marchMountain View weather in aprilMountain View weather in mayMountain View weather in juneMountain View weather in julyMountain View weather in augustMountain View weather in septemberMountain View weather in octoberMountain View weather in novemberMountain View weather in december

Best time to visit Mountain View:

The best time to visit Mountain View during the most sunny months:

  • May — 11.3(h)
  • July — 12.2(h)
  • August — 10.6(h)

The largest precipitation sum in Mountain View is at

  • April — 129(mm)
  • June — 115(mm)
  • August — 132(mm)
  • September — 131(mm)

    • Weather forecast in the closest to Mountain View admin centers

    Weather forecast in the closest towns to Mountain View

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    Frequently asked questions

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