Weather in San Bruno in September

General weather information about San Bruno

Average annual temperature is 25.1 °C

Absolute maximum temperature: 41.7 °C

Absolute minimum temperature: 7.5 °C

Number of sunny days: 342 days

Number of rainy days: 23 days

Look at detailed online map of San Bruno

* Weather data for San Bruno Mexico is based on climate observations for 2026 year

San Bruno air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)27.125.129.735.234.240.041.740.539.836.934.328.6
Average daytime temperature (°C)21.420.724.729.130.035.137.937.135.932.327.624.4
Average temperature (°C)16.716.319.923.425.030.534.333.131.427.723.119.5
Average night temperature (°C)12.212.215.217.319.025.330.228.926.423.118.614.8
Absolute minimum temperature (°C)7.59.09.611.414.318.127.422.522.418.113.411.9

San Bruno monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.013.013.013.013.012.011.011.010.0
Daylight mean duration (h)10.611.212.012.813.513.813.713.112.311.510.810.5
Daylight minimum duration (h)10.010.011.012.013.013.013.012.011.011.010.010.0
Sunshine mean duration (h)9.19.410.511.912.212.412.711.711.310.58.89.0
Precipitation (mm)011500005422010
Sunny days302328303130282528312830
Rainy days153000362021
Snow days000000000000

Best time to visit San Bruno:

The largest precipitation sum in San Bruno is at

  • February — 11(mm)
  • August — 54(mm)
  • September — 22(mm)
  • Frequently asked questions

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