Weather in Monterrey in September

General weather information about Monterrey

Average annual temperature is 25.5 °C

Absolute maximum temperature: 41.0 °C

Absolute minimum temperature: 11.2 °C

Number of sunny days: 160 days

Number of rainy days: 205 days

Look at detailed online map of Monterrey

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

Monterrey air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)33.535.337.138.341.039.335.434.532.532.632.633.3
Average daytime temperature (°C)31.332.834.736.436.734.931.531.230.430.029.429.7
Average temperature (°C)24.024.527.028.728.727.825.125.224.724.323.422.9
Average night temperature (°C)18.017.920.521.722.322.420.620.720.720.219.117.4
Absolute minimum temperature (°C)14.712.617.920.320.519.618.718.919.217.915.111.2

Monterrey monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)11.011.012.012.013.013.013.012.012.011.011.011.0
Daylight mean duration (h)11.311.612.012.512.913.113.012.712.211.811.411.2
Daylight minimum duration (h)11.011.011.012.012.013.012.012.012.011.011.011.0
Sunshine mean duration (h)10.410.711.011.511.511.110.210.010.310.19.610.0
Precipitation (mm)322096213316616410580267
Sunny days2425172114935411522
Rainy days73149172128262630159
Snow days000000000000

Best time to visit Monterrey:

The largest precipitation sum in Monterrey is at

  • June — 133(mm)
  • July — 166(mm)
  • August — 164(mm)
  • September — 105(mm)
  • Frequently asked questions

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