Weather in City of Santa Monica in September

General weather information about City of Santa Monica

Average annual temperature is 16.6 °C

Absolute maximum temperature: 35.0 °C

Absolute minimum temperature: 2.0 °C

Number of sunny days: 257 days

Number of rainy days: 108 days

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

City of Santa Monica air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)20.626.222.729.524.325.035.033.134.634.130.228.3
Average daytime temperature (°C)16.217.916.220.220.222.029.428.825.927.124.020.7
Average temperature (°C)11.411.611.914.815.917.622.022.620.719.816.514.2
Average night temperature (°C)7.87.18.610.612.814.116.617.816.914.010.89.6
Absolute minimum temperature (°C)3.32.04.86.08.711.813.315.413.69.97.35.2

City of Santa Monica monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.211.012.013.013.914.414.213.412.411.310.49.9
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)6.48.28.010.29.99.912.110.78.910.18.97.2
Precipitation (mm)276107205124808123214120
Sunny days161812261617312719282225
Rainy days151019415130411386
Snow days000000000000

City of Santa Monica - weather forecast by months

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

Best time to visit City of Santa Monica:

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

  • July — 12.1(h)

The largest precipitation sum in City of Santa Monica is at

  • January — 276(mm)
  • February — 107(mm)
  • March — 205(mm)
  • December — 120(mm)

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    Frequently asked questions

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