Weather in Oklahoma in September

General weather information about Oklahoma

Average annual temperature is 13.5 °C

Absolute maximum temperature: 36.0 °C

Absolute minimum temperature: -10.6 °C

Number of sunny days: 175 days

Number of rainy days: 188 days

Number of snow days: 2 days

Look at detailed online map of Oklahoma

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

Oklahoma air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.121.323.029.028.533.334.933.536.027.522.317.1
Average daytime temperature (°C)8.810.611.720.422.226.731.029.325.619.912.39.4
Average temperature (°C)4.95.36.013.915.820.324.723.720.114.57.05.1
Average night temperature (°C)1.90.91.28.610.015.020.219.115.710.33.02.0
Absolute minimum temperature (°C)-3.2-10.6-5.80.93.510.918.215.210.14.2-5.9-3.8

Oklahoma monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.810.712.013.214.314.914.613.712.511.210.09.4
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.96.97.59.411.010.511.610.88.48.67.75.1
Precipitation (mm)83517312235130136561625665144
Sunny days12151416161251215172318
Rainy days19131614151826191514712
Snow days001000000001

Oklahoma - weather forecast by months

Oklahoma weather in januaryOklahoma weather in februaryOklahoma weather in marchOklahoma weather in aprilOklahoma weather in mayOklahoma weather in juneOklahoma weather in julyOklahoma weather in augustOklahoma weather in septemberOklahoma weather in octoberOklahoma weather in novemberOklahoma weather in december

Best time to visit Oklahoma:

The best time to visit Oklahoma during the most sunny months:

  • May — 11.0(h)
  • July — 11.6(h)
  • August — 10.8(h)

The largest precipitation sum in Oklahoma is at

  • April — 122(mm)
  • June — 130(mm)
  • July — 136(mm)
  • September — 162(mm)
  • December — 144(mm)

    • Weather forecast in the closest to Oklahoma admin centers

    Weather forecast in the closest towns to Oklahoma

    Explore Oklahoma

    See also
    MapTrains schedule
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    Frequently asked questions

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