The weather in September in Oklahoma City

It's hot in September in Oklahoma City with an average temperature of 31°C. Temperatures this month range from a low of 28°C to a high of 34°C. At night, you can expect temperatures between 16°C and 23°C.

September is a good month to be in Oklahoma City for sunny weather. You’ll have high temperatures and not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Oklahoma City, Oklahoma. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 40°C in 2023, Oklahoma City reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 13°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 26°C.

Rainfall amount

In September, there is an average of 79 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the Southeast.

Daily weather in September for Oklahoma City

Click on any day in September to get detailed info about the usual weather on that day in Oklahoma City. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Oklahoma City New York
Average temperature 31°C 27°C
Max. temperature 34°C 31°C
Min. temperature 16°C -5°C
Total precipitation 79 mm 57 mm
Rainy days 11 days 9 days

Start of September

The month of September starts in Oklahoma City with hot temps, averaging around 33°C during the day and nights around 22°C.

Mid September

By mid-September, daytime temps drop to around 31°C, with nights around 20°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of September

By the end of September, the average daytime temperature in Oklahoma City is around 30°C, while nighttime temps are about 19°C. A shower might pop up, but overall, the weather will be dry and sunny.

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UV index

The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of Oklahoma City for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in Oklahoma City, Oklahoma. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Oklahoma City

Temperature in September in Oklahoma City over the years

Precipitation charts

These charts show the average amount of precipitation in September in Oklahoma City, Oklahoma. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Oklahoma City

Total precipitation in September in Oklahoma City over the years

Daily UV index in September in Oklahoma City

This chart shows the average daily UV index in September in Oklahoma City, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Oklahoma City

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Average weather in Oklahoma City by month

Click on a month below to see detailed weather info for Oklahoma City. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.