Temperatures in September
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.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Oklahoma City in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Oklahoma City with hot temperatures, averaging around 33°C during the day and nights close to 22°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-September
By mid-September, the average daytime temperature drops to around 31°C, with nights close to 20°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers.
End of September
By the end of September, the average daytime temperature in Oklahoma City will be around 30°C, with nights close to 19°C. A shower might show up, but overall the weather will be dry and sunny.
As it gets cooler in the evening, it’s best to wear layers.
Discover cheap trips to Oklahoma City 
Precipitation in September
In September, there is an average of 79 mm of precipitation, spread over 5 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
The precipitation chance averages 18% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Oklahoma City. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Oklahoma City in September |
London | ||
|---|---|---|---|
 Average Temperature |
31°C | 20°C | |
 High Temp |
34°C | 22°C | |
| Low Temp |
28°C | 17°C | |
 Total Precipitation |
79 mm | 44 mm | |
| Rainy Days |
5 days | 8 days | |
August
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.
Is September a good time to visit Oklahoma City?
September is a great month to be in Oklahoma City for sunny weather. You’ll get high temperatures and not too much rain this month.
Temperature records for Oklahoma City in September
With 40°C, Oklahoma City hit the highest temperature in the last 10 years in September 2023. The lowest daytime temperature in this month was 13°C in 2020. The extreme night temperatures ranged from a low of 6°C to a high of 26°C.
Check out the climate of Oklahoma City for all months and discover the best travel time
Plan your next holiday
Don’t miss the best holiday deals for Oklahoma City and see what our partners have for you.
Daily Temperature in September in Oklahoma City
This chart shows the average daily temperatures, both day and night, for each day in September in Oklahoma City, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Oklahoma City
The chart below shows the average daily precipitation in September for Oklahoma City, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 5 days of rain in Oklahoma City.
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.
Temperature in September in Oklahoma City Over the Years
This chart shows the average temperature in September in Oklahoma City, measured in degrees Celsius, over the past years.
Total Precipitation in September in Oklahoma City Over the Years
This chart shows the average precipitation in September in Oklahoma City, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Oklahoma City
Click on a specific day in September for detailed info on the typical weather on that day in Oklahoma City. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Oklahoma City
Have you been to Oklahoma City in September?
Share your weather experience in September in Oklahoma City.
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.
Or check out the climate of Oklahoma City for all months at once
