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United StatesThe weather in September in Dempsey
It's hot in September in Dempsey with an average temperature of 30°C. Temperatures this month range from a low of 28°C to a high of 34°C. At night, you can expect temperatures between 15°C and 21°C.
September is a good month to be in Dempsey 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 Dempsey, 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, Dempsey reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 8°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 24°C.
Rainfall amount
In September, there is an average of 45 mm of precipitation, spread over 8 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in September for Dempsey
Click on any day in September to get detailed info about the usual weather on that day in Dempsey. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Dempsey | New York | |
|---|---|---|
| Average temperature | 30°C | 27°C |
| Max. temperature | 34°C | 31°C |
| Min. temperature | 15°C | -5°C |
| Total precipitation | 45 mm | 57 mm |
| Rainy days | 8 days | 9 days |
Start of September
The month of September starts in Dempsey with hot temps, averaging around 32°C during the day and nights around 20°C.
Mid September
By mid-September, daytime temps drop to around 30°C, with nights around 19°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of September
By the end of September, the average daytime temperature in Dempsey is around 30°C, while nighttime temps are about 17°C. A shower might pop up, but overall, the weather will be dry and sunny.
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Dempsey for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Dempsey, Oklahoma. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Dempsey
Temperature in September in Dempsey over the years
Precipitation charts
These charts show the average amount of precipitation in September in Dempsey, 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 Dempsey
Total precipitation in September in Dempsey over the years
Daily UV index in September in Dempsey
This chart shows the average daily UV index in September in Dempsey, 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 Dempsey
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Average weather in Dempsey by month
Click on a month below to see detailed weather info for Dempsey. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.