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United StatesThe weather in September in Dallas
It's hot in September in Dallas with an average temperature of 33°C. Temperatures this month range from a low of 30°C to a high of 35°C. At night, you can expect temperatures between 20°C and 25°C.
September is a good month to be in Dallas 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 Dallas, Texas. 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 43°C in 2023, Dallas reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 20°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 12°C to a highest value of 30°C.
Rainfall amount
In September, there is an average of 62 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in September for Dallas
Click on any day in September to get detailed info about the usual weather on that day in Dallas. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Dallas | New York | |
|---|---|---|
| Average temperature | 33°C | 27°C |
| Max. temperature | 35°C | 31°C |
| Min. temperature | 20°C | -5°C |
| Total precipitation | 62 mm | 57 mm |
| Rainy days | 9 days | 9 days |
Start of September
The month of September starts in Dallas with hot temps, averaging around 35°C during the day and nights around 25°C.
Mid September
By mid-September, daytime temps drop to around 33°C, with nights around 23°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 Dallas is around 32°C, while nighttime temps are about 22°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.
The hurricane season in Dallas runs from June to November.
Check out the climate of Dallas for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Dallas, Texas. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Dallas
Temperature in September in Dallas over the years
Precipitation charts
These charts show the average amount of precipitation in September in Dallas, Texas. 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 Dallas
Total precipitation in September in Dallas over the years
Daily UV index in September in Dallas
This chart shows the average daily UV index in September in Dallas, 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 Dallas
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Average weather in Dallas by month
Click on a month below to see detailed weather info for Dallas. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.