Weather in Dallas in September 2024
Average weather
Average temperature in Dallas in September
The temperature in September is +91°F on average, with a range between a maximum of +99°F during the day and a minimum of +59°F at night.
The average maximum temperature goes down 14% by the end of the month, compared with the beginning of the month, from +86°F to +81°F.
Is Dallas warm or cold in September?
Dallas is typically hot in September.
Maximum temperatures go up compared to the previous month from +95°F to +90°F. The minimum temperature also goes down from +77°F to +70°F.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
Take a look at how September is compared to other months in Dallas:
Climate in Dallas in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +95°F | +90°F | +79°F | ||||
| Min. temperature | ||||||
| +57°F | +43°F | +28°F | ||||
| Max. temperature | ||||||
| +109°F | +109°F | +97°F | ||||
| Rainfall | ||||||
| 55 mm | 63 mm | 92 mm | ||||
| Wind | ||||||
| 3 m/s | 2 m/s | 3 m/s | ||||
| Humidity | ||||||
| 57% | 61% | 63% | ||||
| Air pressure | ||||||
| 1013 HPa | 1014 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 12 | 12 | 12 | ||||
| Cloudy days | ||||||
| 15 | 14 | 13 | ||||
| Rainy days | ||||||
| 4 | 4 | 6 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September often has better weather than August. It’s getting colder in September. From +95°F in the day, the average maximum temperature lowers to +90°F. Prepare for more rain. Average rainfall goes from 55 mm to 63 mm. Humidity rises from 57% to 61%. Winds are calmer in comparison to August, going down from 3 m/s to 2 m/s on average. The amount of sunny days stay about the same, averaging 12 sunny days during the month.
October brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Dallas is gradually increasing during September, going from 2 m/s to 3 m/s over the course of the month.
Rain
How was the weather last September in Dallas?
Climate Change Over the Years
The climate in Dallas in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1991 (+85°F) and the highest in 2019 (+98°F). The driest year was 2011 with only 9 mm of rainfall, and the wettest year was 2020 with 431 mm.
FAQ
Is September a good time to visit Dallas?
Can you sunbathe in Dallas in September?
Is Dallas rainy in September?
Is it sunny in Dallas in September?
Other cities in USA
Monthly weather in Dallas
Source of the data
For this page, we’ve looked at the typical weather in Dallas, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.