Early autumn · Weather & things to do
Dallas in September
Dallas cools off: highs slip to 90°F (32°C), from 97°F in August, with lows of 68°F (20°C) and about 3.0 in (77 mm) of rain.
Our comfort score puts it mid-table at 73/100, 9th of 12.
- Avg high
- 90°F (32°C)
- Avg low
- 68°F (20°C)
- Rain
- 3.0 in (77 mm)
- Humidity
- 63%
- Cloud cover
- 38%
- Daylight
- ~12 h 11 min
- Comfort score
- 73/100 · Good
What September feels like
Expect proper heat: afternoons average 90°F (32°C), so plan walking and hiking for the morning and save midday for shade, lunch or a swim.
After dark, temperatures fall to about 68°F (20°C).
Some rain is likely, about 3.0 in (77 mm) in the month, so pack for a shower or two.
Plan around September
September sits mid-table; the best months are March & April and October & November.
- Comfort improves from 58/100 in August to 73/100.
- Our Texas BBQ Trail route recommends Oct – Apr, so September falls outside its suggested window.
What to pack for September
- Light, breathable clothes90°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- Refillable water bottleeasy to dehydrate in the heat
- Packable rain jacket or umbrellaabout 3.0 in of rain
- Comfortable walking shoesmost picks involve some walking
What to do in Dallas in September
Start early and take shelter at midday: the picks below pair morning outings with places to cool off.
Klyde Warren Park
Deck park over a freeway with food trucks, lawn games and skyline views.
Why now September scores 73/100 for comfort, good conditions for being outside.
Westlake Brewing Company
Deep Ellum taproom in a 1940s building with a big patio, house brews and flatbreads.
Why now Highs near 90°F and 3.0 in of monthly rain make this an easy outdoor pick.
Cattleack Barbeque
Farmers Branch pitmaster spot with some of the best brisket in North Texas.
Why now A break from 90°F afternoons.
Reunion Tower GeO-Deck
Observation deck 470 feet up with 360-degree city views.
Pecan Lodge
Deep Ellum smokehouse known for brisket, beef ribs and the Hot Mess sweet potato.
Why now Somewhere to sit out the hottest hours.
Nearby in September
- Wichita Mountains in September~175 mi · highs 85°F, 3.0 in rain · 2°C (4°F) cooler by day, about as wet
- Austin in September~182 mi · highs 90°F, 3.4 in rain · similar daytime temperatures, about as wet
- Oklahoma City in September~190 mi · highs 85°F, 3.0 in rain · 3°C (5°F) cooler by day, about as wet
- Lake Hefner in September~198 mi · highs 85°F, 3.0 in rain · 3°C (5°F) cooler by day, about as wet
These averages also cover Bishop Arts District and Downtown Dallas & Reunion Tower.
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Dallas in September: quick answers
Is September a good time to visit Dallas?
It's middling, scoring 73/100. The best months are March & April and October & November, at up to 93. Expect highs of 90°F (32°C) and 3.0 in (77 mm) of rain. Our Texas BBQ Trail route recommends Oct – Apr, so September is outside its suggested window.
How hot is Dallas in September?
Average highs are 90°F (32°C) and average lows 68°F (20°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Dallas in September?
Some: about 3.0 in (77 mm) of rain falls across September on average, the 6th-wettest month of the year. The annual total is about 36.3 in (922 mm).
What should I pack for Dallas in September?
Bring light, breathable clothes (90°F afternoons), sunscreen, sunglasses and a hat (strong sun this month), refillable water bottle (easy to dehydrate in the heat), packable rain jacket or umbrella (about 3.0 in of rain) and comfortable walking shoes (most picks involve some walking).
Planning Dallas in September?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.