Dallas weather

Our guide to the weather in Dallas during September

32

Average high

6

UV Index

148mm

Monthly rainfall

60%

Humidity

We've looked at the most up-to-date weather data for Dallas, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Dallas weather in September.

How hot is it in Dallas during September?

The temperature reaches around 32℃ during the daytime in September, falling away to 23℃ at night. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Dallas during September?

On average, there will be 6 rainy days during the month, amounting to 148.2mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Dallas during September?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in September. With moderate humidity, any breeze will have a welcome cooling effect.

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Dallas Blog posts

From the UK's most popular travel bloggers

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25 things to do in Dallas, Texas

9th February 2021 by Two Monkey's Travel

Dallas, Texas, they say big things happen here, and they have indeed. Dallas is the ninth most populous city in the US and is known for its cotton, cattle, and oil. It is also where President John F. Kennedy was assassinated, so you can know where he was shot and where his assassin was. It’s also big in diversity as lots of many ethnicities are living here; mainly Hispanic, Blacks and Asians, plus it also has a thriving LGBT community....

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How to spend a weekend in Dallas

10th January 2020 by PommieTravels

If you plan on spending some time in Dallas you’ll want to get as much done as you can. You will want to see all of the sights and do all of those touristy things. However, if you are only going to be spending a weekend in Dallas you might feel limited as to what you can do.  The good news is this article will help you to enjoy your whole weekend in Dallas, ensuring you don’t feel like you’ve missed out on anything. ...

Weather in Dallas

Our month-by-month guide to the weather and climate in Dallas

13.0

Dallas weather in

January
14.2

Dallas weather in

February
19.9

Dallas weather in

March
23.8

Dallas weather in

April
28.3

Dallas weather in

May
33.5

Dallas weather in

June
35.7

Dallas weather in

July
36.1

Dallas weather in

August
32.1

Dallas weather in

September
25.9

Dallas weather in

October
19.0

Dallas weather in

November
14.3

Dallas weather in

December