Dallas Weather in September
United States · 30-year monthly averages
🤔 Fair time to visit
September in Dallas is hot, with average daytime highs around 32°C (90°F) and nighttime lows near 21°C (70°F). Expect roughly 79mm of precipitation spread over about 5 rainy days, with a moderate amount of rain.
Avg high
32°C
90°F
Avg low
21°C
70°F
Rainfall
79mm
moderate
Rainy days
5
days with ≥1mm
🎒 What to pack
- breathable summer clothing
- sunscreen, hat and sunglasses
- refillable water bottle
September vs the rest of the year
FAQ
- How hot is Dallas in September?
- September in Dallas is hot, with average daytime highs around 32°C (90°F) and nighttime lows near 21°C (70°F). Expect roughly 79mm of precipitation spread over about 5 rainy days, with a moderate amount of rain.
- Does it rain a lot in Dallas in September?
- Dallas sees around 79mm of precipitation in September on average — moderate by global standards.
- Is September a good time to visit Dallas?
- September is a workable month to visit Dallas, but expect some weather trade-offs.