September in Denton averages a daily high of 31.7°C with nights around 19.7°C. Expect roughly 4.9 wet days totalling 61.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Denton is March–April.
Based on DENTON 2 SE, TX US (3.1km), 1995–2024. 30 years of September data.