September weather forecast
Texas, USA

September marks the gradual transition from the intense summer to the more temperate fall in Texas. In the northern areas, such as Seminole, the influence of the upcoming fall becomes gradually noticeable. Mornings commence with a cooler 65°F, and while afternoons can still be warm, temperatures usually peak around 90°F.

Central Texas, with its vast terrains, starts to witness a reprieve from the relentless heat of the preceding months. Dawn temperatures typically rest at about 75°F, and by midday, it's common for the mercury to reach the high 90s°F. The southeastern coastal stretch, influenced by the Gulf of Mexico, experiences a temperature spectrum from 78°F in the mornings to highs of about 95°F. However, the drop in temperature also means a decrease in the oppressive humidity that characterizes the peak summer months.

September sees increased chances of rain, particularly in the eastern parts of the state. These showers, while more frequent than the summer months, tend to be moderate and are interspersed with clear days. Thunderstorms, while less intense than in the peak summer, can still be witnessed, providing brief respite from any lingering heat.

Moving from August to September, Texas begins to cool down, signaling the slow retreat of summer. While the start of September can still feel much like the tail end of summer, the month's progression brings with it the promise of cooler days. As September draws to a close and October emerges on the horizon, Texas readies itself for the more consistent cooler temperatures and the charm of the fall season.

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• Houston - September »
  The month with the most rainfall in Houston is September, when the rain falls for 19.5 days and typically aggregates up to 4.49" of precipitation. September brings respite to Houston in the form of a decrease in temperatures and relative humidity, enhancing the appeal of outdoor activities.
• San Antonio - September »
  With September, San Antonio transitions from the intense summer heat to relatively cooler days. In San Antonio, Texas, during September, the rain falls for 17 days and regularly aggregates up to 3.39" of precipitation.
• Dallas - September »
  On the first day of September in Dallas, Texas, sunrise is at 7:01 am and sunset at 7:52 pm. The average heat index, which factors the actual air temperature with the relative humidity, in September is appraised at 95°F.
• Austin - September »
  With the commencement of September, Austin records a moderate temperature decline, with the average high easing from August's sweltering 96.4°F to a hot 88.2°F. In Austin, during September, the rain falls for 15.1 days and regularly aggregates up to 2.52" of precipitation.
• Fort Worth - September »
  In Fort Worth, Texas, the average relative humidity in September is 64%. In Fort Worth the average relative humidity in September is 64%.
• El Paso - September »
  In September, in El Paso the rain falls for 10.2 days. On the last day of September, in El Paso, sunrise is at 6:59 am and sunset at 6:52 pm MDT.
• Arlington - September »
  On the first day of September in Arlington, sunrise is at 7:03 am and sunset at 7:53 pm. In Arlington, in September, it is raining for 14.4 days, with typically 2.64" of accumulated precipitation.
• Corpus Christi - September »
  The month with the most rainfall in Corpus Christi is September, when the rain falls for 15 days and typically aggregates up to 2.05" of precipitation. The month with the most rainfall in Corpus Christi, Texas, is September, when the rain falls for 15 days and typically aggregates up to 2.05" of precipitation.
• Plano - September »
  In Plano, Texas, during September, the rain falls for 14.5 days and regularly aggregates up to 2.76" of precipitation. With September, Plano witnesses the gradual slowdown of summer heat, exhibiting temperatures from 70°F to 87.6°F.
• Laredo - September »
  In Laredo during September, the rain falls for 12.9 days and regularly aggregates up to 2.17" of precipitation. September in Laredo is marked by a minor respite from the summer heat and a pronounced spike in rainfall.
• Lubbock - September »
  The month with the most rainfall in Lubbock is September, when the rain falls for 12.8 days and typically aggregates up to 2.36" of precipitation. In Lubbock during September, the rain falls for 12.8 days and regularly aggregates up to 2.36" of precipitation.
• Garland - September »
  In Garland in September, it is raining for 13.8 days, with typically 1.77" of accumulated precipitation. In Garland, Texas, the average relative humidity in September is 64%.