September weather forecast
Tennessee, USA

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Flag of Tennessee, USA

Weather in September

September in Tennessee heralds the advent of fall, introducing a reprieve from the hot, humid summer months. Average high temperatures generally lie between 75°F (23.9°C) and 87°F (30.6°C), while lows oscillate from 55°F (12.8°C) to 65°F (18.3°C). Cities like Memphis and Nashville in the western and central portions of the state often experience the delayed onset of autumnal coolness.

Precipitation in September decreases compared to the wetter spring and summer months, making it one of the drier periods of the year. The month tends to be less humid, and rain, when it occurs, is often lighter and less frequent. Eastern highlands experience a more noticeable drop in temperature and begin to showcase early signs of fall foliage.

September represents a noticeable shift from the hot conditions of August. The month brings cooler nights and milder days, particularly in the latter half. The oppressive humidity of the summer wanes, giving way to more comfortable outdoor conditions. Though September may still offer a few hot days, particularly in the early part, the general trend is toward cooling, setting the stage for the full arrival of autumn in October.

  • Nashville - September »
    In September, the rain falls for 13.4 days. In Nashville, in September, it is raining for 13.4 days, with typically 2.01" (51mm) of accumulated precipitation.
  • Memphis - September »
    The month with the least rainfall in Memphis is September, when the rain falls for 8.2 days and typically collects 0.43" (11mm) of precipitation. In Memphis in September, during 8.2 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.
  • Knoxville - September »
    The month with the least rainfall in Knoxville is September, when the rain falls for 11.3 days and typically collects 1.5" (38mm) of precipitation. The month with the least rainfall in Knoxville is September, when the rain falls for 11.3 days and typically collects 1.5" (38mm) of precipitation.
  • Chattanooga - September »
    The month with the least rainfall in Chattanooga is September, when the rain falls for 12.5 days and typically collects 2.56" (65mm) of precipitation. Chattanooga in September experiences a gentle temperature dip, with average high-temperatures reducing from a tropical 87.3°F (30.7°C) in August to a warm 81.9°F (27.7°C).
  • Clarksville - September »
    The month with the least rainfall in Clarksville is September, when the rain falls for 13.6 days and typically collects 1.93" (49mm) of precipitation. The month with the least rainfall in Clarksville is September, when the rain falls for 13.6 days and typically collects 1.93" (49mm) of precipitation.
  • Murfreesboro - September »
    September temperatures in Murfreesboro vary between a high-temperature of 81.5°F (27.5°C) and a low-temperature of 61.9°F (16.6°C). In Murfreesboro, during September, the rain falls for 8 days and regularly aggregates up to 0.39" (10mm) of precipitation.
  • Franklin - September »
    The months with the least rainfall in Franklin are September and November Rain falls for 13.6 days and accumulates 2.36" (60mm) of rain. Franklin in September experiences a gentle temperature dip, with average high-temperatures reducing from a hot 87.3°F (30.7°C) in August to a moderately hot 81.5°F (27.5°C).
  • Jackson - September »
    In Jackson in September, it is raining for 8.9 days, with typically 0.67" (17mm) of accumulated precipitation. September welcomes the autumn season in Jackson, Tennessee, featuring a gradually cooling temperature with highs resting at 82.9°F (28.3°C).
  • Johnson City - September »
    The month with the least rainfall in Johnson City, Tennessee, is September, when the rain falls for 15.5 days and typically collects 1.77" (45mm) of precipitation. The month with the least rainfall in Johnson City is September, when the rain falls for 15.5 days and typically collects 1.77" (45mm) of precipitation.
  • Bartlett - September »
    On the first day of September in Bartlett, Tennessee, sunrise is at 6:32 am and sunset at 7:26 pm. On the last day of September, in Bartlett, sunrise is at 6:53 am and sunset at 6:45 pm CDT.
  • Hendersonville - September »
    The month with the least rainfall in Hendersonville is September, when the rain falls for 14.6 days and typically collects 2.36" (60mm) of precipitation. In Hendersonville, Tennessee, during September, the rain falls for 14.6 days and regularly aggregates up to 2.36" (60mm) of precipitation.
  • Kingsport - September »
    The months with the lowest humidity in Kingsport, Tennessee, are July through September and November, with an average relative humidity of 74%. The months with the lowest humidity in Kingsport, Tennessee, are July through September and November, with an average relative humidity of 74%.
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Tennessee, USA

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