September weather forecast
Alabama, USA

September in Alabama introduces the early whispers of autumn, gradually breaking away from the intense summer heat. Throughout the state, temperatures start to exhibit a downward trend, though the warmth of summer can linger, especially in the earlier parts of the month.

Central Alabama experiences a perceptible decline in daytime temperatures compared to August, offering a more comfortable atmosphere for outdoor activities. Nights begin to cool, presenting a noticeable contrast to the balmy nights of the previous months. Coastal areas, continuously influenced by the Gulf, see a reduction in humidity levels, leading to nights that are less muggy and more pleasant.

Rainfall in September can be varied. While afternoon thunderstorms can still materialize, their frequency diminishes. However, September remains within the hurricane season, which means that the potential for tropical systems from the Gulf of Mexico persists. These systems can result in extended periods of rainfall, coupled with gusty winds, particularly affecting the southern portions of Alabama.

The average high temperatures are in the hot range of 82°F (27.8°C) to 88°F (31.1°C), while the average low temperatures are in the comfortable range of 59°F (15°C) to 68°F (20°C). Southern Alabama and the Gulf coast register day highs above 88°F (31.1°C) for the majority of September, with a significant decrease in precipitation.

With the arrival of September, there's a gradual transition in the weather patterns. It serves as a bridge between the high temperatures of August and the cooler embrace of October. Places like Valley Head, known for their cooler inclinations, start to display early signs of autumn, especially during the nighttime. As the month concludes, Alabama anticipates the more definitive arrival of autumn, with October bringing a clearer shift towards cooler and more moderate conditions.

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• Birmingham - September »
  In Birmingham during September, the rain falls for 12.1 days and regularly aggregates up to 1.1" (28mm) of precipitation. On the first day of September in Birmingham, Alabama, sunrise is at 6:21 am and sunset at 7:13 pm.
• Montgomery - September »
  The month with the least rainfall in Montgomery is September, when the rain falls for 12.8 days and typically collects 1.22" (31mm) of precipitation. In Montgomery during September, the rain falls for 12.8 days and regularly aggregates up to 1.22" (31mm) of precipitation.
• Mobile - September »
  On the first day of September in Mobile sunrise is at 6:28 am and sunset at 7:15 pm. In Mobile in September, it is raining for 17.7 days, with typically 3.46" (88mm) of accumulated precipitation.
• Huntsville - September »
  The month with the least rainfall in Huntsville is September, when the rain falls for 13.8 days and typically collects 2.17" (55mm) of precipitation. In Huntsville, in September, during 13.8 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.
• Tuscaloosa - September »
  As September rolls in, Tuscaloosa, Alabama starts to experience a gradual cool down from the summer heat. The arrival of September in Tuscaloosa coincides with an average high-temperature of a still hot 86.4°F (30.2°C), indicating a minimal shift from August's 91°F (32.8°C).
• Hoover - September »
  In Hoover in September, it is raining for 11.8 days, with typically 1.06" (27mm) of accumulated precipitation. The onset of September in Hoover notes an average high-temperature of a moderately hot 85.1°F (29.5°C), subtly shifted from August's 90.1°F (32.3°C).
• Dothan - September »
  The average heat index, which factors the actual air temperature with the relative humidity, in September is appraised at 98.6°F (37°C). In Dothan in September, during 15.6 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.
• Decatur - September »
  September and November are months with the least rain in Decatur when the rain falls for 13.8 days and typically aggregates up to 2.48" (63mm) of rain. September and November are months with the least rain in Decatur when the rain falls for 13.8 days and typically aggregates up to 2.48" (63mm) of rain.
• Auburn - September »
  The month with the least rainfall in Auburn is September, when the rain falls for 14.9 days and typically collects 2.17" (55mm) of precipitation. September brings a decrease in humidity and a slight drop in temperature in Auburn.
• Madison - September »
  The month with the least rainfall in Madison is September, when the rain falls for 11.5 days and typically collects 1.1" (28mm) of precipitation. In Madison, in September, during 11.5 rainfall days, 1.1" (28mm) of precipitation is typically accumulated.
• Florence - September »
  Compared to the intense heat of August, September brings a refreshing coolness, blanketing Florence with a soothing ambiance. In Florence in September, it is raining for 14.2 days, with typically 2.68" (68mm) of accumulated precipitation.
• Gadsden - September »
  The months with the least rainfall in Gadsden are September and October Rain falls for 13.5 days and accumulates 2.4" (61mm) of rain. September and October are months with the least rain in Gadsden when the rain falls for 13.5 days and typically aggregates up to 2.4" (61mm) of rain.