September weather forecast
Mississippi, USA

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Flag of Mississippi, USA
Flag of Mississippi, USA

Weather in September

September in Mississippi marks the beginning of a transition from the hot and humid summer to the more temperate and comfortable autumn season. The average low temperatures in the northern regions are around 62°F (16.7°C), and the southern areas are gradually cooling as well. September typically sees a reduction in humidity, leading to more comfortable days and nights, but the remnants of summer's heat can still be felt.

The shift from August's oppressive conditions to September's more moderate weather is a welcome change across the state. The influence of tropical air starts to wane, and the frequency of thunderstorms decreases. Tropical cyclones may still affect the area, particularly in the early part of the month.

September's temperatures usually vary from 62°F (16.7°C) in the northern parts to warmer readings in the south. The gradual decrease in both temperature and humidity from August to September heralds the beginning of autumn, offering a respite from the stifling summer months.

Rainfall in September starts to decline, with the fall season yielding between 8" (203mm) to 13" (330mm) of rain, making it favorable for the harvesting of crops. The landscapes begin to show the first signs of autumn's influence, with the greenery slowly giving way to more varied hues. September's weather in Mississippi represents a transitional period, as the state moves from the intensity of summer towards the more pleasant and enjoyable conditions of autumn, with its cooler temperatures and reduced humidity.

  • Jackson - September »
    September signifies a transition phase in Jackson, Mississippi's climate, bringing the onset of early fall. In Jackson, in September, it is raining for 11.9 days, with typically 1.89" (48mm) of accumulated precipitation.
  • Gulfport - September »
    In Gulfport, during September, the rain falls for 19.6 days and regularly aggregates up to 4.06" (103mm) of precipitation. In Gulfport, during September, the rain falls for 19.6 days and regularly aggregates up to 4.06" (103mm) of precipitation.
  • Southaven - September »
  • Hattiesburg - September »
    In Hattiesburg during September, the rain falls for 17.5 days and regularly aggregates up to 2.91" (74mm) of precipitation. On the first day of September in Hattiesburg, sunrise is at 6:33 am and sunset at 7:21 pm.
  • Biloxi - September »
    In Biloxi in September, the average water temperature is 83.1°F (28.4°C). In September, in Biloxi the rain falls for 19.2 days.
  • Meridian - September »
    The average relative humidity in September in Meridian is 74%. In Meridian the average sunshine duration in September is 9.1h.
  • Tupelo - September »
    In Tupelo in September, during 11.5 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. On the first day of September in Tupelo, Mississippi, sunrise is at 6:28 am and sunset at 7:21 pm.
  • Greenville - September »
    The month with the least rainfall in Greenville is September, when the rain falls for 9.6 days and typically collects 0.71" (18mm) of precipitation. In Greenville during September, the rain falls for 9.6 days and regularly aggregates up to 0.71" (18mm) of precipitation.
  • Olive Branch - September »
    The month with the least rainfall in Olive Branch is September, when the rain falls for 13.1 days and typically collects 1.73" (44mm) of precipitation. In Olive Branch, during September, the rain falls for 13.1 days and regularly aggregates up to 1.73" (44mm) of precipitation.
  • Horn Lake - September »
    On the first day of September in Horn Lake sunrise is at 6:32 am and sunset at 7:27 pm. In Horn Lake, Mississippi, in September, during 12.3 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.
  • Clinton - September »
    The month of September in Clinton, Mississippi signals the arrival of fall, with the temperature beginning to drop, and an average high temperature of 87.4°F (30.8°C). In Clinton in September, during 13.7 rainfall days, 2.6" (66mm) of precipitation is typically accumulated.
  • Pearl - September »
    On the first day of September in Pearl sunrise is at 6:35 am and sunset at 7:25 pm. In Pearl, Mississippi, in September, during 11.9 rainfall days, 1.89" (48mm) of precipitation is typically accumulated.
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Mississippi, USA

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