September weather forecastGuyana

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September

Weather in September

September in Guyana signifies a major shift in the weather pattern as the country transitions from the major rainy season to a drier period. The rainfall levels decrease significantly from the preceding months, often dropping to less than 200mm (7.87"). This reduction in precipitation marks the beginning of a dry spell that provides a respite from the intense downpours typical of the rainy season.

Cities such as Georgetown, New Amsterdam, and Linden experience this decrease in rainfall, providing a window of dry weather that encourages outdoor activities and exploration. Despite the seasonal shift, September maintains the consistently warm temperatures characteristic of Guyana's tropical monsoon climate. Average temperatures hover between 23°C (73.4°F) to 30°C (86°F), continuing the steady warmth experienced throughout the year.

As September transitions into October, the weather conditions generally remain similar. Both September and October form part of the dry season, with relatively low precipitation and consistently warm temperatures. However, as October progresses, the country gradually approaches the onset of its minor rainy season. Consequently, while September offers a drier spell, it also serves as a precursor to the wetter conditions of the upcoming months.

  • Georgetown - September »
    On the first day of September sunrise is at 05:45 and sunset at 17:59. September has the most sunshine of the year with an average of 7.7h of sunshine.
  • New Amsterdam - September »
    September is the month that records the highest temperatures in New Amsterdam with averages ranging from a high of 30.8°C (87.4°F) to a low of 25.9°C (78.6°F). In New Amsterdam in September, it is raining for 24.5 days, with typically 141mm (5.55") of accumulated precipitation.
  • Skeldon - September »
    August and September, with an average sea temperature of 28.3°C (82.9°F), are months with the warmest seawater in Skeldon. On the last day of September, in Skeldon, sunrise is at 05:36 and sunset at 17:40 -04.
  • Rosignol - September »
    On the last day of September, in Rosignol, Guyana, sunrise is at 05:37 and sunset at 17:41 -04. In September, on the first day of the month, sunrise is at 05:42 and sunset at 17:56.
  • Mahaicony - September »
    The months with the lowest humidity in Mahaicony are September and October, with an average relative humidity of 78%. The month with the least rainfall in Mahaicony is September, when the rain falls for 21 days and typically collects 55mm (2.17") of precipitation.
  • Parika - September »
    September and October, with an average relative humidity of 78%, are the least humid months in Parika, Guyana. September in Parika signifies the start of a shift towards cooler temperatures, bringing relief after the peak heat of August.
  • Lethem - September »
    January through April, September through December, with an average high-temperature of 33°C (91.4°F), are marked as the warmest months in Lethem, Guyana. In Lethem, January through April, September through December are characterised by the peak of temperatures, recording an average high of 33°C (91.4°F).