September weather forecast
Dominican Republic

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Flag of Dominican Republic

Weather in September

In the Dominican Republic, September signifies the end of summer and the transition into autumn. Yet, the tropical climate maintains high temperatures and significant rainfall. The average temperatures usually hover between 22°C (71.6°F) and 33°C (91.4°F), indicating a slight decrease from the peak summer month of August. However, this transition does not bring about a major relief from the heat.

Despite the slight drop in temperature, the higher regions such as the Cordillera Central range continue to offer a cooler alternative to the heat of the lower regions. These regions, however, also start to experience a decrease in temperature as autumn approaches.

September brings considerable rainfall, maintaining the pattern observed in the previous months. Northern and southern regions alike, including cities like Puerto Plata and Santo Domingo, experience frequent showers, often in the afternoons or evenings. The downpours continue to contribute to high humidity levels, which make the weather feel hotter than it is.

Compared to August, September sees a subtle reduction in temperature but a continued trend of substantial rainfall. Despite the heat and rain, early mornings and late evenings still present the most comfortable periods for outdoor activities.

Wind conditions in September maintain the same pattern as the previous months, with the northeast trade winds keeping wind speeds typically below 32.2km/h (20mph). Importantly, the frequency of tropical storms and hurricanes reaches its peak in September, emphasizing the increased vulnerability of the country during this period.

  • Santo Domingo - September »
    With an average sea temperature of 29.3°C (84.7°F), September is the month with the warmest seawater in Santo Domingo. September is the month with the warmest seawater in Santo Domingo, with an average sea temperature of 29.3°C (84.7°F).
  • Santiago De Los Caballeros - September »
    In Santiago De Los Caballeros in September, it is raining for 22.1 days, with typically 101mm (3.98") of accumulated precipitation. On the first day of September in Santiago De Los Caballeros sunrise is at 06:27 and sunset at 18:57.
  • Punta Cana - September »
    In Punta Cana in September, the average water temperature is 29°C (84.2°F). September is the month when Punta Cana's temperatures reach their peak, with averages of 30°C (86°F) and lows of 26.3°C (79.3°F).
  • Puerto Plata - September »
    The month with the warmest seawater in Puerto Plata is September, with an average sea temperature of 29.3°C (84.7°F). On the last day of September, in Puerto Plata sunrise is at 06:33 and sunset at 18:31 AST.
  • La Romana - September »
    The month with the warmest seawater in La Romana is September, with an average sea temperature of 29.4°C (84.9°F). September is the month with the warmest seawater in La Romana, with an average sea temperature of 29.4°C (84.9°F).
  • San Pedro De Macoris - September »
    September and October, with an average sea temperature of 29.3°C (84.7°F), are months with the warmest seawater in San Pedro De Macoris, Dominican Republic. The shift from summer to autumn in San Pedro De Macoris in September brings a slight decline in temperature, rainfall and sea temperature but not enough to drastically affect the tropical climate.
  • Higuey - September »
    In Higuey in September, during 20.1 rainfall days, 71mm (2.8") of precipitation is typically accumulated. September ushers a slight moderation in weather conditions for Higuey, with temperatures reducing marginally, oscillating from 24.8°C (76.6°F) to 30.5°C (86.9°F).
  • San Francisco de Macoris - September »
    With the onset of September, San Francisco de Macoris's average high-temperature clocks in at a still hot 30.5°C (86.9°F), showing a minor fluctuation from the previous month. The average sunshine duration in September in San Francisco de Macoris is 9.2h.
  • Sosúa - September »
    In Sosúa in September, during 20.7 rainfall days, 76mm (2.99") of precipitation is typically accumulated. The month with the warmest seawater in Sosúa is September, with an average sea temperature of 29.3°C (84.7°F).
  • Bani - September »
    The month with the most snowfall days in Bani is September, when snow falls for 0.1 days. In Bani, Dominican Republic, in September, it is raining for 17 days, with typically 49mm (1.93") of accumulated precipitation.
Updated: May 24, 2024 | Published by: Weather Atlas | Resources

Dominican Republic

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