September weather forecast
Haiti

September marks a period of transition in Haiti's climate, as the country moves towards the second peak of its wet season. During this month, temperatures remain high, typically ranging from 24°C (75.2°F) to 32°C (89.6°F), providing continued warmth despite the increasing rainfall.

In Port-au-Prince, temperatures continue to fluctuate between 24°C (75.2°F) and 32°C (89.6°F), mirroring the national trend. However, the city experiences a notable increase in rainfall, with approximately 174mm (6.85") of precipitation. This makes September one of the wetter months of the year in Port-au-Prince. Similarly, the elevated region of Kenscoff sees a rise in rainfall, while temperatures can drop to 17°C (62.6°F) at night due to its higher altitude.

The length of daylight starts to decrease in September, with approximately 10 hours of sunshine per day. Nevertheless, these hours provide sufficient time for outdoor activities during the drier periods of the day. Sea temperatures off Haiti's coast remain warm at 29°C (84.2°F), despite the increased rainfall.

Compared to August, September experiences a similar temperature range but with a significant increase in rainfall. This trend signals the start of the second rainfall peak in Haiti's annual weather cycle, which extends into October. Although September does not break records for the highest temperatures or rainfall, the combination of heat and increased precipitation makes it a distinct period in Haiti's climate calendar.

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• Port-au-Prince - September »
  September is the month with the warmest seawater in Port-au-Prince, with an average sea temperature of 29.8°C (85.6°F). In Port-au-Prince, in September, the average water temperature is 29.8°C (85.6°F).
• Cap-Haitien - September »
  With an average sea temperature of 29.6°C (85.3°F), September is the month with the warmest seawater in Cap-Haitien. Cap-Haitien's temperatures tend to hit their maximum during June through September, with an average high-temperature of 32°C (89.6°F).
• Carrefour - September »
  The month with the warmest seawater in Carrefour is September, with an average sea temperature of 29.8°C (85.6°F). In Carrefour in September, the average water temperature is 29.8°C (85.6°F).
• Delmas - September »
  September is the month with the warmest seawater in Delmas with an average sea temperature of 29.8°C (85.6°F). With an average sea temperature of 29.8°C (85.6°F), September is the month with the warmest seawater in Delmas.
• Croix-des-Bouquets - September »
  In Croix-des-Bouquets, in September, it is raining for 22.4 days, with typically 135mm (5.31") of accumulated precipitation. September's advent in Croix-des-Bouquets presents an average high-temperature of a moderately hot 29.8°C (85.6°F), indicating a slight variation from the conditions of the previous month.
• Les Cayes - September »
  With an average sea temperature of 29.8°C (85.6°F), September is the month with the warmest seawater in Les Cayes. In Les Cayes, during September, the rain falls for 13 days and regularly aggregates up to 219mm (8.62") of precipitation.
• Jacmel - September »
  September is the month with the warmest seawater in Jacmel, with an average sea temperature of 29.6°C (85.3°F). In Jacmel the average seawater temperature in September is 29.6°C (85.3°F).
• Saint-Marc - September »
  In Saint-Marc in September, during 23.6 rainfall days, 101mm (3.98") of precipitation is typically accumulated. In Saint-Marc during September, the rain falls for 23.6 days and regularly aggregates up to 101mm (3.98") of precipitation.
• Port-de-Paix - September »
  With an average sea temperature of 29.7°C (85.5°F), September is the month with the warmest seawater in Port-de-Paix. With an average sea temperature of 29.7°C (85.5°F), September is the month with the warmest seawater in Port-de-Paix.
• Jeremie - September »
  In Jeremie, in September, the average water temperature is 29.9°C (85.8°F). In September, the city of Jeremie prepares to bid farewell to the summer heat while still delivering high sea temperatures, peaking at 29.9°C (85.8°F).
• Miragoane - September »
  With an average sea temperature of 29.8°C (85.6°F), September is the month with the warmest seawater in Miragoane, Haiti. The month with the warmest seawater in Miragoane is September, with an average sea temperature of 29.8°C (85.6°F).