September weather forecast
Cuba

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Weather in September

September ushers in the tail-end of the wet season in Cuba, which is characterized by warm temperatures and abundant rainfall. Average temperatures during this month vary from 24.4°C (75.9°F) to 31.1°C (88°F), maintaining the tropical climate typical of this Caribbean island nation.

In Havana, the capital, temperatures mirror the national average, with lows around 24°C (75.2°F) during the night and highs peaking at approximately 31°C (87.8°F) during the day. September continues to see significant rainfall, with an average of 145mm (5.71") for the month, highlighting the lingering effects of the wet season.

Contrastingly, Guantanamo Bay, located on the southern side of the mountains, exhibits lower rainfall levels compared to the rest of the country. Though it sees an increase in precipitation in line with the country-wide trend, it remains relatively drier.

Compared to August, September witnesses a slight drop in temperatures and a marginal decrease in rainfall. The upcoming month of October, however, tends to be cooler and drier, signalling the gradual transition from the wet to the dry season.

Daylight hours in September begin to shorten slightly, with the island receiving a little less than 11 hours of daylight. This change marks the beginning of the gradual shift towards shorter days as the year progresses.

By September, the impact of North American cold fronts remains absent, and the prevailing weather across Cuba is still largely tropical, with frequent rainfall, high humidity, and warm temperatures. Even with the daytime heat, evenings can be relatively cooler, particularly in coastal areas where sea breezes help alleviate the high temperatures.

Sea temperatures in September are warm, averaging between 28.3°C (82.9°F) and 30°C (86°F). These conditions make for enjoyable water activities. However, it is important to remember that September falls within the hurricane season, so it is advisable to regularly check weather forecasts before venturing out to sea.

  • Havana - September »
    In Havana during September, the rain falls for 10 days and regularly aggregates up to 144mm (5.67") of precipitation. With an average of 10h of sunshine, September has the most sunshine of the year in Havana, Cuba.
  • Santiago de Cuba - September »
    September weather patterns in Santiago de Cuba mirror those of the previous month, with no significant changes in the city's climatological conditions. On the last day of September, in Santiago de Cuba, sunrise is at 06:54 and sunset at 18:52 CDT.
  • Camaguey - September »
    In Camaguey during September, the rain falls for 25.4 days and regularly aggregates up to 140mm (5.51") of precipitation. September is the month with the most rainfall in Camaguey, Cuba.
  • Holguin - September »
    In Holguin in September, it is raining for 14.2 days, with typically 37mm (1.46") of accumulated precipitation. In Holguin, in September, during 14.2 rainfall days, 37mm (1.46") of precipitation is typically accumulated.
  • Santa Clara - September »
    The months with the highest humidity in Santa Clara are September and October, with an average relative humidity of 84%. On the last day of September, in Santa Clara, sunrise is at 07:11 and sunset at 19:07 CDT.
  • Guantanamo - September »
    In September, the average heat index, which combines air temperature and relative humidity, is calculated to be 40°C (104°F). The months with the most rainfall in Guantanamo are May and September, with an average 95mm (3.74") of precipitation.
  • Bayamo - September »
    The month with the most rainfall in Bayamo, Cuba, is September, when the rain falls for 26.1 days and typically aggregates up to 125mm (4.92") of precipitation. In Bayamo, Cuba, in September, it is raining for 26.1 days, with typically 125mm (4.92") of accumulated precipitation.
  • Las Tunas - September »
    The month with the most rainfall in Las Tunas is September, when the rain falls for 22 days and typically aggregates up to 127mm (5") of precipitation. September marks a change in the weather pattern at Las Tunas, Cuba with the temperature tapering off to 32.3°C (90.1°F) and the rainfall marking a peak at 127mm (5").
  • Cienfuegos - September »
    In Cienfuegos, Cuba, during September, the rain falls for 27.4 days and regularly aggregates up to 137mm (5.39") of precipitation. The initiation of September in Cienfuegos, Cuba, records an average high-temperature of a still hot 30.8°C (87.4°F), displaying a near consistency with the previous month.
  • Pinar del Río - September »
    On the first day of September in Pinar del Río, Cuba, sunrise is at 07:17 and sunset at 19:51. On the first day of September in Pinar del Río sunrise is at 07:17 and sunset at 19:51.
  • Manzanillo - September »
    August and September, with an average sea temperature of 30.2°C (86.4°F), are months with the warmest seawater in Manzanillo, Cuba. Manzanillo's weather in September continues the warm and rainy pattern established during the summer months.
  • Matanzas - September »
    The most humid month in Matanzas is September, with an average relative humidity of 82%. In Matanzas, Cuba, in September, the average water temperature is 29.5°C (85.1°F).
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