This report describes the typical weather at the Punta Cana International Airport (Punta Cana/Higüey, Dominican Republic) weather station over the course of an average September. It is based on the historical records from 2006 to 2012. Earlier records are either unavailable or unreliable.
Punta Cana/Higüey has a tropical savanna climate with dry winters. The area within 25 mi of this station is covered by oceans and seas (69%) and forests (31%).
The month of September is characterized by essentially constant daily high temperatures, with daily highs around 89°F throughout the month, exceeding 91°F or dropping below 86°F only one day in ten.
Over the course of September, the length of the day is gradually decreasing. The shortest day of the month is September 30 with 11:58 hours of daylight; the longest day is September 1 with 12:29 hours of daylight.
The earliest sunrise is at 6:19am on September 1; the latest sunset is at 6:47pm on September 1; the latest sunrise is at 6:24am on September 30; the earliest sunset is at 6:22pm on September 30.
Daylight savings time (DST) is not observed in 2012.
The median cloud cover is 54% (partly cloudy) and does not vary substantially over the course of the month.
On September 15, a representative day, the sky is clear or mostly clear 20% of the time, partly cloudy 46% of the time, and mostly cloudy or overcast 28% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around September 30, occurring in 65% of days. Precipitation is least likely around September 3, occurring in 58% of days.
Throughout September, the most common forms of precipitation are thunderstorms.
Thunderstorms are the most severe precipitation observed during 83% of those days with precipitation. They are most likely around September 21, when it is observed during 52% of all days.
Either snow is exceptionally unlikely to fall at this location in September or this station does not reliably report precipitation types.
The relative humidity typically ranges from 65% (mildly humid) to 95% (very humid) over the course of a typical September, rarely dropping below 56% (mildly humid) and reaching as high as 100% (very humid).
The air is driest around September 25, at which time the relative humidity drops below 69% (mildly humid) three days out of four; it is most humid around September 28, rising above 91% (very humid) three days out of four.
Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.
Over the course of a typical September, the dew point typically varies from 72°F (very muggy) to 79°F (oppressive) and is rarely below 70°F (muggy) or above 80°F (very oppressive).
Over the course of September typical wind speeds vary from 0 mph to 14 mph (calm to moderate breeze), rarely exceeding 45 mph (gale).
The highest average wind speed of 9 mph (gentle breeze) occurs around September 1, at which time the average daily maximum wind speed is 14 mph (moderate breeze).
The lowest average wind speed of 7 mph (light breeze) occurs around September 11, at which time the average daily maximum wind speed is 13 mph (moderate breeze).