September weather forecast
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. Notably, the number of sunshine hours this month rises to 9.2 hours. Visitors can look forward to enjoying more sun-soaked days. Even though there is a dip in rainfall to 80mm (3.15") from August's peak, September continues to form part of the wet season. However, the warm climate persists, inviting continued enjoyment of outdoor attractions.

Temperature

With the advent of September, San Pedro De Macoris's high-temperatures adjust to a still tropical 30.8°C (87.4°F), closely aligning with the preceding month. The average temperature during September nights is registered at a warm 24°C (75.2°F).

Heat index

September's mean heat index is calculated to be a scorching 41°C (105.8°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

The average relative humidity in September is 82%.

Rainfall

In San Pedro De Macoris, in September, it is raining for 22.7 days, with typically 80mm (3.15") of accumulated precipitation. In San Pedro De Macoris, during the entire year, the rain falls for 242.9 days and collects up to 759mm (29.88") of precipitation.

Sea temperature

The months with the warmest seawater are September and October, with an average sea temperature of 29.3°C (84.7°F).
Note: Water activities including swimming and diving at temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed very pleasurable and enjoyable for extended periods, devoid of discomfort.

Daylight

The average length of the day in September is 12h and 14min.
On the first day of September, sunrise is at 06:22 and sunset at 18:51. On the last day of the month, sunrise is at 06:27 and sunset at 18:26 AST.

Sunshine

With an average of 9.2h of sunshine, September has the most sunshine of the year in San Pedro De Macoris.

UV index

March through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 7 translates into these guidelines:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Beware! Reflections from sand and water can intensify the Sun's UV radiation.