September weather forecastLas Terrenas, Dominican Republic
September
Weather in September
As Las Terrenas moves into September, the beleaguered rainfall continues to rise, however slightly, to 185mm (7.28"). The sea temperature reaches its zenith at 29°C (84.2°F), presenting the warmest month for aquatic activities. Following this peak, a downward trend is observed in daylight hours, signalling the end of the longer summer days. All these factors maintain the tropical summer climate, albeit hinting at the onset of the cooler months.Temperature
May through October, with an average high-temperature of 31°C (87.8°F), are marked as the warmest months in Las Terrenas.Rainfall
In September, the rain falls for 16 days. Throughout September, 185mm (7.28") of precipitation is accumulated. In Las Terrenas, during the entire year, the rain falls for 170 days and collects up to 2128mm (83.78") of precipitation.Sea temperature
The months with the warmest seawater in Las Terrenas are September and October, with an average sea temperature of 29°C (84.2°F).Note: With water temperature from 25°C (77°F) to 29°C (84.2°F), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods.
Daylight
The average length of the day in September is 12h and 14min.On the first day of September in Las Terrenas, sunrise is at 06:23 and sunset at 18:52. On the last day of the month, sunrise is at 06:28 and sunset at 18:27 AST.
Sunshine
In September, the average sunshine in Las Terrenas is 7h.UV index
The average daily maximum UV index in September in Las Terrenas is 11. A UV Index estimate of 11, and higher, represents an extreme threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 11 in September converts into the following recommendations:
Enforce all necessary safety measures, unprotected skin may suffer burns swiftly. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Opt for tightly woven and loose clothing to enhance protection from the Sun. A sunscreen boasting a minimum SPF of 30 should be generously applied and reapplied even on cloudy days, post swim or outdoor exercise. Watch out! Sand and water enhance the UV exposure you receive.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Las Terrenas, Dominican Republic
- Average high temperature in September: 31°C
The warmest months (with the highest average high temperature) are May, June, July, August, September and October (31°C).
The months with the lowest average high temperature are January, February and December (29°C).
- Average low temperature in September: 21°C
The months with the highest average low temperature are June, July and August (22°C).
The coldest months (with the lowest average low temperature) are January, February, March and December (19°C).
Average rainfall in September
Las Terrenas, Dominican Republic
- Average rainfall in September: 185mm
The wettest month (with the highest rainfall) is May (270mm).
The driest month (with the least rainfall) is February (99mm).
Average rainfall days in September
Las Terrenas, Dominican Republic
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is October (17 days).
The months with the least rainy days are February, March and April (11 days).
Average sea temperature in September
Las Terrenas, Dominican Republic
- Average sea temperature in September: 29°C
The best months for swimming (with the highest average sea temperature) are September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (26°C).
Average daylight in September /
Average sunshine in September
Las Terrenas, Dominican Republic
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in September: 7h
The months with the most sunshine are February, March, April, June, July and August (Average sunshine: 8h).
The month with the least sunshine is December (Average sunshine: 6h).
Average UV index in September
Las Terrenas, Dominican Republic
- Average UV index in September: 11
The months with the highest UV index are March, April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 7).
