Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
San Juan de la Maguana's weather in September displays an average high-temperature of a still warm 27.8°C (82°F), showing minor disparity from August's 28.6°C (83.5°F). The month of September records an average low-temperature of 18°C (64.4°F) in San Juan de la Maguana.Heat index
The heat index value for September is computed to be a tropical 31°C (87.8°F). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
In San Juan de la Maguana, the average relative humidity in September is 78%.Rainfall
September is the month with the most rainfall in San Juan de la Maguana. Rain falls for 27 days and accumulates 162mm (6.38") of precipitation.Daylight
In San Juan de la Maguana, the average length of the day in September is 12h and 14min.On the first day of September in San Juan de la Maguana, Dominican Republic, sunrise is at 06:30 and sunset at 18:59. On the last day of the month, sunrise is at 06:35 and sunset at 18:33 AST.
Sunshine
In San Juan de la Maguana, the average sunshine in September is 9.3h.UV index
March through October, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What is the temperature in September in San Juan de la Maguana?
What is the average humidity in September in San Juan de la Maguana?
What is the rainiest month in San Juan de la Maguana?
How much does it rain in San Juan de la Maguana in September?
How many hours of daylight does San Juan de la Maguana have in September?
When are sunrise and sunset in September in San Juan de la Maguana?
How long on average sun shines in September in San Juan de la Maguana?
What is the month with the highest UV index in San Juan de la Maguana?
How high is the UV index in September in San Juan de la Maguana?
Average temperature in September
San Juan de la Maguana, Dominican Republic
- Average high temperature in September: 27.8°C
The warmest month (with the highest average high temperature) is August (28.6°C).
The month with the lowest average high temperature is January (25.8°C).
- Average low temperature in September: 18°C
The month with the highest average low temperature is August (18.2°C).
The coldest month (with the lowest average low temperature) is January (15°C).
Average pressure in September
San Juan de la Maguana, Dominican Republic
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is January (1016.9mbar).
The month with the lowest atmospheric pressure is October (1012.9mbar).
Average wind speed in September
San Juan de la Maguana, Dominican Republic
- Average wind speed in September: 6km/h
The windiest month (with the highest average wind speed) is July (8.5km/h).
The calmest month (with the lowest average wind speed) is November (5.2km/h).
Average humidity in September
San Juan de la Maguana, Dominican Republic
- Average humidity in September: 78%
The months with the highest relative humidity are October and November (80%).
The month with the lowest relative humidity is March (75%).
Average rainfall in September
San Juan de la Maguana, Dominican Republic
- Average rainfall in September: 162mm
The wettest month (with the highest rainfall) is September (162mm).
The driest month (with the least rainfall) is January (13mm).
Average rainfall days in September
San Juan de la Maguana, Dominican Republic
- Average rainfall days in September: 27 days
The month with the highest number of rainy days is October (27.3 days).
The month with the least rainy days is January (10 days).
Average daylight in September /
Average sunshine in September
San Juan de la Maguana, Dominican Republic
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in September: 9h and 2min
The months with the most sunshine are January, February and December (Average sunshine: 9h and 30min).
The month with the least sunshine is May (Average sunshine: 8h and 48min).
Average sunshine days in September
San Juan de la Maguana, Dominican Republic
- Average sunshine days in September: 2.1 days
The month with the most sunshine days is January (16.1 days).
The month with the least sunshine days is June (2 days).
Average UV index in September
San Juan de la Maguana, Dominican Republic
- Average UV index in September: 6
The months with the highest UV index are March, April, May, June, July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 5).
Average cloud cover in September
San Juan de la Maguana, Dominican Republic
- Average cloud cover in September: 27
The month with the most cloud cover is May (Cloud cover 34).
The month with the least cloud cover is December (Cloud cover 21).
Average visibility in September
San Juan de la Maguana, Dominican Republic
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
San Juan de la Maguana, Dominican Republic
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