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
The onset of September brings an average high-temperature of a still tropical 30.5°C (86.9°F), nearly matching the August temperature. El Valle witnesses an average low-temperature of 22.8°C (73°F) throughout the month of September.Heat index
The heat index for September is estimated at an extremely hot 41°C (105.8°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', blends air temperature and moisture content to represent the felt temperature to humans. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
In El Valle, the average relative humidity in September is 84%.Rainfall
In El Valle, in September, it is raining for 24.2 days, with typically 105mm (4.13") of accumulated precipitation. In El Valle, during the entire year, the rain falls for 270.7 days and collects up to 1060mm (41.73") of precipitation.Daylight
The average length of the day in September in El Valle is 12h and 14min.On the first day of the month, sunrise is at 06:22 and sunset at 18:51. On the last day of September, sunrise is at 06:28 and sunset at 18:26 AST.
Sunshine
September has the most sunshine of the year in El Valle, with an average of 9.3h of sunshine.UV index
The months with the highest UV index in El Valle are May through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 7 during September translates into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
How hot is it in El Valle in September?
What is the average humidity in September in El Valle?
How much does it rain in El Valle in September?
How many hours of daylight does El Valle have in September?
When are sunrise and sunset in September in El Valle?
What month has the most sunshine in El Valle?
How long on average sun shines in September in El Valle?
When is the highest UV index in El Valle?
What is the UV index reading in September in El Valle?
Average temperature in September
El Valle, Dominican Republic
- Average high temperature in September: 30.5°C
The warmest months (with the highest average high temperature) are June and August (30.6°C).
The month with the lowest average high temperature is January (27.8°C).
- Average low temperature in September: 22.8°C
The month with the highest average low temperature is August (23.2°C).
The coldest months (with the lowest average low temperature) are January and February (19.9°C).
Average pressure in September
El Valle, Dominican Republic
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is January (1016.8mbar).
The month with the lowest atmospheric pressure is October (1012.7mbar).
Average wind speed in September
El Valle, Dominican Republic
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is March (7.7km/h).
The calmest month (with the lowest average wind speed) is October (6km/h).
Average humidity in September
El Valle, Dominican Republic
- Average humidity in September: 84%
The month with the highest relative humidity is November (85%).
The month with the lowest relative humidity is March (78%).
Average rainfall in September
El Valle, Dominican Republic
- Average rainfall in September: 105mm
The wettest month (with the highest rainfall) is July (139mm).
The driest month (with the least rainfall) is February (39mm).
Average rainfall days in September
El Valle, Dominican Republic
- Average rainfall days in September: 24.2 days
The month with the highest number of rainy days is October (26.3 days).
The month with the least rainy days is February (18.2 days).
Average daylight in September /
Average sunshine in September
El Valle, Dominican Republic
- Average daylight in September: 12h and 1min
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: 9h and 2min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is November (Average sunshine: 7h and 30min).
Average sunshine days in September
El Valle, Dominican Republic
- Average sunshine days in September: 3.7 days
The month with the most sunshine days is March (8.7 days).
The month with the least sunshine days is October (2.8 days).
Average UV index in September
El Valle, Dominican Republic
- Average UV index in September: 7
The months with the highest UV index are May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, November and December (UV index 6).
Average cloud cover in September
El Valle, Dominican Republic
- Average cloud cover in September: 33
The month with the most cloud cover is May (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in September
El Valle, Dominican Republic
- Average visibility in September: 8km
The months with the highest visibility are February, March and April (9km).
The months with the lowest visibility are January, May, June, July, August, September, October, November and December (8km).
El Valle, Dominican Republic
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