September weather forecast
La Represa, Dominican Republic

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Updated: Jan 27, 2024 | Published by: Weather Atlas

Weather in September

September, the first month of the autumn in La Represa, is still a tropical month, with an average temperature varying between 20.6°C (69.1°F) and 30.7°C (87.3°F).

Temperature

During August and September, La Represa experiences its warmest period, with an average high-temperature of 30.7°C (87.3°F).

Heat index

The average heat index in September is calculated to be a blistering 41°C (105.8°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

In September, the average relative humidity in La Represa is 82%.

Rainfall

In La Represa, Dominican Republic, during September, the rain falls for 25 days and regularly aggregates up to 108mm (4.25") of precipitation. Throughout the year, there are 274.9 rainfall days, and 979mm (38.54") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 14min.
On the first day of the month, sunrise is at 06:24 and sunset at 18:54. On the last day of September, sunrise is at 06:30 and sunset at 18:28 AST.

Sunshine

September has the most sunshine of the year, with an average of 8.7h of sunshine.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index in La Represa. The months with the lowest UV index in La Represa are January through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, a daily UV index of 6 turns into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

What time of the year is the hottest in La Represa?

In La Represa, Dominican Republic, the warmest months are August and September, registering an average high-temperature of 30.7°C (87.3°F).

How hot is it in La Represa in September?

During September, La Represa experiences an average high-temperature of 30.7°C (87.3°F) and a low-temperature of 20.6°C (69.1°F). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in September is calculated to be 41°C (105.8°F).

What is the average humidity in September in La Represa?

In September, the average relative humidity in La Represa, Dominican Republic, is 82%.

How much does it rain in La Represa in September?

In La Represa, during September, the rain falls for 25 days and regularly aggregates up to 108mm (4.25") of precipitation.

How many hours of daylight does La Represa have in September?

The average day length in September in La Represa, Dominican Republic, is 12h and 14min.

When are sunrise and sunset in September in La Represa?

On the first day of September in La Represa, Dominican Republic, sunrise is at 06:24 and sunset at 18:54. On the last day of the month, sunrise is at 06:30 and sunset at 18:28 AST.

What month has the most sunshine in La Represa?

With an average of 8.7h of sunshine, September has the most sunshine of the year in La Represa.

How many hours of sunshine does La Represa have in September?

In La Represa, Dominican Republic, the average sunshine duration in September is 8.7h.

When is the highest UV index in La Represa?

The months with the highest UV index in La Represa, Dominican Republic, are January through December, with an average maximum UV index of 6.

What is the month with the lowest UV index in La Represa?

The months with the lowest UV index in La Represa are January through December, with an average maximum UV index of 6.

How high is the UV index in September in La Represa?

In La Represa, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.

Average temperature in September
La Represa, Dominican Republic

Average temperature in September - La Represa, Dominican Republic
  • Average high temperature in September: 30.7°C

The warmest months (with the highest average high temperature) are August and September (30.7°C).
The month with the lowest average high temperature is January (26.9°C).

  • Average low temperature in September: 20.6°C

The month with the highest average low temperature is August (21.3°C).
The coldest month (with the lowest average low temperature) is January (17.4°C).

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Average pressure in September
La Represa, Dominican Republic

Average pressure in September - La Represa, Dominican Republic
  • Average pressure in September: 1013.6mbar

The month with the highest atmospheric pressure is January (1017.1mbar).
The month with the lowest atmospheric pressure is October (1012.9mbar).

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Average wind speed in September
La Represa, Dominican Republic

Average wind speed in September - La Represa, Dominican Republic
  • Average wind speed in September: 5.2km/h

The windiest months (with the highest average wind speed) are June and August (5.7km/h).
The calmest month (with the lowest average wind speed) is December (4.6km/h).

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Average humidity in September
La Represa, Dominican Republic

Average humidity in September - La Represa, Dominican Republic
  • Average humidity in September: 82%

The month with the highest relative humidity is December (86%).
The month with the lowest relative humidity is April (80%).

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Average rainfall in September
La Represa, Dominican Republic

Average rainfall in September - La Represa, Dominican Republic
  • Average rainfall in September: 108mm

The wettest month (with the highest rainfall) is May (130mm).
The driest month (with the least rainfall) is January (44mm).

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Average rainfall days in September
La Represa, Dominican Republic

Average rainfall days in September - La Represa, Dominican Republic
  • Average rainfall days in September: 25 days

The month with the highest number of rainy days is May (27 days).
The month with the least rainy days is February (18 days).

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Average daylight in September /
Average sunshine in September
La Represa, Dominican Republic

Average daylight in September / Average sunshine in September - La Represa, 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: 8h and 4min

The month with the most sunshine is September (Average sunshine: 8h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 24min).

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Average sunshine days in September
La Represa, Dominican Republic

Average sunshine days in September - La Represa, Dominican Republic
  • Average sunshine days in September: 2.1 days

The month with the most sunshine days is January (6.3 days).
The month with the least sunshine days is September (2.1 days).

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Average UV index in September
La Represa, Dominican Republic

Average UV index in September - La Represa, Dominican Republic
  • Average UV index in September: 6

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).

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Average cloud cover in September
La Represa, Dominican Republic

Average cloud cover in September - La Represa, Dominican Republic
  • Average cloud cover in September: 43

The months with the most cloud cover are January and December (Cloud cover 53).
The months with the least cloud cover are September and October (Cloud cover 43).

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Average visibility in September
La Represa, Dominican Republic

Average visibility in September - La Represa, Dominican Republic
  • Average visibility in September: 7km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (7km).
The month with the lowest visibility is January (6km).

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La Represa, Dominican Republic

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