September weather forecastMarotte, Haiti

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Marotte, Haiti, with an average temperature fluctuating between 21.3°C (70.3°F) and 29.8°C (85.6°F).

Temperature

The average high-temperature during September registers at a warm 29.8°C (85.6°F), closely corresponding to the preceding month. In the month of September, Marotte experiences an average low-temperature of 21.3°C (70.3°F).

Heat index

In September, the heat index is calculated to be a sweltering 36°C (96.8°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

The average relative humidity in September in Marotte is 77%.

Rainfall

In Marotte, Haiti, in September, it is raining for 22.4 days, with typically 135mm (5.31") of accumulated precipitation. In Marotte, Haiti, during the entire year, the rain falls for 227.4 days and collects up to 904mm (35.59") of precipitation.

Daylight

The average length of the day in September is 12h and 14min.
On the first day of the month, sunrise is at 06:35 and sunset at 19:04. On the last day of September, in Marotte, Haiti, sunrise is at 06:40 and sunset at 18:39 EDT.

Sunshine

In Marotte, the average sunshine in September is 9.6h.

UV index

January through May, July through December, with an average maximum UV index of 6, are months with the lowest UV index in Marotte. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 6 in September translates into this advice:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Updated: Feb 19, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During September, Marotte experiences an average high-temperature of 29.8°C (85.6°F) and a low-temperature of 21.3°C (70.3°F). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in September is calculated to be 36°C (96.8°F).

In September, the average relative humidity is 77%.

In Marotte, in September, it is raining for 22.4 days, with typically 135mm (5.31") of accumulated precipitation.

In Marotte, the average day length in September is 12h and 14min.

In September, on the first day of the month, sunrise is at 06:35 and sunset at 19:04. On the last day of the month, sunrise is at 06:40 and sunset at 18:39 EDT.

In Marotte, the average sunshine duration in September is 9.6h.

January through May, July through December, with an average maximum UV index of 6, are months with the lowest UV index.

In September, the average daily maximum UV index in Marotte, Haiti, is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

30.9°C

29.8°C

29.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.3km/h

6.9km/h

7.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

4.7

4.8

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Marotte, Haiti

Average high temperature in September: 29.8°C

The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (27.6°C).

Average low temperature in September: 21.3°C

The months with the highest average low temperature are August and September (21.3°C).
The coldest month (with the lowest average low temperature) is January (18.2°C).

Average pressure in September
Marotte, Haiti

Average pressure in September: 1013.2mbar

The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is October (1012.5mbar).

Average wind speed in September
Marotte, Haiti

Average wind speed in September: 6.5km/h

The windiest month (with the highest average wind speed) is June (9.2km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).

Average humidity in September
Marotte, Haiti

Average humidity in September: 77%

The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is February (72%).

Average rainfall in September
Marotte, Haiti

Average rainfall in September: 135mm

The wettest month (with the highest rainfall) is May (141mm).
The driest month (with the least rainfall) is January (12mm).

Average rainfall days in September
Marotte, Haiti

Average rainfall days in September: 22.4 days

The months with the highest number of rainy days are April and October (24.4 days).
The month with the least rainy days is January (9.9 days).

Average daylight in September /
Average sunshine in September
Marotte, Haiti

Average daylight in September: 12h and 12min

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 36min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 7h and 12min).

Average sunshine days in September
Marotte, Haiti

Average sunshine days in September: 4.7 days

The month with the most sunshine days is December (19 days).
The month with the least sunshine days is April (3.3 days).

Average UV index in September
Marotte, Haiti

Average UV index in September: 6

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

Average cloud cover in September
Marotte, Haiti

Average cloud cover in September: 27

The month with the most cloud cover is April (Cloud cover 35).
The month with the least cloud cover is December (Cloud cover 21).

Average visibility in September
Marotte, Haiti

Average visibility in September: 9km

The months with the highest visibility are February, March and June (10km).
The months with the lowest visibility are January, April, May, July, August, September, October, November and December (9km).