September weather forecastGranger, Haiti
September
Weather in September
The first month of the autumn, September, is still a warm month in Granger, Haiti, with an average temperature fluctuating between 24.5°C (76.1°F) and 28.5°C (83.3°F).Temperature
The advent of September sees the average high-temperature at a still moderately hot 28.5°C (83.3°F), subtly shifted from August's 28.8°C (83.8°F). A modest dip in temperatures to an average of 24.5°C (76.1°F) is observed throughout Granger's September nights.Heat index
Throughout September, the heat index is computed to be a tropical 33°C (91.4°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Metrics for the heat index primarily focus on shaded spots and light wind conditions. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
The average relative humidity in September is 80%.Rainfall
In Granger, Haiti, in September, it is raining for 24.3 days, with typically 111mm (4.37") of accumulated precipitation. Throughout the year, there are 283.3 rainfall days, and 1053mm (41.46") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 14min.On the first day of September, sunrise is at 06:42 and sunset at 19:11. On the last day of the month, sunrise is at 06:47 and sunset at 18:46 EDT.
Sunshine
The average sunshine in September is 10.4h.UV index
The months with the highest UV index are May through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 7 in September translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. 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. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Granger, Haiti
- Average high temperature in September: 28.5°C
The warmest months (with the highest average high temperature) are July and August (28.8°C).
The month with the lowest average high temperature is March (25.8°C).
- Average low temperature in September: 24.5°C
The month with the highest average low temperature is August (25°C).
The coldest month (with the lowest average low temperature) is March (21.8°C).
Average pressure in September
Granger, Haiti
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is January (1015.8mbar).
The month with the lowest atmospheric pressure is October (1011.8mbar).
Average wind speed in September
Granger, Haiti
- Average wind speed in September: 7.4km/h
The windiest month (with the highest average wind speed) is March (12.1km/h).
The calmest month (with the lowest average wind speed) is September (7.4km/h).
Average humidity in September
Granger, Haiti
- Average humidity in September: 80%
The months with the highest relative humidity are October and November (81%).
The months with the lowest relative humidity are January, February, March, June, July, August and December (79%).
Average rainfall in September
Granger, Haiti
- Average rainfall in September: 111mm
The wettest month (with the highest rainfall) is May (154mm).
The driest month (with the least rainfall) is December (47mm).
Average rainfall days in September
Granger, Haiti
- Average rainfall days in September: 24.3 days
The months with the highest number of rainy days are May and October (27.5 days).
The month with the least rainy days is December (19 days).
Average daylight in September /
Average sunshine in September
Granger, 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: 10h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in September
Granger, Haiti
- Average sunshine days in September: 3.4 days
The month with the most sunshine days is January (5.8 days).
The month with the least sunshine days is May (1 days).
Average UV index in September
Granger, Haiti
- 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
Granger, Haiti
- Average cloud cover in September: 25
The month with the most cloud cover is May (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in September
Granger, Haiti
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
