September weather forecastMayotte, Haiti
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Mayotte, Haiti, with an average temperature fluctuating between 29.3°C (84.7°F) and 25.3°C (77.5°F).Temperature
In September, Mayotte notes an average high-temperature of a still warm 29.3°C (84.7°F), hardly different from the preceding month. Mayotte sees a minor drop to an average minimum temperature of 25.3°C (77.5°F) during the night in the month of September.Heat index
In September, the average heat index is evaluated at a torrid 35°C (95°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
In Mayotte, Haiti, the average relative humidity in September is 76%.Rainfall
In Mayotte, Haiti, in September, during 19.3 rainfall days, 71mm (2.8") of precipitation is typically accumulated. In Mayotte, Haiti, during the entire year, the rain falls for 196.7 days and collects up to 531mm (20.91") of precipitation.Daylight
In Mayotte, the average length of the day in September is 12h and 14min.On the first day of September in Mayotte, sunrise is at 06:36 and sunset at 19:05. On the last day of the month, sunrise is at 06:41 and sunset at 18:40 EDT.
Sunshine
In September, the average sunshine in Mayotte, Haiti, is 9.9h.UV index
January, March through October, with an average maximum UV index of 7, are months with the highest UV index in Mayotte. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 7 in September interprets into the following advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mayotte, Haiti
- Average high temperature in September: 29.3°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The months with the lowest average high temperature are January, February and March (27.2°C).
- Average low temperature in September: 25.3°C
The month with the highest average low temperature is September (25.3°C).
The coldest month (with the lowest average low temperature) is January (22.3°C).
Average pressure in September
Mayotte, Haiti
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is January (1016mbar).
The month with the lowest atmospheric pressure is October (1012.2mbar).
Average wind speed in September
Mayotte, Haiti
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is June (15.3km/h).
The calmest month (with the lowest average wind speed) is November (8.8km/h).
Average humidity in September
Mayotte, Haiti
- Average humidity in September: 76%
The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is February (72%).
Average rainfall in September
Mayotte, Haiti
- Average rainfall in September: 71mm
The wettest month (with the highest rainfall) is October (75mm).
The driest month (with the least rainfall) is January (10mm).
Average rainfall days in September
Mayotte, Haiti
- Average rainfall days in September: 19.3 days
The month with the highest number of rainy days is October (20.7 days).
The month with the least rainy days is January (9.3 days).
Average daylight in September /
Average sunshine in September
Mayotte, 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 54min
The months with the most sunshine are May, June, July and August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 7h and 24min).
Average sunshine days in September
Mayotte, Haiti
- Average sunshine days in September: 7.9 days
The month with the most sunshine days is December (18.7 days).
The month with the least sunshine days is April (6.7 days).
Average UV index in September
Mayotte, Haiti
- Average UV index in September: 7
The months with the highest UV index are January, March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are February, November and December (UV index 6).
Average cloud cover in September
Mayotte, Haiti
- Average cloud cover in September: 21
The month with the most cloud cover is April (Cloud cover 30).
The month with the least cloud cover is December (Cloud cover 16).
Average visibility in September
Mayotte, 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).
