September weather forecastLeanja, Madagascar
September
Weather in September
The first month of the spring, September, is a tropical month in Leanja, Madagascar, with temperature in the range of an average high of 30.7°C (87.3°F) and an average low of 20.9°C (69.6°F).Temperature
During September, Leanja records an average high-temperature of a hot 30.7°C (87.3°F), marking a slight divergence from August's 29.8°C (85.6°F). The temperature in Leanja, Madagascar, lowers to an average of 20.9°C (69.6°F) during September nights.Heat index
During September, the heat index is calculated to be a sweltering 35°C (95°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.
Humidity
In Leanja, Madagascar, the average relative humidity in September is 64%.Rainfall
In Leanja, Madagascar, in September, during 5.5 rainfall days, 6mm (0.24") of precipitation is typically accumulated. Throughout the year, in Leanja, Madagascar, there are 207.2 rainfall days, and 1328mm (52.28") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 1min.On the first day of the month, sunrise is at 05:53 and sunset at 17:42. On the last day of September, sunrise is at 05:31 and sunset at 17:45 EAT.
Sunshine
In Leanja, the average sunshine in September is 9.9h.UV index
The months with the highest UV index in Leanja are January through April, August through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: In September, a regular UV index of 7 translates into these guidelines:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Leanja, Madagascar
- Average high temperature in September: 30.7°C
The warmest months (with the highest average high temperature) are October and November (31.5°C).
The month with the lowest average high temperature is July (29.3°C).
- Average low temperature in September: 20.9°C
The months with the highest average low temperature are November and December (24.9°C).
The coldest month (with the lowest average low temperature) is July (20.3°C).
Average pressure in September
Leanja, Madagascar
- Average pressure in September: 1016.7mbar
The months with the highest atmospheric pressure are July and August (1017.4mbar).
The month with the lowest atmospheric pressure is February (1010.8mbar).
Average wind speed in September
Leanja, Madagascar
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is July (13.3km/h).
The calmest month (with the lowest average wind speed) is March (8.1km/h).
Average humidity in September
Leanja, Madagascar
- Average humidity in September: 64%
The months with the highest relative humidity are February and March (82%).
The month with the lowest relative humidity is July (63%).
Average rainfall in September
Leanja, Madagascar
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is January (399mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in September
Leanja, Madagascar
- Average rainfall days in September: 5.5 days
The month with the highest number of rainy days is January (29.6 days).
The month with the least rainy days is July (3.8 days).
Average daylight in September /
Average sunshine in September
Leanja, Madagascar
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is December (Average sunshine: 10h and 54min).
The months with the least sunshine are June and July (Average sunshine: 7h and 36min).
Average sunshine days in September
Leanja, Madagascar
- Average sunshine days in September: 23.3 days
The month with the most sunshine days is July (26.7 days).
The month with the least sunshine days is February (0.8 days).
Average UV index in September
Leanja, Madagascar
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, August, September, October, November and December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 6).
Average cloud cover in September
Leanja, Madagascar
- Average cloud cover in September: 13
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are June and September (Cloud cover 13).
Average visibility in September
Leanja, Madagascar
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February and March (9km).





