September weather forecastIanapera, Madagascar
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Ianapera, Madagascar, with temperature in the range of an average high of 28.2°C (82.8°F) and an average low of 14.6°C (58.3°F).Temperature
Ianapera's transition into September brings a slight rise in the average high-temperature, moving from 25.1°C (77.2°F) in August to a still warm 28.2°C (82.8°F). Ianapera registers a significant drop in temperature in September, with average nighttime lows of 14.6°C (58.3°F).Heat index
In September, the heat index is appraised at 29°C (84.2°F). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.When assessing, remember that heat index measurements are for light winds and shaded spots. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
September and October, with an average relative humidity of 51%, are the least humid months in Ianapera.Rainfall
In Ianapera, in September, during 2.8 rainfall days, 6mm (0.24") of precipitation is typically accumulated. In Ianapera, during the entire year, the rain falls for 142.5 days and collects up to 647mm (25.47") of precipitation.Daylight
In Ianapera, the average length of the day in September is 11h and 58min.On the first day of the month, sunrise is at 06:10 and sunset at 17:49. On the last day of September, sunrise is at 05:40 and sunset at 17:58 EAT.
Sunshine
In September, the average sunshine in Ianapera, Madagascar, is 9.1h.UV index
The months with the highest UV index are January through March, September through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 6 during September translates into these guidelines:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ianapera, Madagascar
- Average high temperature in September: 28.2°C
The warmest month (with the highest average high temperature) is November (30.5°C).
The month with the lowest average high temperature is July (22.6°C).
- Average low temperature in September: 14.6°C
The month with the highest average low temperature is December (19.7°C).
The coldest month (with the lowest average low temperature) is July (11.4°C).
Average pressure in September
Ianapera, Madagascar
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is July (1021.1mbar).
The month with the lowest atmospheric pressure is January (1010.8mbar).
Average wind speed in September
Ianapera, Madagascar
- Average wind speed in September: 13km/h
The windiest month (with the highest average wind speed) is July (13.2km/h).
The calmest month (with the lowest average wind speed) is December (10.8km/h).
Average humidity in September
Ianapera, Madagascar
- Average humidity in September: 51%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are September and October (51%).
Average rainfall in September
Ianapera, Madagascar
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is January (192mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in September
Ianapera, Madagascar
- Average rainfall days in September: 2.8 days
The month with the highest number of rainy days is January (24.9 days).
The months with the least rainy days are July and August (2.4 days).
Average daylight in September /
Average sunshine in September
Ianapera, Madagascar
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is November (Average sunshine: 11h and 42min).
The month with the least sunshine is April (Average sunshine: 7h and 18min).
Average sunshine days in September
Ianapera, Madagascar
- Average sunshine days in September: 26.7 days
The month with the most sunshine days is July (27.9 days).
The month with the least sunshine days is January (5.5 days).
Average UV index in September
Ianapera, Madagascar
- Average UV index in September: 6
The months with the highest UV index are January, February, March, September, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July and August (UV index 5).
Average cloud cover in September
Ianapera, Madagascar
- Average cloud cover in September: 10
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is September (Cloud cover 10).
Average visibility in September
Ianapera, Madagascar
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April and May (9km).





