September weather forecastIarintsena, Madagascar
September
Weather in September
September, the first month of the spring in Iarintsena, is still a pleasant month, with temperature in the range of an average low of 11.1°C (52°F) and an average high of 22.8°C (73°F).Temperature
The initiation of September records an average high-temperature of a still pleasant 22.8°C (73°F), displaying a near consistency with the previous month. An average nighttime temperature of 11.1°C (52°F) is noted in Iarintsena during the month of September.Humidity
The average relative humidity in September in Iarintsena is 74%.Rainfall
In Iarintsena, in September, it is raining for 6.4 days, with typically 7mm (0.28") of accumulated precipitation. In Iarintsena, Madagascar, during the entire year, the rain falls for 220.5 days and collects up to 1093mm (43.03") of precipitation.Daylight
In Iarintsena, the average length of the day in September is 11h and 59min.On the first day of September, sunrise is at 06:01 and sunset at 17:43. On the last day of the month, sunrise is at 05:33 and sunset at 17:50 EAT.
Sunshine
In Iarintsena, the average sunshine in September is 8.7h.UV index
In Iarintsena, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. 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
Iarintsena, Madagascar
- Average high temperature in September: 22.8°C
The warmest month (with the highest average high temperature) is November (25.5°C).
The month with the lowest average high temperature is July (17.8°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is January (16.9°C).
The coldest month (with the lowest average low temperature) is July (9.3°C).
Average pressure in September
Iarintsena, Madagascar
- Average pressure in September: 1020.3mbar
The month with the highest atmospheric pressure is July (1022.3mbar).
The month with the lowest atmospheric pressure is January (1012.3mbar).
Average wind speed in September
Iarintsena, Madagascar
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is September (10.1km/h).
The calmest month (with the lowest average wind speed) is December (7.8km/h).
Average humidity in September
Iarintsena, Madagascar
- Average humidity in September: 74%
The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Iarintsena, Madagascar
- Average rainfall in September: 7mm
The wettest month (with the highest rainfall) is January (259mm).
The driest month (with the least rainfall) is August (5mm).
Average rainfall days in September
Iarintsena, Madagascar
- Average rainfall days in September: 6.4 days
The month with the highest number of rainy days is January (28.7 days).
The month with the least rainy days is September (6.4 days).
Average daylight in September /
Average sunshine in September
Iarintsena, Madagascar
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is November (Average sunshine: 10h and 6min).
The month with the least sunshine is April (Average sunshine: 5h and 48min).
Average sunshine days in September
Iarintsena, Madagascar
- Average sunshine days in September: 21.7 days
The month with the most sunshine days is September (21.7 days).
The month with the least sunshine days is January (0.8 days).
Average UV index in September
Iarintsena, Madagascar
- Average UV index in September: 5
The month with the highest UV index is December (UV index 6).
The months with the lowest UV index are April, May, June and July (UV index 4).
Average cloud cover in September
Iarintsena, Madagascar
- Average cloud cover in September: 37
The month with the most cloud cover is March (Cloud cover 67).
The month with the least cloud cover is October (Cloud cover 36).
Average visibility in September
Iarintsena, Madagascar
- Average visibility in September: 8km
The month with the highest visibility is October (9km).
The months with the lowest visibility are January, March, April and May (6km).





