September weather forecastIrina, Madagascar
September
Weather in September
September, the first month of the spring in Irina, is still a warm month, with an average temperature varying between 14.6°C (58.3°F) and 28.2°C (82.8°F).Temperature
A slight uplift in the average high-temperature marks September, adjusting from August's warm 25.1°C (77.2°F) to a still moderately hot 28.2°C (82.8°F). Despite the high peak temperatures, Irina witnesses an average nighttime cooling to a mild 14.6°C (58.3°F) in September.Heat index
In September, the average heat index is computed to be 29°C (84.2°F). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially vital to children. 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.
Humidity
September and October, with an average relative humidity of 51%, are the least humid months.Rainfall
In Irina, in September, it is raining for 2.8 days, with typically 6mm (0.24") of accumulated precipitation. Throughout the year, there are 142.5 rainfall days, and 647mm (25.47") of precipitation is accumulated.Daylight
In Irina, the average length of the day in September is 11h and 58min.On the first day of September in Irina, Madagascar, sunrise is at 06:05 and sunset at 17:45. On the last day of the month, sunrise is at 05:36 and sunset at 17:54 EAT.
Sunshine
The average sunshine in September in Irina, Madagascar, is 9.1h.UV index
January through March, September through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, the UV index of 6 transforms into the following advice:
Guard oneself from overexposure. Defence against sun injury is vital. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Irina, 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
Irina, 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
Irina, 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
Irina, 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
Irina, 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
Irina, 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
Irina, Madagascar
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- 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
Irina, 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
Irina, 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
Irina, 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
Irina, 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).





