Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September records an average high-temperature of a still moderately hot 28.7°C (83.7°F), indicating a minor variation from the preceding month. The nighttime temperature dips to a pleasant 20.7°C (69.3°F) on average during September.Heat index
The heat index value for September is evaluated at a tropical 31°C (87.8°F). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
The months with the lowest humidity are July and September, with an average relative humidity of 62%.Rainfall
In September, the rain falls for 2.3 days. Throughout September, 6mm (0.24") of precipitation is accumulated. In Ankiririsa, during the entire year, the rain falls for 93.8 days and collects up to 297mm (11.69") of precipitation.Daylight
In Ankiririsa, the average length of the day in September is 11h and 58min.On the first day of September, sunrise is at 06:15 and sunset at 17:54. On the last day of the month, sunrise is at 05:46 and sunset at 18:04 EAT.
Sunshine
In September, the average sunshine is 9.4h.UV index
January through March, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 7 during September leads to these instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What are the least humid months?
What is the average humidity in September?
How much does it rain in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Ankiririsa have in September?
What is the month with the highest UV index?
How high is the UV index in September?
Average temperature in September
Ankiririsa, Madagascar
- Average high temperature in September: 28.7°C
The warmest month (with the highest average high temperature) is January (31.5°C).
The month with the lowest average high temperature is July (25.8°C).
- Average low temperature in September: 20.7°C
The month with the highest average low temperature is January (25.8°C).
The coldest month (with the lowest average low temperature) is July (18.8°C).
Average pressure in September
Ankiririsa, Madagascar
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is January (1009.4mbar).
Average wind speed in September
Ankiririsa, Madagascar
- Average wind speed in September: 17.2km/h
The windiest month (with the highest average wind speed) is November (19km/h).
The calmest months (with the lowest average wind speed) are March and May (15.6km/h).
Average humidity in September
Ankiririsa, Madagascar
- Average humidity in September: 62%
The months with the highest relative humidity are February and March (70%).
The months with the lowest relative humidity are July and September (62%).
Average rainfall in September
Ankiririsa, Madagascar
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is January (89mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in September
Ankiririsa, Madagascar
- Average rainfall days in September: 2.3 days
The month with the highest number of rainy days is January (20 days).
The month with the least rainy days is August (1.3 days).
Average daylight in September /
Average sunshine in September
Ankiririsa, 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 2min
The months with the most sunshine are October and November (Average sunshine: 12h and 0min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).
Average sunshine days in September
Ankiririsa, Madagascar
- Average sunshine days in September: 27.1 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is January (9.5 days).
Average UV index in September
Ankiririsa, Madagascar
- Average UV index in September: 7
The months with the highest UV index are January, February, March, September, October, November and December (UV index 7).
The months with the lowest UV index are April, May, June, July and August (UV index 6).
Average cloud cover in September
Ankiririsa, Madagascar
- Average cloud cover in September: 7
The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 7).
Average visibility in September
Ankiririsa, Madagascar
- 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).
