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
Mariarano experiences an average high-temperature of a tropical 30.9°C (87.6°F) in September, marking an insignificant shift from 29.8°C (85.6°F) in August. September in Mariarano, Madagascar, witnesses an average low-temperature hovering around an agreeable 21.5°C (70.7°F).Heat index
The heat index in September is calculated to be a hot 34°C (93.2°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Observations indicate that the heat index values are for shady locations with light wind. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 58%.Rainfall
In Mariarano, in September, during 3.9 rainfall days, 3mm (0.12") of precipitation is typically accumulated. In Mariarano, during the entire year, the rain falls for 161.5 days and collects up to 817mm (32.17") of precipitation.Daylight
The average length of the day in September is 12h and 1min.On the first day of September, sunrise is at 05:58 and sunset at 17:47. On the last day of the month, sunrise is at 05:36 and sunset at 17:49 EAT.
Sunshine
In Mariarano, the average sunshine in September is 9.8h.UV index
The months with the highest UV index are January through May, August through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 7 during September translates into these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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 Mariarano in September?
What is the average length of the day in September in Mariarano?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the month with the highest UV index?
What is the UV index intensity in September?
Average temperature in September
Mariarano, Madagascar
- Average high temperature in September: 30.9°C
The warmest month (with the highest average high temperature) is November (31.7°C).
The month with the lowest average high temperature is July (28.8°C).
- Average low temperature in September: 21.5°C
The month with the highest average low temperature is December (25.8°C).
The coldest month (with the lowest average low temperature) is July (20.3°C).
Average pressure in September
Mariarano, Madagascar
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is July (1017.3mbar).
The month with the lowest atmospheric pressure is February (1009.9mbar).
Average wind speed in September
Mariarano, Madagascar
- Average wind speed in September: 14.3km/h
The windiest month (with the highest average wind speed) is July (14.6km/h).
The calmest month (with the lowest average wind speed) is March (10.2km/h).
Average humidity in September
Mariarano, Madagascar
- Average humidity in September: 58%
The months with the highest relative humidity are January and February (78%).
The months with the lowest relative humidity are August and September (58%).
Average rainfall in September
Mariarano, Madagascar
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is January (254mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in September
Mariarano, Madagascar
- Average rainfall days in September: 3.9 days
The month with the highest number of rainy days is January (27.6 days).
The month with the least rainy days is July (1.8 days).
Average daylight in September /
Average sunshine in September
Mariarano, 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 5min
The month with the most sunshine is November (Average sunshine: 11h and 18min).
The months with the least sunshine are April and August (Average sunshine: 7h and 30min).
Average sunshine days in September
Mariarano, Madagascar
- Average sunshine days in September: 25.3 days
The month with the most sunshine days is July (28.8 days).
The month with the least sunshine days is January (3.3 days).
Average UV index in September
Mariarano, Madagascar
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 7).
The months with the lowest UV index are June and July (UV index 6).
Average cloud cover in September
Mariarano, Madagascar
- Average cloud cover in September: 12
The month with the most cloud cover is January (Cloud cover 45).
The months with the least cloud cover are August and September (Cloud cover 12).
Average visibility in September
Mariarano, Madagascar
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
