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
Entering September, Ivahona notices a subtle temperature elevation, with the average high-temperature advancing from August's 25.1°C (77.2°F) to a still moderately hot 28.2°C (82.8°F). Despite the high peak temperatures, Ivahona witnesses an average nighttime cooling to a moderate 14.6°C (58.3°F) in September.Heat index
The average heat index in September is calculated to be 29°C (84.2°F). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 51%.Rainfall
In Ivahona, Madagascar, during September, the rain falls for 2.8 days and regularly aggregates up to 6mm (0.24") of precipitation. In Ivahona, Madagascar, during the entire year, the rain falls for 142.5 days and collects up to 647mm (25.47") of precipitation.Daylight
The average length of the day in September in Ivahona is 11h and 58min.On the first day of the month, sunrise is at 06:05 and sunset at 17:44. On the last day of September, sunrise is at 05:36 and sunset at 17:54 EAT.
Sunshine
In September, the average sunshine 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 estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Fend off overexposure. Sun protection is vital. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Ivahona?
What are the least humid months in Ivahona?
What is the average humidity in September in Ivahona?
How much does it rain in Ivahona in September?
How many hours of daylight does Ivahona have in September?
What time are sunrise and sunset in September in Ivahona?
How many hours of sunshine does Ivahona have in September?
What is the month with the highest UV index in Ivahona?
What is the UV index reading in September in Ivahona?
Average temperature in September
Ivahona, 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
Ivahona, 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
Ivahona, 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
Ivahona, 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
Ivahona, 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
Ivahona, 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
Ivahona, 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 1min
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
Ivahona, 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
Ivahona, 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
Ivahona, 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
Ivahona, 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).
