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
The introduction of September sees an average high-temperature of a still moderately hot 27.1°C (80.8°F), hardly deviating from August. Nighttime temperatures in September average to an enjoyable 19.3°C (66.7°F).Heat index
September's average heat index is appraised at 29°C (84.2°F). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
With an average relative humidity of 66%, September is the least humid month.Rainfall
July and September are months with the least rain when the rain falls for 5.5 days and typically aggregates up to 8mm (0.31") of rain.Daylight
The average length of the day in September in Andalatanosy is 11h and 58min.On the first day of September, sunrise is at 06:08 and sunset at 17:46. On the last day of the month, sunrise is at 05:38 and sunset at 17:56 EAT.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 6 in September translates into this advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. 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. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the least humid month?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Andalatanosy have in September?
What is the UV index reading in September?
Average temperature in September
Andalatanosy, Madagascar
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is December (30.7°C).
The month with the lowest average high temperature is July (23.9°C).
- Average low temperature in September: 19.3°C
The month with the highest average low temperature is January (23.8°C).
The coldest month (with the lowest average low temperature) is July (17.3°C).
Average pressure in September
Andalatanosy, Madagascar
- Average pressure in September: 1019.4mbar
The month with the highest atmospheric pressure is July (1022.1mbar).
The month with the lowest atmospheric pressure is January (1011mbar).
Average wind speed in September
Andalatanosy, Madagascar
- Average wind speed in September: 18km/h
The windiest month (with the highest average wind speed) is February (19.4km/h).
The calmest month (with the lowest average wind speed) is June (15.8km/h).
Average humidity in September
Andalatanosy, Madagascar
- Average humidity in September: 66%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (66%).
Average rainfall in September
Andalatanosy, Madagascar
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is January (61mm).
The driest months (with the least rainfall) are July and September (8mm).
Average rainfall days in September
Andalatanosy, Madagascar
- Average rainfall days in September: 5.5 days
The month with the highest number of rainy days is January (13.7 days).
The month with the least rainy days is September (5.5 days).
Average daylight in September /
Average sunshine in September
Andalatanosy, 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 36min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is December (Average sunshine: 10h and 48min).
The month with the least sunshine is April (Average sunshine: 6h and 36min).
Average sunshine days in September
Andalatanosy, Madagascar
- Average sunshine days in September: 22.8 days
The month with the most sunshine days is August (23.2 days).
The month with the least sunshine days is January (14.3 days).
Average UV index in September
Andalatanosy, Madagascar
- Average UV index in September: 6
The months with the highest UV index are January, February, March and December (UV index 7).
The month with the lowest UV index is June (UV index 5).
Average cloud cover in September
Andalatanosy, Madagascar
- Average cloud cover in September: 18
The month with the most cloud cover is April (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Andalatanosy, 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).
