September weather forecastTrangahy, Madagascar
September
Weather in September
The first month of the spring, September, is still a warm month in Trangahy, Madagascar, with an average temperature ranging between min 23.4°C (74.1°F) and max 29.5°C (85.1°F).Temperature
Trangahy experiences an average high-temperature of a still warm 29.5°C (85.1°F) in September, subtly different from August's 28.3°C (82.9°F). In the month of September, Trangahy's average low-temperature falls to a still moderately hot 23.4°C (74.1°F).Heat index
The heat index value during September is calculated to be a hot 33°C (91.4°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.Note that heat index values are valued for light wind and location in the shade. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In September, the average relative humidity is 67%.Rainfall
In Trangahy, during September, the rain falls for 4.5 days and regularly aggregates up to 6mm (0.24") of precipitation. In Trangahy, during the entire year, the rain falls for 161.7 days and collects up to 952mm (37.48") of precipitation.Daylight
In September, the average length of the day in Trangahy is 11h and 59min.On the first day of the month, sunrise is at 06:09 and sunset at 17:54. On the last day of September, sunrise is at 05:43 and sunset at 17:59 EAT.
Sunshine
In September, the average sunshine in Trangahy is 9.1h.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 estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 7 during September leads to these instructions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Trangahy, Madagascar
- Average high temperature in September: 29.5°C
The warmest months (with the highest average high temperature) are November and December (31.4°C).
The month with the lowest average high temperature is July (27.8°C).
- Average low temperature in September: 23.4°C
The month with the highest average low temperature is December (26.3°C).
The coldest month (with the lowest average low temperature) is July (21.5°C).
Average pressure in September
Trangahy, Madagascar
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is July (1018.3mbar).
The month with the lowest atmospheric pressure is January (1009.2mbar).
Average wind speed in September
Trangahy, Madagascar
- Average wind speed in September: 13.6km/h
The windiest month (with the highest average wind speed) is October (14.2km/h).
The calmest month (with the lowest average wind speed) is March (10.9km/h).
Average humidity in September
Trangahy, Madagascar
- Average humidity in September: 67%
The months with the highest relative humidity are January, February and March (78%).
The month with the lowest relative humidity is July (64%).
Average rainfall in September
Trangahy, Madagascar
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is January (315mm).
The driest months (with the least rainfall) are July and August (4mm).
Average rainfall days in September
Trangahy, Madagascar
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is January (28.3 days).
The month with the least rainy days is July (3.7 days).
Average daylight in September /
Average sunshine in September
Trangahy, Madagascar
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 11h and 0min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is October (Average sunshine: 11h and 54min).
The month with the least sunshine is August (Average sunshine: 7h and 24min).
Average sunshine days in September
Trangahy, Madagascar
- Average sunshine days in September: 24.7 days
The month with the most sunshine days is July (26.9 days).
The month with the least sunshine days is January (1.5 days).
Average UV index in September
Trangahy, 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
Trangahy, Madagascar
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in September
Trangahy, 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).
