September weather forecastItondy, Madagascar

September

Weather in September

The first month of the spring, September, is still a warm month in Itondy, Madagascar, with an average temperature ranging between min 23.4°C (74.1°F) and max 29.5°C (85.1°F).

Temperature

Itondy marks the onset of September with an average high-temperature of a still moderately hot 29.5°C (85.1°F), a subtle shift from August's 28.3°C (82.9°F). In September, Itondy experiences an average nighttime temperature of 23.4°C (74.1°F).

Heat index

For September, the heat index is appraised at a tropical 33°C (91.4°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

In September, the average relative humidity is 67%.

Rainfall

In September, the rain falls for 4.5 days. Throughout September, 6mm (0.24") of precipitation is accumulated. Throughout the year, there are 161.7 rainfall days, and 952mm (37.48") of precipitation is accumulated.

Daylight

In Itondy, the average length of the day in September is 11h and 59min.
On the first day of September, sunrise is at 06:06 and sunset at 17:50. On the last day of the month, sunrise is at 05:40 and sunset at 17:56 EAT.

Sunshine

In September, the average sunshine is 9.1h.

UV index

January through May, August through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 7 during September translates into the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

An average high-temperature, in September, in Itondy, is 29.5°C (85.1°F) and the average low-temperature is 23.4°C (74.1°F). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 33°C (91.4°F).

In September, the average relative humidity is 67%.

In Itondy, during September, the rain falls for 4.5 days and regularly aggregates up to 6mm (0.24") of precipitation.

In Itondy, the average day length in September is 11h and 59min.

On the first day of September, sunrise is at 06:06 and sunset at 17:50. On the last day of the month, sunrise is at 05:40 and sunset at 17:56 EAT.

The average sunshine duration in September is 9.1h.

January through May, August through December, with an average maximum UV index of 7, are months with the highest UV index.

In September, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Itondy, 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
Itondy, 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
Itondy, 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
Itondy, 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
Itondy, 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
Itondy, 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
Itondy, 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
Itondy, 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
Itondy, 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
Itondy, 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
Itondy, 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).