September weather forecastBasibasy, Madagascar

September

Weather in September

September, the first month of the spring in Basibasy, is a tropical month, with an average temperature fluctuating between 21.6°C (70.9°F) and 30.1°C (86.2°F).

Temperature

Transitioning into September, Basibasy records an average high-temperature of a tropical 30.1°C (86.2°F), almost identical to August's 28.3°C (82.9°F). Basibasy, in September, observes a steady average low-temperature of 21.6°C (70.9°F).

Heat index

The average heat index in September is computed to be a tropical 33°C (91.4°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

In September, the average relative humidity is 61%.

Rainfall

In Basibasy, in September, during 0.7 rainfall days, 4mm (0.16") of precipitation is typically accumulated. In Basibasy, during the entire year, the rain falls for 87.2 days and collects up to 370mm (14.57") of precipitation.

Daylight

In September, the average length of the day is 11h and 58min.
On the first day of the month, sunrise is at 06:14 and sunset at 17:55. On the last day of September, in Basibasy, sunrise is at 05:46 and sunset at 18:03 EAT.

Sunshine

The average sunshine in September is 9.8h.

UV index

The months with the highest UV index are January through April, August through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the UV index of 7 transforms into the following advice:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Updated: Aug 12, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in September, in Basibasy, is 30.1°C (86.2°F), while the average low-temperature is 21.6°C (70.9°F). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in September is computed to be 33°C (91.4°F).

The average relative humidity in September in Basibasy is 61%.

In Basibasy, during September, the rain falls for 0.7 days and regularly aggregates up to 4mm (0.16") of precipitation.

In Basibasy, the average day length in September is 11h and 58min.

On the first day of September, sunrise is at 06:14 and sunset at 17:55. On the last day of the month, sunrise is at 05:46 and sunset at 18:03 EAT.

In Basibasy, the average sunshine duration in September is 9.8h.

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

In Basibasy, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

28.3°C

30.1°C

30.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

17.5km/h

18.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

30.2

26.8

Average UV index

Average cloud cover

11%

Average visibility

10km

Average temperature in September
Basibasy, Madagascar

Average high temperature in September: 30.1°C

The warmest month (with the highest average high temperature) is December (32.3°C).
The month with the lowest average high temperature is July (27.3°C).

Average low temperature in September: 21.6°C

The month with the highest average low temperature is January (26.3°C).
The coldest month (with the lowest average low temperature) is July (19.7°C).

Average pressure in September
Basibasy, Madagascar

Average pressure in September: 1016.8mbar

The month with the highest atmospheric pressure is July (1019.4mbar).
The month with the lowest atmospheric pressure is January (1008.8mbar).

Average wind speed in September
Basibasy, Madagascar

Average wind speed in September: 16.8km/h

The windiest month (with the highest average wind speed) is November (17.2km/h).
The calmest month (with the lowest average wind speed) is March (13.3km/h).

Average humidity in September
Basibasy, Madagascar

Average humidity in September: 61%

The months with the highest relative humidity are January and February (72%).
The month with the lowest relative humidity is July (58%).

Average rainfall in September
Basibasy, Madagascar

Average rainfall in September: 4mm

The wettest month (with the highest rainfall) is January (152mm).
The driest month (with the least rainfall) is July (0mm).

Average rainfall days in September
Basibasy, Madagascar

Average rainfall days in September: 0.7 days

The month with the highest number of rainy days is January (23.2 days).
The months with the least rainy days are August and September (0.7 days).

Average daylight in September /
Average sunshine in September
Basibasy, Madagascar

Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).

Average sunshine in September: 9h and 48min

The month with the most sunshine is November (Average sunshine: 12h and 6min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).

Average sunshine days in September
Basibasy, Madagascar

Average sunshine days in September: 29 days

The month with the most sunshine days is August (30.2 days).
The month with the least sunshine days is January (6 days).

Average UV index in September
Basibasy, Madagascar

Average UV index in September: 7

The months with the highest UV index are January, February, March, April, August, September, October, November and December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 6).

Average cloud cover in September
Basibasy, Madagascar

Average cloud cover in September: 6

The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are July, August and September (Cloud cover 6).

Average visibility in September
Basibasy, 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).