September weather forecastInanantonana, Madagascar
September
Weather in September
The first month of the spring, September, is an agreeable month in Inanantonana, Madagascar, with an average temperature fluctuating between 8.9°C (48°F) and 20.5°C (68.9°F).Temperature
As August transitions into September, Inanantonana records an average high-temperature of a pleasant 20.5°C (68.9°F), showing a gentle shift from the preceding month. Nighttime temperature lowers to an average of 8.9°C (48°F) in September.Humidity
The average relative humidity in September is 72%.Rainfall
In Inanantonana, in September, it is raining for 7.3 days, with typically 9mm (0.35") of accumulated precipitation. Throughout the year, there are 221 rainfall days, and 1229mm (48.39") of precipitation is accumulated.Daylight
The average length of the day in September is 11h and 59min.On the first day of the month, sunrise is at 06:01 and sunset at 17:45. On the last day of September, sunrise is at 05:35 and sunset at 17:51 EAT.
Sunshine
In September, the average sunshine is 9.2h.UV index
The months with the highest UV index are February, March, September through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. To guard against the harmful effects of the Sun, minimize exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Inanantonana, Madagascar
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is November (22.7°C).
The month with the lowest average high temperature is July (15.8°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is December (14.3°C).
The coldest month (with the lowest average low temperature) is July (7°C).
Average pressure in September
Inanantonana, Madagascar
- Average pressure in September: 1020.4mbar
The month with the highest atmospheric pressure is July (1022mbar).
The month with the lowest atmospheric pressure is January (1012.7mbar).
Average wind speed in September
Inanantonana, Madagascar
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is September (9.5km/h).
The calmest month (with the lowest average wind speed) is December (7.1km/h).
Average humidity in September
Inanantonana, Madagascar
- Average humidity in September: 72%
The months with the highest relative humidity are January, February and March (89%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Inanantonana, Madagascar
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is January (295mm).
The driest month (with the least rainfall) is August (8mm).
Average rainfall days in September
Inanantonana, Madagascar
- Average rainfall days in September: 7.3 days
The month with the highest number of rainy days is January (30 days).
The month with the least rainy days is September (7.3 days).
Average daylight in September /
Average sunshine in September
Inanantonana, 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 12min
The month with the most sunshine is November (Average sunshine: 10h and 18min).
The months with the least sunshine are April and June (Average sunshine: 6h and 42min).
Average sunshine days in September
Inanantonana, Madagascar
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is January (0.5 days).
Average UV index in September
Inanantonana, Madagascar
- Average UV index in September: 5
The months with the highest UV index are February, March, September, October, November and December (UV index 5).
The months with the lowest UV index are January, April, May, June, July and August (UV index 4).
Average cloud cover in September
Inanantonana, Madagascar
- Average cloud cover in September: 30
The months with the most cloud cover are January, February and March (Cloud cover 65).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in September
Inanantonana, Madagascar
- Average visibility in September: 9km
The months with the highest visibility are September and October (9km).
The months with the lowest visibility are January, March, April and May (6km).
