September weather forecastMananara Avaratra, Madagascar
September
Weather in September
September is characterized by the return of warm days and slightly cooler nights in Mananara Avaratra. It is the driest month with the least average rainfall, marking the end of the drier spell. The number of sunshine days significantly increases, signifying the start of the sunnier part of the year. Humidity and cloud cover decrease, offering clear skies. The sea temperatures gradually rise, indicating the onset of suitable conditions for water-based activities.Temperature
Mananara Avaratra marks the onset of September with an average high-temperature of a still warm 25.3°C (77.5°F), a subtle shift from August's 24.8°C (76.6°F). During the nights in September, Mananara Avaratra experiences a consistent average temperature of 19.7°C (67.5°F).Humidity
In September, the average relative humidity is 79%.Rainfall
In Mananara Avaratra, during September, the rain falls for 19.5 days and regularly aggregates up to 32mm (1.26") of precipitation. In Mananara Avaratra, during the entire year, the rain falls for 273.6 days and collects up to 871mm (34.29") of precipitation.Sea temperature
August and September, with an average sea temperature of 24.7°C (76.5°F), are months with the coldest seawater in Mananara Avaratra.Note: Factoring in a person's dislike for cold, combined with conditions like sunshine, wind, and temperature, a dip in 24.7°C (76.5°F) waters might be satisfying. (It is worth noting that the Olympic swimming waters are maintained between 25°C (77°F) and 28°C (82.4°F).)
Daylight
The average length of the day in September is 12h and 1min.On the first day of September in Mananara Avaratra, sunrise is at 05:46 and sunset at 17:35. On the last day of the month, sunrise is at 05:23 and sunset at 17:37 EAT.
Sunshine
In September, the average sunshine in Mananara Avaratra is 7.7h.UV index
The months with the lowest UV index are April through October, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 6 during September translates into the following guidance:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Warning! Sand and water reflections boost the intensity of UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mananara Avaratra, Madagascar
- Average high temperature in September: 25.3°C
The warmest months (with the highest average high temperature) are February and December (29.8°C).
The month with the lowest average high temperature is July (24.7°C).
- Average low temperature in September: 19.7°C
The month with the highest average low temperature is January (23.6°C).
The coldest month (with the lowest average low temperature) is August (19.3°C).
Average pressure in September
Mananara Avaratra, Madagascar
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is August (1018.9mbar).
The month with the lowest atmospheric pressure is February (1010.9mbar).
Average wind speed in September
Mananara Avaratra, Madagascar
- Average wind speed in September: 15.7km/h
The windiest month (with the highest average wind speed) is July (17.6km/h).
The calmest months (with the lowest average wind speed) are January and February (9.6km/h).
Average humidity in September
Mananara Avaratra, Madagascar
- Average humidity in September: 79%
The months with the highest relative humidity are February and March (82%).
The months with the lowest relative humidity are November and December (78%).
Average rainfall in September
Mananara Avaratra, Madagascar
- Average rainfall in September: 32mm
The wettest months (with the highest rainfall) are January and March (132mm).
The driest month (with the least rainfall) is October (29mm).
Average rainfall days in September
Mananara Avaratra, Madagascar
- Average rainfall days in September: 19.5 days
The month with the highest number of rainy days is January (27.4 days).
The month with the least rainy days is November (16.7 days).
Average sea temperature in September
Mananara Avaratra, Madagascar
- Average sea temperature in September: 24.7°C
The best month for swimming (with the highest average sea temperature) is February (29°C).
The coldest months (with the lowest average sea temperature) are August and September (24.7°C).
Average daylight in September /
Average sunshine in September
Mananara Avaratra, Madagascar
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is February (Average sunshine: 10h and 36min).
The month with the least sunshine is July (Average sunshine: 5h and 42min).
Average sunshine days in September
Mananara Avaratra, Madagascar
- Average sunshine days in September: 4.3 days
The month with the most sunshine days is November (7.9 days).
The months with the least sunshine days are April and June (2.3 days).
Average UV index in September
Mananara Avaratra, Madagascar
- Average UV index in September: 6
The months with the highest UV index are January, February, March, November and December (UV index 7).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 6).
Average cloud cover in September
Mananara Avaratra, Madagascar
- Average cloud cover in September: 42
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is December (Cloud cover 36).
Average visibility in September
Mananara Avaratra, 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).





