September weather forecastAntalaha, Madagascar
September
Weather in September
September witnesses a turn around in Antalaha's weather with temperatures mildly rising to an average 25.3°C (77.5°F) high. There is a negligible increment in rainfall amounting to 32mm (1.26"), which extends the dry spell a bit more. The sea starts warming up, aligning itself with the changing land temperatures. The longer hours of sunshine revive the distinctly tropical vibe. In tandem, the wind speed dips, signalling a slow retreat of the cooler period.Temperature
The transition into September reveals an average high-temperature of a still moderately hot 25.3°C (77.5°F), mirroring a close resemblance to August. Nighttime temperature lowers to an average of 19.7°C (67.5°F) in September.Humidity
In September, the average relative humidity in Antalaha is 79%.Rainfall
In September, in Antalaha, Madagascar, the rain falls for 19.5 days. Throughout September, 32mm (1.26") of precipitation is accumulated. Throughout the year, there are 273.6 rainfall days, and 871mm (34.29") of precipitation is accumulated.Sea temperature
In Antalaha, in September, the average water temperature is 24.8°C (76.6°F).Note: When thinking about a swim in 24.8°C (76.6°F) waters, consider your cold tolerance, the day's sunshine, wind, and air temperature. It is a fun fact that Olympic swimmers dive into waters of 25°C (77°F) to 28°C (82.4°F).
Daylight
The average length of the day in September is 12h and 1min.On the first day of the month, sunrise is at 05:43 and sunset at 17:33. On the last day of September, in Antalaha, sunrise is at 05:21 and sunset at 17:35 EAT.
Sunshine
In Antalaha, the average sunshine in September is 7.7h.UV index
April through October, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Beware! Reflections from sand and water can intensify the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Antalaha, 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
Antalaha, 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
Antalaha, 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
Antalaha, 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
Antalaha, 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
Antalaha, 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
Antalaha, Madagascar
- Average sea temperature in September: 24.8°C
The best month for swimming (with the highest average sea temperature) is March (29°C).
The coldest month (with the lowest average sea temperature) is August (24.7°C).
Average daylight in September /
Average sunshine in September
Antalaha, Madagascar
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).
- 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
Antalaha, 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
Antalaha, 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
Antalaha, 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
Antalaha, 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).
