September weather forecastMorondava, Madagascar
September
Weather in September
The arrival of September means an increase in temperature, with the average high reaching up to 30.1°C (86.2°F). Another significant change is the slight upswing in rainfall to 4mm (0.16"), hinting at the upcoming rainy season. Despite this change, the weather remains generally warm and inviting, encouraging residents and visitors to make the most of the last month of the dry season. Compared to August, the September weather sees a rise in temperature while maintaining a relatively dry spell.Temperature
The onset of September in Morondava brings with it an average high-temperature of a hot 30.1°C (86.2°F), showing a negligible variation from the month before. The average nighttime temperature in Morondava, Madagascar, lowers to an agreeable 21.6°C (70.9°F) throughout September.Heat index
The heat index value for September is computed to be a tropical 33°C (91.4°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
In September, the average relative humidity is 61%.Rainfall
In Morondava, Madagascar, in September, during 0.7 rainfall days, 4mm (0.16") of precipitation is typically accumulated. In Morondava, during the entire year, the rain falls for 87.2 days and collects up to 370mm (14.57") of precipitation.Sea temperature
The months with the coldest seawater in Morondava are July through September, with an average sea temperature of 25°C (77°F).Note: Engaging in water activities, such as swimming or diving, in temperatures from 25°C (77°F) to 29°C (84.2°F) is very pleasurable for extended periods, without any discomfort.
Daylight
In Morondava, the average length of the day in September is 11h and 59min.On the first day of September, sunrise is at 06:10 and sunset at 17:54. On the last day of the month, sunrise is at 05:44 and sunset at 18:00 EAT.
Sunshine
In Morondava, the average sunshine in September is 9.8h.UV index
The months with the highest UV index in Morondava are January through April, August through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 7 in September translates into these instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Warning! The reflection of sand and water increases the UV dose.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Morondava, 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
Morondava, 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
Morondava, 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
Morondava, 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
Morondava, 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
Morondava, 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 sea temperature in September
Morondava, Madagascar
- Average sea temperature in September: 25°C
The best months for swimming (with the highest average sea temperature) are January, February, March and April (29°C).
The coldest months (with the lowest average sea temperature) are July, August and September (25°C).
Average daylight in September /
Average sunshine in September
Morondava, 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: 10h and 54min).
- 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
Morondava, 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
Morondava, 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
Morondava, 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
Morondava, 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).





