September weather forecastToamasina, Madagascar
September weather for Toamasina, Madagascar: The month with the least rainfall in Toamasina, Madagascar, is September, when the rain falls for 15 days and typically collects 121mm (4.76") of precipitation. September is the month with the coldest seawater in Toamasina, Madagascar, with an average sea temperature of 24.5°C (76.1°F).
September
Weather in September
September presents itself with a clear indication of oncoming spring in Toamasina, Madagascar. The rainfall counter significantly decreases, making September the driest month of the year with 121mm (4.76"). Longer and brighter days are becoming the norm as the winter fades away. Despite the reduced rainfall, humidity remains high, signaling the tropical climate of the region. Along with the lifted spirits, the sea temperature starts to warm up again, reaching 24.5°C (76.1°F).Temperature
September in Toamasina experiences an average high-temperature of a still moderately hot 25.8°C (78.4°F), barely different from August's 24.9°C (76.8°F). Nighttime temperature dips to a mean of 17.3°C (63.1°F) during September.Humidity
The average relative humidity in September in Toamasina is 83%.Rainfall
September is the month with the least rainfall in Toamasina. Rain falls for 15 days and accumulates 121mm (4.76") of precipitation.Sea temperature
With an average sea temperature of 24.5°C (76.1°F), September is the month with the coldest seawater.Note: For those not fond of cold temperatures, taking a swim at 24.5°C (76.1°F) may require consideration of the sunshine, wind, and ambient temperature. While wetsuits are not mandatory, they can enhance the experience.
Daylight
In Toamasina, the average length of the day in September is 12h and 0min.On the first day of September in Toamasina, sunrise is at 05:49 and sunset at 17:35. On the last day of the month, sunrise is at 05:24 and sunset at 17:39 EAT.
Sunshine
In September, the average sunshine in Toamasina is 7h.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Toamasina, Madagascar
- Average high temperature in September: 25.8°C
The warmest month (with the highest average high temperature) is February (30.3°C).
The month with the lowest average high temperature is July (24.8°C).
- Average low temperature in September: 17.3°C
The month with the highest average low temperature is February (22.7°C).
The coldest month (with the lowest average low temperature) is August (17°C).
Average humidity in September
Toamasina, Madagascar
- Average humidity in September: 83%
The months with the highest relative humidity are March, May, June and August (85%).
The month with the lowest relative humidity is October (82%).
Average rainfall in September
Toamasina, Madagascar
- Average rainfall in September: 121.1mm
The wettest month (with the highest rainfall) is March (478.4mm).
The driest month (with the least rainfall) is September (121.1mm).
Average rainfall days in September
Toamasina, Madagascar
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is July (22 days).
The month with the least rainy days is October (13 days).
Average sea temperature in September
Toamasina, Madagascar
- Average sea temperature in September: 24.5°C
The best month for swimming (with the highest average sea temperature) is February (29°C).
The coldest month (with the lowest average sea temperature) is September (24.5°C).
Average daylight in September /
Average sunshine in September
Toamasina, Madagascar
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is November (Average sunshine: 7h and 54min).
The month with the least sunshine is July (Average sunshine: 5h and 18min).





