September weather forecast
Madagascar

September marks the beginning of the spring season in Madagascar and the start of a gradual increase in temperatures and rainfall. Despite the shifting weather, conditions for travel and wildlife viewing generally remain favourable throughout the month.

In the eastern and northeastern tropical regions, the average temperatures slightly increase, ranging from 17°C (62.6°F) to 22°C (71.6°F). Correspondingly, rainfall levels begin to rise, with the tropical rainforest and monsoon climate zones expecting to receive between 60mm (2.36") to 90mm (3.54") of rainfall.

The central subtropical region sees a slight increase in temperatures, with averages moving between 12°C (53.6°F) to 17°C (62.6°F). Rainfall starts to increase during September but remains at manageable levels for outdoor activities and exploration of the high plateaus.

The western warm steppe region maintains moderate temperatures, with averages from 22°C (71.6°F) to 27°C (80.6°F). Rainfall in this region continues to be minimal, with a slight increase signalling the end of the extremely dry winter season.

Comparing September to August, the temperatures in Madagascar start to warm up, and the rainfall begins to increase as the country transitions into the spring season. Moving into October, these trends continue, with further increases in temperatures and rainfall across the regions.

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• Antananarivo - September »
  The month with the most sunshine is September, with an average of 8.3h of sunshine. On the first day of September in Antananarivo, sunrise is at 05:57 and sunset at 17:42.
• Toamasina - September »
  The month with the least rainfall in Toamasina is September, when the rain falls for 15 days and typically collects 121mm (4.76") of precipitation. The month with the coldest seawater in Toamasina is September, with an average sea temperature of 24.5°C (76.1°F).
• Antsirabe - September »
  In Antsirabe in September, it is raining for 7.3 days, with typically 9mm (0.35") of accumulated precipitation. February, March, September through December, with an average maximum UV index of 5, are months with the highest UV index in Antsirabe.
• Fianarantsoa - September »
  In Fianarantsoa, in September, it is raining for 6.4 days, with typically 7mm (0.28") of accumulated precipitation. In Fianarantsoa, in September, it is raining for 6.4 days, with typically 7mm (0.28") of accumulated precipitation.
• Mahajanga - September »
  The months with the lowest humidity in Mahajanga are August and September, with an average relative humidity of 58%. The months with the lowest humidity in Mahajanga are August and September, with an average relative humidity of 58%.
• Toliara - September »
  July and September, with an average relative humidity of 62%, are the least humid months in Toliara, Madagascar. The months with the highest UV index in Toliara, Madagascar, are January through March, September through December, with an average maximum UV index of 7.
• Ambovombe - September »
  The months with the least rainfall in Ambovombe, Madagascar, are July and September Rain falls for 5.5 days and accumulates 8mm (0.31") of rain. September is the least humid month in Ambovombe, Madagascar, with an average relative humidity of 66%.
• Amparafaravola - September »
  In Amparafaravola, September carries a slight uptick in rainfall, amounting to 42mm (1.65") on average dispersed across 16.4 days. The month with the least rainfall is September, when the rain falls for 16.4 days and typically collects 42mm (1.65") of precipitation.
• Vavatenina - September »
  In Vavatenina, during September, the rain falls for 16.4 days and regularly aggregates up to 42mm (1.65") of precipitation. On the first day of September in Vavatenina, sunrise is at 05:50 and sunset at 17:36.
• Morondava - September »
  July through September, with an average sea temperature of 25°C (77°F), are months with the coldest seawater in Morondava. July through September, with an average sea temperature of 25°C (77°F), are months with the coldest seawater in Morondava.
• Ambanja - September »
  The months with the lowest UV index in Ambanja are January, June through September, with an average maximum UV index of 6. Ambanja's September weather reveals the city moving gradually towards the hot and wet season, despite minimal changes in the rainfall, which stands at just 22mm (0.87").